On start-up, the screen flashes off and on every few seconds, then after about 2 hours suddenly starts working. When I say flashes off and on I mean the screen is black, and then for a millisecond the desktop picture will appear and then it goes black again.
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well, its a 2003 LDC 13 years old ,
the monitor itself of the power pack to it is bad.
you can test it on any PC< or laptop made
if its dead on all , then its dead.
what more needs saying,
older LCD monitors had old CCFL, lamps. that love to fail
newer are LED back lights that last for ever. it seems
so up grade?
seems your back light is dead
ever do the flash light trick
shine it at the dead screen see good data
yes, then the CCFL is DEAD< (or its power supply ,deep inside)
fixed may but would never do a 2003, not now.
lots of used good LED for sale,
michaelfoder, Because very strange things start to appear on the screens of cold cathode fluorescent lamp, back-lit, LCD monitors, I always investigate the "switch-mode-power-supply/ccfl inverter supply for very common occuring defects in the supply!!! You can find out about them here: http://www.lesliewong.us/blog/2005/05/02/hp-pavilion-f1703-flat-panel-display-blackout-solution/ Just remember to do a fixya rating and testimonial if this response helps you to find and correct problem in your 2-3year old unit. Problem could be an unstable +5v or +3.3v dc supply rail. 12fixlouie
Try reseating the Processor, and checking all the connections on the inside again, also try switching the RAM around such as trying only one RAM stick, one in each slot, if you only have one RAM stick try different compatible RAM.
After reading a number of posts regarding this problem, I disconnected the speaker from the screen electric outlet meant for this purpose, thinking it may have been pulling a bit too much amperage to the detriment of the screen. I am going to hook a small transformer to feed the speakers directly thereby bypassing the electric feed from the screen itself. Hope it continues to work. I will let you know if it doesn't.
Try reinstalling your monitor. You should have a disc that came with all of your equipment.Make sure it is a clean install and there are no other programs running. Also check all connections to make sure they are tight.
If this does not help, do you have another monitor you can install temporarily so that you can work on this problem?
Is this a new monitor installation? You might want to check your hardware compatibility list which you will find under Start>Programs>accessories>compatibility wizard.