7. No Video, Part 3

Caution: Power is continuous to the system board and power supply even when the power switch is turned off. To prevent damage to the unit, disconnect the power cord from the power source or the unit before beginning disassembly procedures.

See codes

N

or flashing

 

lights or hear

 

beeps?

 

 

 

Y

 

 

 

 

 

Turn off computer and disconnect power. Replace components in system one at a time starting with hard drive. Test system after each replacement for video or beeps.

Integrated

 

N

 

Replace

 

 

 

 

 

video?

 

 

 

 

 

video card.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

N

 

 

 

 

 

 

 

 

Replace

 

 

 

 

 

 

 

 

Video OK?

 

 

 

 

 

system board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Y

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Done

 

 

 

 

 

 

 

 

 

 

 

 

2-8 Troubleshooting Flowcharts for Desktop Computers