I have seen other posts about this problem specifically with this brand of monitor, but was unable to find an answer.
When I press the On button, whether its connected to a computer or not, it flicks on (I see BenQ symbol) and then flicks off. If I login to windows with another monitor, and then plug it in, it flicks on for a second and i see windows...and then flicks off again.
Any help would be greatly appreciated...
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If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/
Unlock procedure and to override the password lock to many popular brand TVs & other devices are given.
pandres, Your monitor will need troubleshooting to find out reason why the 2 "cold-cathode-fluorescent-lamps" fail to remain lighted. They provide "white light" so you can see what is on the lcd panel. Connect a "known good" monitor to your pc to prove monitor is bad. If pc is ok, then your monitor will need repair. This type problem not new and is very common for all brands of ccfl back-lit lcd monitors. Watch some video clips at YOUTUBE that show disassembly and repair of ccfl lcd monitors. Read fixya profiles of "budmrtn" buddymc" "12fixlouie" for more information. 12fixlouie
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, 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 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. http://en.wikipedia.org/wiki/Capacitor_plague http://www.badcaps.net
90% of the failed LCD monitors are due to bad capacitors (bulging top/seal, or leaking) in the power supply, or bad solder joints, etc.. You can look for them first. Please see the pictures here to see what to look for: http://s807.photobucket.com/home/budm/allalbums Please post back so we can guide you further and it will help other people also.
You need to download the specific video drivers for your computer. Windows only includes generic drivers. Go online to support.(my computer brand - insert your brand here).com and follow the manufacturers instructions for downloading drivers. While there I would suggest downloading all the drivers possible for your brand of computer. By the way - don't pay for the drivers, nearly all are free. Good luck
If you mean the on light goes dim, then I've had the same problem - unplug both computer and monitor - hold power button for monitor for 15-30 seconds...then power it back on and then power on the computer. Seems from other sites there is a power issue with the monitor - this worked for me.
That is definitely a problem with the monitor...if its under warranty have it replaced...if not...start looking for a replacement it hardly ever is worth it to have them repaired (shipping, parts, labor is usually a little less than a new monitor).