Acer K10 Service Manual page 26

Video Signal and VGA Signal Troubleshooting
Computer
No Signal
Check
Source
OK
Check
Cable
OK
Check
Main Board
K10
Turn on
NG
source
Replace
NG
Cable
Replace
NG
Main Board
Video No
Signal
Check
NG
Source
OK
Check
NG
Cable
OK
Check
NG
Main BOard
Turn on
source
Replace
Cable
Replace
Main Board
20