dell optiplex. does anyone know what this button does? It gets

I got this old Dell Optiplex 780 for free from an office and when the power button is held down and error code of 3 appears and the power buttons doesn't light

Dell Optiplex 960 SSF Power Button Board Card - H983F : Electronics

Dell OptiPlex 9010 Power Blinks Orange (Windows 10)

Product must be unused and labels untampered with. We serialize everything! Serial number must match.

GENUINE DELL OPTIPLEX 7010 DESKTOP EMPTY CHASSIS CASE WITH POWER BUTTON 2X4M4

Buy Dell Optiplex 9010 SFF Desktop Power Button Board 274XG

Dell OptiPlex 3090 Small Form Factor Review

Dell Optiplex 3060 SFF Computer Desktop PC, Intel Core i5-8400 2.80GHz Processor, 8GB DDR4 Ram, 256GB NVMe SSD 1TB Hard Drive, HDMI, Wireless Keyboard Mouse, WiFi & Bluetooth, Windows 10 (Renewed)

If you are having problems with turning your computer on and off then this may be the repair part you need.This cable is for the mini tower MT