jamesiamjames :
i only have one PCI E slot i can't start my pc at all
1 short beep . Normal POST-system OK
2 short beeps .. POST error-error code
No beep Power supply, system board
Continuous beep _____________ Power supply, system board
Repeating short beeps ...... Power supply, system board
One long, one short beep -. System board
One long, two short beeps -.. Display adapter (MDA, CGA)
One long, three short beeps -... Enhanced Graphics Adapter (EGA)
Three long beeps - - - 3270 keyboard card
Try unplugging the powersupply for a couple seconds and plug it back in aswell