!t doesn't send a signal to the monitor and its therefore quite difficult to use my computer; I've used it for about 1 year though, without any problems.
Initially check the monitor whether it is working good you can check it by removing the monitor cable from the system when you remove cable you will able to see question mark in case of crt monitor this ensures your monitor is working good.
when you power the system whether processor works if the processor works means you can conclude that the problem is with the ram or the video parts of mother board.
Clear the dust in the ram slot and reinsert the ram
Then remove the cmos battery of the system and reset the bios settings.
Check whether the power cables are correct.
then power on the system if you receive display the problem is solved.
If the display does not appear check by replacing the new ram then giving motherboard to service centre
Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors pictures: http://s807.photobucket.com/albums/yy352/budm/
Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.
Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
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