Acer X193 Manual de servicio - Página 21
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20
ACER X193HQ
Go to cover page
5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.)
Is backlight lit?
OK
Does computer output RGB video signals?
OK
Check OSM menu is display on screen
when you push the "PROCEED" key.
OK
Proceed "Abnormal sreen" dection"
5. Troubleshooting (continued)
NG
Refer "Checking the backlight unit" section"
Check the video cable for failure. Check the host for output signal is all
1) Change pattern of video signal output on the host.
NG
2) Reconnect the video cable.
3) Change the video cable.
Check if the LCD video signal cable is connected between the Interface
NG
black or not.
Board and LCD module.
NG
OK
Next Page
Failure Point
The LCD video signal cable is disconnected.