hit counter script
Dell OptiPlex 7760 All-in-One Service Manual
  1. Manuals
  2. Brands
  3. Dell Manuals
  4. Desktop
  5. OptiPlex 7760
  6. Service manual
Dell OptiPlex 7760 All-in-One Service Manual

Dell OptiPlex 7760 All-in-One Service Manual

Hide thumbs Also See for OptiPlex 7760 All-in-One:
Table of Contents

Advertisement

Quick Links

Download this manual
Dell OptiPlex 7760 All-in-One
Service Manual
Regulatory Model: W17C
Regulatory Type: W17C001

Advertisement

Table of Contents
loading

Related Manuals for Dell OptiPlex 7760 All-in-One

Summary of Contents for Dell OptiPlex 7760 All-in-One

  • Page 1 Dell OptiPlex 7760 All-in-One Service Manual Regulatory Model: W17C Regulatory Type: W17C001...
  • Page 2 A WARNING indicates a potential for property damage, personal injury, or death. © 2017 2018 Dell Inc. or its subsidiaries. All rights reserved. Dell, EMC, and other trademarks are trademarks of Dell Inc. or its subsidiaries. Other trademarks may be trademarks of their respective owners.

  • Page 3: Table Of Contents

    Contents 1 Working on your computer..........................6 Safety instructions................................6 Turning off your computer — Windows 10........................6 Before working inside your computer..........................7 After working inside your computer..........................7 2 Technology and components..........................8 DDR4....................................8 Key Specifications................................ 8 DDR4 Details.................................9 USB features..................................10 USB 3.0/USB 3.1 Gen 1 (SuperSpeed USB)......................10 Speed...................................
  • Page 4 Installing the system board shield..........................30 Intel Optane..................................31 Removing the Intel Optane card..........................31 Installing the Intel Optane card..........................32 Solid State Drive -SSD..............................33 Removing the SSD card............................33 Installing the SSD card.............................. 34 WLAN card..................................35 Removing the WLAN card............................35 Installing the WLAN card............................37 System fan..................................39 Removing the system fan............................
  • Page 5 Installing the middle frame............................92 4 Troubleshooting your computer........................95 Enhanced Pre-Boot System Assessment — ePSA diagnostics................95 Running the ePSA Diagnostics..........................95 Diagnostics..................................95 LCD built in self test - BIST............................96 Invoking BIST................................97 5 Getting help..............................98 Contacting Dell.................................98 Contents...

  • Page 6: Working On Your Computer

    Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.

  • Page 7: Before Working Inside Your Computer

    CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.

  • Page 8: Technology And Components

    Technology and components This chapter details the technology and components available in the system. Topics: • DDR4 • USB features • HDMI DDR4 DDR4 (double data rate fourth generation) memory is a higher-speed successor to the DDR2 and DDR3 technologies and allows up to 512 GB in capacity, compared to the DDR3's maximum capacity of 128 GB per DIMM.

  • Page 9: Ddr4 Details

    Feature/Option DDR3 DDR4 DDR 4 Advantages DQ Bus SSTL15 POD12 Less I/O Noise and Power RTT Values (in &Omega) 120,60,40,30,20 240,120,80,60,48,40,34 Support for higher data rates RTT not allowed READ Bursts Disables during READ Bursts Ease of use ODT Modes Nominal, Dynamic Nominal, Dynamic,Park Add’l Control Mode;...

  • Page 10: Usb Features

    DDR4 modules feature a curved edge to help with insertion and alleviate stress on the PCB during memory installation. Figure 3. Curved edge USB features Universal Serial Bus, or USB, was introduced in 1996. It dramatically simplified the connection between host computers and peripheral devices like mice, keyboards, external drivers, and printers.

  • Page 11: Applications

    commonly known as USB 2.0 and 1.1 respectively, the slower modes still operate at 480Mbps and 12Mbps respectively and are kept to maintain backward compatibility. USB 3.0/USB 3.1 Gen 1 achieves the much higher performance by the technical changes below: •...

  • Page 12: Compatibility

    Compatibility The good news is that USB 3.0/USB 3.1 Gen 1 has been carefully planned from the start to peacefully co-exist with USB 2.0. First of all, while USB 3.0/USB 3.1 Gen 1 specifies new physical connections and thus new cables to take advantage of the higher speed capability of the new protocol, the connector itself remains the same rectangular shape with the four USB 2.0 contacts in the exact same location as before.
  • Page 13 • HDMI supports communication between the video source (such as a DVD player) and the DTV, enabling new functionality Technology and components...

  • Page 14: Removing And Installing Components

    Removing and Installing components Topics: • Recommended tools • Screw size list • System board layout • Rubber feet • Cable cover - optional • Stand • Back cover • Hard drive • Memory module • System board shield • Intel Optane •...

  • Page 15: Screw Size List

    • Plastic scribe NOTE: The #0 screw driver is for screws 0-1 and the #1 screw driver is for screws 2-4 Screw size list Table 3. OptiPlex 7760 All-in-One Component Screw type Quantity Screw image System board shield M3x5 WLAN card shield M2x2.5...

  • Page 16: System Board Layout

    Screw type Quantity Screw image Headset port M3x5 Antennas (2 modules) M2x2.5 System board M3x5 PSU cable M3x5 Display panel M3x5 Middle frame M3x5 M3x5 PSU fan M3x5 Cable cover M3x9 System board layout OptiPlex 7760 All-in-One Removing and Installing components...
  • Page 17 PSU power connector Processor Memory slots Back light connector Webcam connector M.2 PCIe/SATA slot System fan connector LPC_Debug Service mode jumper/Password clear jumper/CMOS clear SATA HDD connector jumper SPI header SIO_signal connector SIO_power connector UAJ connector INT_SPK connector DMIC connector Coin cell battery Power board button connector LVDS connector...

  • Page 18: Rubber Feet

    Rubber feet Removing the rubber feet Follow the procedure in Before working inside your computer. Pry the rubber feet at the bottom edge from the display assembly base and pull it out. Installing the rubber feet Align the rubber feet with the slots on the display assembly base and push it firmly in place. Removing and Installing components...

  • Page 19: Cable Cover - Optional

    Follow the procedure in After working inside your computer Cable cover - optional Removing the cable cover Follow the procedure in Before working inside your computer. Remove the single (M3x5) screw that secures the cable cover to the base cover [1]. Lift the cable cover off the base cover [2].

  • Page 20: Installing The Cable Cover

    Installing the cable cover Place the cable cover on the base cover [1]. Replace the single screw the secures the cable cover to the base cover [2]. Removing and Installing components...

  • Page 21: Stand

    Follow the procedure in After working inside your computer Stand Removing the stand The following procedure applies only to systems that are shipped with a Height adjustable stand (HAS) stand : Follow the procedure in Before working inside your computer. To avoid damaging the display, place the system on a flat, soft, and clean surface .

  • Page 22: Installing The Stand

    Installing the stand The following procedure applies only to systems that are shipped with a Height adjustable stand (HAS) stand : To install the stand : Align the tabs on the stand [1]. b Snap the stand into place on the back cover [2]. Removing and Installing components...

  • Page 23: Back Cover

    Follow the procedure in After working inside your computer Back cover Removing the back cover Follow the procedure in Before working inside your computer. Remove the Stand. Press and hold the tab on the back cover to release it from the latch on the system-board shield and slide the back cover in the direction shown to release it from the middle frame [1].

  • Page 24: Installing The Back Cover

    Installing the back cover Place the back cover on the system. Press and hold the tab [1], and align the notches on the back cover with the slots on the middle frame. Slide the back cover in the direction shown to lock the back cover tab under the latch on the system-board shield [2]. Removing and Installing components...

  • Page 25: Hard Drive

    Install the Stand. Follow the procedure in After working inside your computer. Hard drive Removing the hard drive assembly Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover To remove the hard drive assembly: Press down the tab securing the hard drive assembly to the system board shield [1].

  • Page 26: Installing The Hard Drive Assembly

    To remove the hard drive bracket: Pry the tabs on hard drive bracket from its slots on the hard drive [1]. b Slide the hard drive, and lift it away from the bracket [2]. Installing the hard drive assembly To install the hard drive bracket: Align the tabs on the hard drive bracket with the slots on the hard drive [1].

  • Page 27: Memory Module

    To install the hard drive assembly: Place the hard drive assembly into the slot [1]. b Slide it to lock the blue tab on the hard drive assembly to the metal tab on the display assembly base [2]. Install the following components: Back cover Stand Follow the procedure in...

  • Page 28: Removing The Memory Module

    Removing the memory module Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover To locate the memory module on the system board, pry open the DIMM door on the system board shield [1]. Pry the retention clips at each end of the memory module slot until the memory module pops up [2].

  • Page 29: System Board Shield

    Align the tabs on the DIMM door with the slots on the system board shield and snap it into place. Install the following components: Back cover Stand Follow the procedure in After working inside your computer. System board shield Removing the system board shield Follow the procedure in Before working inside your computer.

  • Page 30: Installing The System Board Shield

    Installing the system board shield Place the system board shield on system board. Align the slots on the system board shield with the slots on the display assembly base [1]. Replace the five screws (M3x5) that secure the system-board shield to the display assembly base [2]. Removing and Installing components...

  • Page 31: Intel Optane

    Install the following components: Back cover Stand Follow the procedure in After working inside your computer. Intel Optane Removing the Intel Optane card Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield Remove the screw (M2) that secures the Intel Optane card to the system board [1].

  • Page 32: Installing The Intel Optane Card

    Installing the Intel Optane card Replace the thermal pad on the rectangular outline marked on the system board [1]. Insert the Intel Optane card into the card slot on the system board [2]. Replace the screw (M2) that secures the Intel Optane card to the system board [3]. Removing and Installing components...

  • Page 33: Solid State Drive -Ssd

    Install the following components: System board shield Back cover Stand Follow the procedure in After working inside your computer. Solid State Drive -SSD Removing the SSD card Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield...

  • Page 34: Installing The Ssd Card

    Installing the SSD card Replace the thermal pad on the rectangular outline marked on the system board [1]. NOTE: M.2 PCIe SSD with capacity over 512G(512G/1TB/2TB) must be installed with a thermal pad. M.2 SATA SSD and M. 2 PCIe SSD with 128G and 256G does not require a thermal pad. Insert the SSD card into the card slot on the system board [2].

  • Page 35: Wlan Card

    Install the following components: System board shield Back cover Stand Follow the procedure in After working inside your computer. WLAN card Removing the WLAN card Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield To remove the WLAN card shield: Unroute the antenna cable from the routing channel [1].
  • Page 36 To remove the WLAN card: Remove the screw (M2) that secures the WLAN card bracket and the WLAN to the system board [1]. b Slide and lift the WLANs card bracket off the WLAN card [2]. Disconnect the antenna cables from the WLAN card [3]. d Slide and remove the WLAN card out of the WLAN card slot [4].

  • Page 37: Installing The Wlan Card

    Installing the WLAN card To install the WLAN card: Align and replace the WLAN card into the WLAN card slot [1]. b Connect the antenna cables to the WLAN card [2]. Replace the WLAN card bracket on the WLAN card [3]. d Replace the screw (M2) that secures the WLAN card bracket and the WLAN to the system board [4].
  • Page 38 To install the WLAN card shield: Align the screw slot on the WLAN card shield with the screw slot on the system board and place the WLAN card shield on the system board [1]. b Replace the two screws (M2) that secure the WLAN card shield to the system board [2] Reroute the antenna cable through to the routing channel [3].

  • Page 39: System Fan

    Install the following components: system board shield Back cover Stand Follow the procedure in After working inside your computer. System fan Removing the system fan Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield Disconnect the system fan cable from the socket on the system board [1].

  • Page 40: Installing The System Fan

    Installing the system fan Align the screw slots on the system fan with the screw slots on the display assembly base [1]. Replace the three screws (M3) that secure the system fan to the display assembly base [2]. Connect the system fan cable to the socket on the system board [3]. Removing and Installing components...

  • Page 41: Pop-Up Camera

    Install the following components: System board shield Back cover Stand Follow the procedure in After working inside your computer. Pop-Up Camera Removing the pop-up camera Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield To remove the camera assembly: Remove the two screws (M3) that secure the camera assembly cover to the middle frame [1].
  • Page 42 To remove the camera bezel: Press the top of the pop-up camera assembly to extend the pop-up camera [1]. b Remove the three screws (M3) that secure the bezel to the pop-up camera assembly [2]. To remove the pop-up camera module: Lift the pop-up camera bezel off the pop-up camera assembly [1].

  • Page 43: Installing The Pop-Up Camera

    Installing the pop-up camera Follow the procedure in After working inside your computer. To replace the camera module: Replace the camera module along with the camera cable in the slot on the pop-up camera assembly [1]. b Align the screw slots on the pop-up camera bezel with the screw slots on the pop-up camera assembly [2]. To replace the camera bezel: Replace the three screws (M3) that secure the pop-up camera bezel to the pop-up camera assembly [1].
  • Page 44 To replace the camera assembly: Align and place the pop-up camera assembly on the display panel base and route the camera cable through to the routing channel [1]. b Replace the two screws (M3) that secure the pop-up camera assembly to the middle frame [2]. Connect the camera cable to the system board [3].

  • Page 45: Coin Cell Battery

    Coin cell battery Removing the coin cell battery Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield Press the tab on the coin cell battery socket until the coin cell battery pops up [1]. Lift the coin cell battery out of the coin cell battery socket [2].

  • Page 46: Heat Sink

    System board shield Back cover Stand Follow the procedure in After working inside your computer. Heat sink The following topics lists heat sink removing and installing steps for unified memory architecture (UMA) and discrete graphics processing unit (dGPU). Removing the heat sink - UMA NOTE: Perform the following steps to remove heat sink for unified memory architecture (UMA)graphics.
  • Page 47 Removing the heat sink - dGPU NOTE: Perform the following steps to remove heat sink for discrete graphics processing unit (dGPU). Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield In the reverse order (as indicated on the heat sink), loosen the nine captive screws that secure the heat sink to the system board and display assembly base [1].

  • Page 48: Installing The Heat Sink - Uma

    Installing the heat sink - UMA NOTE: Perform the following steps to install heat sink for unified memory architecture (UMA)graphics. Align the captive screws on the heat sink with the screw slots on the system board and the display assembly base [1]. In the sequential order (as indicated on the heat sink), tighten the captive screws that secure the heat sink to the system board and display assembly base [2].
  • Page 49 Install the following components: System board shield Back cover Stand Follow the procedure in After working inside your computer. Installing the heat sink - dGPU NOTE: Perform the following steps to install heat sink for discrete graphics processing unit (dGPU). Align the captive screws on the heat sink with the screw slots on the system board and the display assembly base [1].

  • Page 50: Processor

    Install the following components: System board shield Back cover Stand Follow the procedure in After working inside your computer. Processor Removing the processor Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield Heat sink Release the socket lever by pushing the lever down and out from under the tab on the processor shield [1].

  • Page 51: Installing The Processor

    Installing the processor Ensure that the release lever on the processor socket is fully extended in the open position. Align the notches on the processor with the tabs on the processor socket and place the processor in the processor socket [1]. NOTE: If the processor is replaced, use the thermal grease provided in the kit to ensure that thermal conductivity is achieved.

  • Page 52: Base Cover

    Heat sink System board shield Back cover Stand Follow the procedure in After working inside your computer. Base cover Removing the base cover Follow the procedure in Before working inside your computer. Remove the following components: Stand Cable cover (optional) Back cover System board shield Remove the four screws (M3) that secure the base cover to the display assembly base.
  • Page 53 Pry and lift the base cover off the middle frame. Removing and Installing components...

  • Page 54: Installing The Base Cover

    Installing the base cover Align and place the tabs on the base cover with the slots on the middle frame [1]. Press the base cover down until it snaps into place on the middle frame [2]. Replace the four screws (M3) that secure the base cover to the display assembly base. Removing and Installing components...

  • Page 55: Power Supply Unit - Psu

    Install the following components: System board shield Back cover Cable cover Stand Follow the procedure in After working inside your computer. Power supply unit - PSU Removing the power supply unit -PSU Follow the procedure in Before working inside your computer.
  • Page 56 To remove the PSU: Remove the single (M3x5) screw that secures the PSU to the display assembly base [1]. b Slide the PSU, and lift it away from the chassis [2]. Removing and Installing components...

  • Page 57: Installing The Power Supply Unit -Psu

    Installing the power supply unit -PSU To install the PSU: Align and slide the PSU, in to the slot on the display assembly base [1]. b Replace the single screw (M3x5) that secures the PSU to the chassis [2]. Removing and Installing components...
  • Page 58 To install the PSU cable: Connect the power supply cable to the socket on the system board [1]. b Route back the power supply cables through the retention clips in the I/O bracket [2]. Slide and replace the power supply socket on the chassis [3]. d Replace the single (M3x5) screw securing the power supply socket to the I/O bracket [4].

  • Page 59: Power Supply Unit Fan - Psu Fan

    Install the following components: Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Power supply unit fan - PSU fan Removing the power supply unit fan -PSU fan Follow the procedure in Before working inside your computer.

  • Page 60: Installing The Power Supply Unit -Psu Fan

    Installing the power supply unit -PSU fan To install the PSU fan: Align and place the PSU fan on the chassis [1]. b Replace the two (M3x5) screws that secure the PSU fan to the display assembly base [2]. Connect the PSU fan cable to the socket on the system board [3]. d Route the power supply cables to the retention clips on the PSU fan.

  • Page 61: Input And Output Bracket

    Install the following components: Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Input and Output bracket Removing the Input and Output bracket Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover...
  • Page 62 Remove the three (M3x5) screws that secure the I/O bracket to the display assembly base. Lift the I/O bracket off the display assembly base. Removing and Installing components...

  • Page 63: Installing The Input And Output Bracket

    Installing the Input and Output bracket Align the slots on the Input and Output bracket (I/O) bracket with the ports on the system board. Replace the three screws (M3x5) that secure the I/O bracket to the display assembly base. To install the PSU cable: Route back the power supply cables through the retention clips in the chassis [1].

  • Page 64: System Board

    Install the following components: Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. System board Removing the system board Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield...
  • Page 65 Disconnect the following cables from the system board: • Power supply unit cable [1] • Backlight cable [2] • Camera cable [3] • System fan cable [4] • PSU fan cable [5] • Touch cable [6] • SIO_signal,SIO power,INT_ speaker, and DMIC cables [1] •...
  • Page 66 Remove the nine screws (M3x5) that secure the system board to the display assembly base [1]. Lift the system board off the display assembly base [2]. Removing and Installing components...

  • Page 67: Installing The System Board

    Installing the system board Align the screw slots on the system board with the screw slots on the display assembly base [1]. Replace the nine screws (M3x5) that secure the system board to the display assembly base [2]. Removing and Installing components...
  • Page 68 Disconnect the following cables to the system board: • Power supply unit cable [1] • Backlight cable [2] • Camera cable [3] • System fan cable [4] • PSU fan cable [5] • Touch cable [6] Removing and Installing components...
  • Page 69 • SIO_signal,SIO power,INT_ speaker, and DMIC cables [1] • Power button board cable [2] • LVDS cable [3] Removing and Installing components...

  • Page 70: Speakers

    Install the following components: WLAN card Hard drive Intel Optane Processor Heat sink Memory I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer Speakers Removing the speakers Follow the procedure in Before working inside your computer.

  • Page 71: Installing The Speakers

    Base cover I/O bracket To disconnect the speakers: Disconnect the speaker cable from the system board [1]. b Remove the nine screws (M3) that secure the speakers to the display-assembly base [2]. Unroute the speaker cable from the routing guide on the display assembly base. d Lift the speakers and the speaker cable off the display assembly base [3].

  • Page 72: Power Button Board

    Install the following components: I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Power button board Removing the power button board Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover...

  • Page 73: Installing The Power Button Board

    Installing the power button board To install the speakers: Using the alignment post, place the power button board into its slot on the middle frame [1]. b Replace the single screw (M3x5) that secures the power button board to the middle frame [2]. Slide the power button board cable under the antenna cable, then adhere the power button board cable to the display assembly base [3].

  • Page 74: Microphones

    Install the following components: Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Microphones Removing the microphones Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield...

  • Page 75: Installing The Microphones

    Remove the four screws (M2x2.5) that secure the microphone modules (4) to the middle frame [3]. d Lift the microphone modules off the slots on the middle frame [5]. Installing the microphones To install the microphone and cable: Align and place the microphone modules (4) to the slots on the middle frame. NOTE: Match the numbers on the microphone modules to the numbers on the middle frame while placing the microphone modules on the middle frame.

  • Page 76: Input And Output Board

    Install the following components: Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Input and Output board Removing the Input and Output board Follow the procedure in Before working inside your computer.
  • Page 77 NOTE: Use the pull tab to disconnect the I/O board cable from the system board. b Remove the I/O board cable, I/O-board power cable, and headset port cable from the routing guides on the display assembly base [2]. Remove the two screws (M3x5) securing the I/O board shield to the display assembly base [3]. d Lift the I/O board shield from the display assembly base [4].

  • Page 78: Installing The Input And Output Board

    Installing the input and output board To replace the I/O board: Place and align and place the Input and Output board (I/O) board onto the display assembly base [1]. b Replace the two screws (M3x5) that secure the I/O board to the display assembly base [2]. Route the headset port cable through the routing guide on the I/O board [3].
  • Page 79 To replace the I/O board shield: Place and align the screw slots on the I/O board shield to the slots on the display assembly base [1]. b Replace the two screws (M3x5) that secure the I/O board shield to the display assembly base [2]. Route the headset port cable, I/O board cable, and I/O board power cable through the routing guides on the display assembly base [3].

  • Page 80: Headset Port

    Install the following components: Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Headset port Removing the headset port Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield...

  • Page 81: Installing The Headset Port

    Lift the headset port with its cable from the display assembly base [2]. Installing the headset port Slide the headset port into its slot on the middle frame and align the screw slot on the headset port to the screw slot on the display assembly base [1].

  • Page 82: Antennas

    Install the following components: I/O board Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Antennas Removing the antennas Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield...

  • Page 83: Installing The Antennas

    PSU fan To remove the antenna: Remove the antenna cables from the routing guides on the display assembly base [1]. b Remove the two screws (M2x2.5) that secure the antenna modules (2) to the middle frame [2]. Carefully peel the tape that secures the antenna cables (2) to the middle frame [3]. d Release the antenna modules (2) from the tabs and lift the antenna modules off the middle frame.

  • Page 84: Display Panel

    Install the following components: PSU fan I/O board WLAN card Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Display panel Removing the display panel Follow the procedure in Before working inside your computer.
  • Page 85 Hard drive WLAN card System board PSU fan Camera Remove the display backlight cable from the routing guides on the display assembly base [1]. Remove the 12 screws (M3x5) that secure the middle frame and display assembly base to the display panel [2]. Place the system in upright position, holding the display panel and display assembly base, carefully release the display panel from middle frame and display assembly base [1].

  • Page 86: Installing The Display Panel

    Installing the display panel Place the display assembly base in its upright position, and slide the display panel into the slot between the middle frame and the display assembly base [1]. Push the display backlight cable through the slots on the display assembly base [2]. Push the display panel towards the display assembly base, closing the gap between the display panel and the middle frame [3].
  • Page 87 Place the display assembly base on a clean and flat surface with the display panel facing down. Replace the 12 (M3x5) screws that secure the display panel to the middle frame and display assembly base [2]. Route the display backlit cable through the routing guides on the display assembly base [1] . Removing and Installing components...

  • Page 88: Display Cable

    Install the following components: Camera PSU fan System board WLAN card Hard drive Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer. Display cable Removing the display cable Follow the procedure in Before working inside your computer.

  • Page 89: Installing The Display Cable

    Back cover System board shield Base cover I/O bracket Speakers System fan Hard drive WLAN card System board PSU fan Camera I/O board Headset port Antennas Microphones Power button board Display panel To remove the display cable: Fold the cable inward [1] b To release the cable, press the tabs on both sides.

  • Page 90: Middle Frame

    Connect the display cable to the display assembly base. Install the following components: Display panel power button board Microphones Antennas Headset port I/O board Camera PSU fan System board WLAN card Hard drive System fan Speakers I/O bracket Base cover System board shield Back cover Stand...

  • Page 91: Removing The Middle Frame

    Removing the middle frame Follow the procedure in Before working inside your computer. Remove the following components: Stand Back cover System board shield Base cover I/O bracket Speakers System fan Hard drive WLAN card System board PSU fan Camera I/O board Headset port Antennas Microphones...

  • Page 92: Installing The Middle Frame

    Installing the middle frame Starting from the location shown, slide and align the middle frame to the slots on the display assembly base, and then snap the middle frame into place on the display assembly base [1,2]. Removing and Installing components...
  • Page 93 Replace the 16 screws (M3x5) that secure the middle frame to the display assembly base [2]. Removing and Installing components...
  • Page 94 Install the following components: Display panel power button board Microphones Antennas Headset port I/O board Camera PSU fan System board WLAN card Hard drive System fan Speakers I/O bracket Base cover System board shield Back cover Stand Follow the procedure in After working inside your computer.

  • Page 95: Troubleshooting Your Computer

    The items detected are listed and will be tested If there are any issues, error codes are displayed. Note the error code and validation number and contact Dell. To run a diagnostic test on a specific device Press Esc and click Yes to stop the diagnostic test.

  • Page 96: Lcd Built In Self Test - Bist

    LCD built in self test - BIST All-in-One (AIO) systems supports LCD BIST similar to any other Dell systems that have BIST test implemented. It allows the user to isolate the LCD during troubleshooting to determine which sub-system is at fault. The main difference is the lack of an integrated keyboard scan controller in the AIO.

  • Page 97: Invoking Bist

    Alternative display Invoking BIST To invoke the LCD BIST, turn on the system and press and hold the Display Built-in Self Test button plus the Power button together. Release the buttons when Red- Green-Blue-White-Blue pattern is displayed on screen. Troubleshooting your computer...

  • Page 98: Getting Help

    Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be available in your area. To contact Dell for sales, technical support, or customer service issues: Go to Dell.com/support.

This manual is also suitable for:

W17cOptiplex 7760 aio

Table of Contents