E-Machines T6520 PC Desktop "white screen three beeps" Questions

...screen is white with intermitten beeping sounds while i was switching from ebay to craigslist, the computer sort of just stalled, then as if a gray see through curtain scrolled down over the entire ...

...white ACER screen and ive tried the ribbon cable making sure its connected correctly. usually there should be a single beep before the post start-up? and the light on keyboard still not on! you dont ...

...white connectors on ends using a digital connection), try switching to an RGB cable (with the blue connectors on ends also called an analog signal). Remember to switch your source to RGB on the ...

...a white screen once the machine booted up. Might check to make sure your monitor is working properly before doing everything else.....I put a spare monitor on the machine and it booted up just

...screen because it isn't getting a video signal. (No Signal) The problem may be due to three things, but all related to graphics. 1) The monitor cable may be bad. Try the monitor on another ...

...screen just says "no signal", and the computer continuously beep beep beeps the entire time. The Video (Graphics) Card inside the computer is not working.  The fact that the monitor ...

white screen saying Windows did not start successfully last time, what did I want to do? I tried "normal start", "safe mode", "last known good configuration". None of these would produce a boot. Then,