I unfortunately have about 40 of these monitors and am familiar with this issue. If the monitor loses power (unplugged, etc) the monitor will not have any display, not even the built-in display GUI, and the power light flashes green and amber. The monitor can be "reset" though which works most of time. I was also able to call Planar with the serial number and get the majority of them replaced under the original 3 - year warranty. The tech support at Planar is good, and they will also instruct you on how to reset the monitor.
Most common failures in the LCD monitors are bad capacitors (bulging top/seal or leaking) in the power supply, blown fuses, 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
SOURCE: Monitor Not Showing A Picture. Light flashes Yellow and Green.
use the onboard graphics instead of a seperate graphics card (if installed) to test the screen.if it still doesn't work then unplug your monitor from the mains supply and plug in again to reset it. i doubt it's your monitor that is the problem though. but look on the back of your pc for another connection for your screen. the onboard graphics connection is normally vertical near your ethernet port and mouse and keyboard inputs.
please rate me and give me a fixya! if it helped.
SOURCE: Monitor turns off: Light goes from green to yellow
The first response was my first thought. However I dont think you need a new monitor, check to make sure your computer is not set on some kind of power saving option. :)
SOURCE: hyundai b90a monitor screen is blank... the power
Hello,
It sounds like you have a monitor with a common problem. After a few years some LCD monitors will
blow a power supply. The problem is caused by parts called capacitors
overheating in the confined space of he monitor. If you are good at electronics repair/soldering you can usually fix he problem. Check out a few pictures on my web site www.ccl-la.com/badcaps.htm You
can take the back cover off your monitor and look for the bad
parts,replace any that look like the pictures and your monitor should
work fine. The capacitors do need to be installed with the correct + and
-connections, note the stripe on the old one and insert the new one
the same way. If you don't want to try the repair yourself we offer a repair
service for $45 plus shipping. If your problem is not the capacitors
then it would be the backlights and that is much more difficult to
replace.
I hope this helps, if so please rate my solution.
Buddy
Corporate Computer
www.ccl-la.com
Over 21 years of computer and printer support/repair
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