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Daniel WilliamsSep 8, 2025
What to do for PCI, video card/chip failure on Dell OptiPlex 7780 All-In-One?
- BBernard TerrySep 8, 2025
If your Dell Desktop has a PCI, video card/chip failure, replace the system board.
What to do for PCI, video card/chip failure on Dell OptiPlex 7780 All-In-One?
If your Dell Desktop has a PCI, video card/chip failure, replace the system board.
What to do if there is a Memory or RAM failure on Dell OptiPlex 7780 All-In-One?
If you are experiencing a memory or RAM failure with your Dell Desktop, reset the memory module. If the issue persists, replace the memory module.
What to do if invalid memory is installed on Dell OptiPlex 7780 All-In-One?
If your Dell Desktop indicates that invalid memory is installed, reset the memory module. If the problem continues, replace the memory module.
How to fix BIOS or ROM failure on Dell OptiPlex 7780 All-In-One?
If there is a BIOS or ROM failure on the system board of your Dell Desktop, flash the latest BIOS version. If the problem continues, replace the system board.
How to troubleshoot display failure on Dell Desktop?
In case of a display failure on your Dell Desktop, flash the latest BIOS version. If the problem continues, replace the LCD module.
How to diagnose processor failure on Dell OptiPlex 7780 All-In-One?
If your Dell Desktop is experiencing a processor failure, run the Intel CPU diagnostics tools. If the problem continues, replace the system board.
How to fix MBIST: TPM Detection Failure on Dell OptiPlex 7780 All-In-One Desktop?
If you encounter a MBIST: TPM Detection Failure on your Dell Desktop, replace the system board.
How to resolve LCD power rail failure on Dell Desktop?
If there is an LCD power rail failure on your Dell Desktop, replace the system board.
How to fix CPU power cable connection issue on Dell OptiPlex 7780 All-In-One Desktop?
If you suspect a CPU power cable connection issue in your Dell Desktop, initiate PSU BIST. If the problem persists, replace the system board.
What causes power-rail failure on Dell OptiPlex 7780 All-In-One?
If you are facing a power-rail failure on your Dell Desktop, it means that the EC ran into a power sequencing failure. If the problem continues, replace the system board.
General| Display Size | 23.8-inch or 27-inch |
|---|---|
| RAM | Up to 64GB DDR4 |
| Graphics | Intel UHD Graphics |
| Operating System | Windows 10 Pro |
| Wireless | Wi-Fi 6 |
| Audio | Internal Speakers |
General guidelines before performing internal computer operations.
Procedures to prevent damage from electrostatic discharge.
Components and usage of the ESD field service kit.
Guidelines for safely packaging and moving static-sensitive parts.
Procedures to follow after completing internal computer maintenance.
Steps to remove and install the computer's stand assembly.
Steps to remove and install the main rear cover of the computer.
Instructions for removing and installing the primary storage drive.
Procedures for removing and installing RAM modules.
Steps to remove and install M.2 SSDs or Intel Optane memory.
Detailed instructions for removing and installing the CPU.
Procedures for removing and installing CPU heat sinks (UMA and Discrete).
Comprehensive guide to removing and installing the computer's main logic board.
Steps for removing and installing the internal power supply unit.
Instructions for removing and installing the LCD display assembly.
Lists the operating systems compatible with the computer model.
Step-by-step guide for downloading and installing necessary hardware drivers.
Instructions on how to access the computer's BIOS setup utility.
Overview of various configurable settings within the system setup.
How to set, change, or delete system and BIOS passwords.
Information on the pre-boot system performance check diagnostics.
Explanation of power status indicator lights and diagnostic LED patterns.
Guide for recovering the operating system using Dell SupportAssist OS Recovery.
Instructions for updating the system's BIOS using a USB drive.
Overview of online resources for product information and support.
Information on how to contact Dell for sales, technical, or customer service issues.
