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monitor repair question

581 views 1 reply 2 participants last post by  WereBo 
#1 ·
Viewsonic VX2255WMB-2 monitor. Will come on for a few seconds and then go blank -- tried replacing the two main boards but still does same thing -- any suggestions? Thanks
 
#2 ·
Hi Nova87 and welcome to TSF :wave:

Try shining a torch onto the screen with the PC booted (or another video-source connected), if you see a dim picture in the light, then it's possibly the backlight inverter has died (there's 4 CCFL backlights, if 1 died then t'others should still show a picture)

Otherwise, you can get the .PDF service-manual from here 'Viewsonic manual', chapter 6 has a diagnostic-flowchart that should help narrow down the cause :smile:
 
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