S
Sandra SmithAug 26, 2025
What to do if my Dell OptiPlex 7040-Small Form Factor shows 'Bad Motherboard, Power Supply or Power Supply cabling'?
- PPatricia SimmonsAug 26, 2025
If you can assist with troubleshooting, try the PSU BIST Test and reseat the cable. If these steps don't work, replace the motherboard, power supply, or cabling.