How to fix keyboard controller failure on Dell OptiPlex 5090 Small Form Factor Desktop?
If your Dell Desktop displays 'KEYBOARD CONTROLLER FAILURE', and you use an external keyboard, check the cable connection. Restart the computer, and avoid touching the keyboard or the mouse during the boot routine.
What to do if error reading pcmcia card on Dell OptiPlex 5090 Small Form Factor?
If you encounter 'ERROR READING PCMCIA CARD' on your Dell Desktop, the computer is having trouble identifying the ExpressCard. Try reinserting the card or using a different card.
How to fix disk C failed initialization on Dell Desktop?
If your Dell Desktop displays 'DISK C: FAILED INITIALIZATION', run the hard drive tests in Dell Diagnostics.
Why does Dell OptiPlex 5090 Small Form Factor Desktop say insert bootable media?
If your Dell Desktop displays 'INSERT BOOTABLE MEDIA', it means the operating system is trying to boot from non-bootable media. Insert bootable media.
What to do if extended memory size has changed on Dell OptiPlex 5090 Small Form Factor?
If your Dell Desktop displays 'EXTENDED MEMORY SIZE HAS CHANGED', restart the computer. If the error appears again, further assistance may be needed.
What to do if no memory/RAM detected on Dell OptiPlex 5090 Small Form Factor Desktop?
If your Dell Desktop shows 'No memory/RAM detected', confirm that the memory module is installed properly. If the problem persists, replace the memory module.
What to do if invalid memory installed on Dell OptiPlex 5090 Small Form Factor?
If your Dell Desktop indicates 'Invalid memory installed', reset the memory module. If the problem persists, replace the memory module.
How to fix PCI or video card/chip failure on Dell Desktop?
If your Dell Desktop shows 'PCI or Video card/chip failure', replace the system board.
What to do if BIOS recovery image is not found on Dell OptiPlex 5090 Small Form Factor?
If your Dell Desktop shows 'BIOS Recovery image not found', flash the latest BIOS version. If the problem persists, replace the system board.
How to fix BIOS recovery image found but invalid on Dell OptiPlex 5090 Small Form Factor?
If your Dell Desktop shows 'BIOS Recovery image found but invalid', flash the latest BIOS version. If the problem persists, replace the system board.
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