Question about ViewSonic Optiquest Q19wb LCD Monitor
I have the mentioned 20" lcd monitor and it will display an image for a second when you first turn it on but then it goes black. The power button stays green and if I have a web page open and hold the monitor sideways I can faintly see the image. I have been told to replace the backlight and was wondering if anyone has done this or maybe has the instructions on how to get the backlight out of this monitor or to even get to it? I see a couple of screws behind the stand I removed from it but does the bezel/case just snap open or am I missing something? TIA for any advice, this will be the first time I fixed one of these
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Posted on Jan 02, 2017
Sounds like that monitor has reached the end of the road. I would recommend purchasing another monitor, other than view sonic. Purchase a Dell..they are great!
Posted on May 14, 2009
First to check will be the power supply, look for bad caps with bulging tops first then report back so we can guide you further, see example of failed monitors due to bad caps: http://s807.photobucket.com/home/budm/allalbums
Posted on Feb 04, 2010
If you are not hearing any beep I assume you are having problem with your video so, please ...
- open your PC and check whether your video card is well placed (sometimes it looks fine but you never know) remove it and put it back.
- If you used to remove often the cable from the PC, it might be that the pins from the monitor cable are even broke... please check.
- try to find another video card and replace it just to make sure its the video ...
- last... reset the bios (but I doubt that this is your problem)
Posted on May 03, 2010
It's an issue with the power supply, most likely the Capacitors (one or more) may be shot. Open it up if it is out of warrenty, look at the capacitors (they look like cans), if they are bulging at the top or even sides they are bad. This is a common problem with this monitor. Crappy Caps used in manufacturing. Replace all the caps with same rated caps and you should be good. Do your research on how to desolder the old ones off and proper installation of the new ones.
Posted on Oct 06, 2010
SOURCE: i have a optiquest Q20WB
More likley to have bad caps like other Optiquest monitors as shown in my albums. Basic LCD monitor troubleshooting guide:
If you are going to DIY and have proper tools and know safety precaution then please read on:
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply (they should be replaced in a set), blown fuses; poor solder joints, failed inverter circuits (blown fuse, shorted transistors, shorted/open transformers), bad lamps (poor solder connections or worn out lamps). You will need to open it up and inspect the inside, see example of failed OPTIQUEST monitors to get some ideas what to look for: http://s807.photobucket.com/home/budm/allalbums
Post back what you see inside so we can guide you further and it will help out other people in the future also.
Basic LCD monitor troubleshooting guide:
Posted on Oct 23, 2010
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