Acer X193 X183H / X193HQ Service Guide - Page 21
Troubleshooting continued, 2 Nothing displays on the screen Screen is black and colour of LED is
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20 ACER X193HQ Go to cover page 5. Troubleshooting (continued) 5.2 Nothing displays on the screen (Screen is black and colour of LED is blue.) Is backlight lit? NG OK Refer "Checking the backlight unit" section" Does computer output RGB video signals? NG OK Check the video cable for failure. Check the host for output signal is all black or not. 1) Change pattern of video signal output on the host. 2) Reconnect the video cable. 3) Change the video cable. Check OSM menu is display on screen when you push the "PROCEED" key. NG OK Proceed "Abnormal sreen" dection" Check if the LCD video signal cable is connected between the Interface Board and LCD module. NG OK Failure Point The LCD video signal cable is disconnected. Next Page