What to do for System board failure (included BIOS corruption or ROM error) in Dell OptiPlex 5090 Small Form Factor Desktop?
Flash the latest BIOS version on your Dell Desktop. If the problem persists, replace the system board.
What to do if Dell OptiPlex 5090 Small Form Factor shows System board / Chipset Error / Clock failure / Gate A20 failure / Super I/O failure / Keyboard controller failure?
Flash the latest BIOS version on your Dell Desktop. If the issue persists, replace the system board.
What to do if BIOS Recovery image is found but invalid on Dell OptiPlex 5090 Small Form Factor Desktop?
Flash the latest BIOS version on your Dell Desktop. If the problem continues, replace the system board.
What to do if Invalid memory is installed in Dell OptiPlex 5090 Small Form Factor Desktop?
Reset the memory module. If problem persists, replace the memory module in your Dell Desktop.
How to fix CPU failure on a Dell OptiPlex 5090 Small Form Factor Desktop?
Run the Intel CPU diagnostics tools on your Dell Desktop. If the problem persists, replace the system board.
What to do if the hard drive failed initialization on Dell OptiPlex 5090 Small Form Factor Desktop?
Run the hard drive tests in Dell Diagnostics for your Dell Desktop.
What to do if CMOS battery fails on Dell OptiPlex 5090 Small Form Factor?
Reset the CMOS battery connection on your Dell Desktop. If the problem persists, replace the RTS battery.
What to do if the system configuration information does not match the hardware configuration on Dell Desktop?
Correct the appropriate options in the system setup program on your Dell Desktop.
What to do if the time or date stored in the system setup program does not match the system clock on Dell Desktop?
Correct the settings for the Date and Time options on your Dell Desktop.
What to do if a chip on the system board may be malfunctioning on Dell OptiPlex 5090 Small Form Factor?
Run the System Set tests in Dell Diagnostics on your Dell Desktop.
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