Acer K10 - Keystone, Position, and Sharpness Adjustments

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