-sometimes everything starts normally and works fine, then display (at any time, without warning) becomes vertical lines (sometimes blue, sometimes grey, or green or orange or any color) and computer is locked, or
-sometimes powers on, starts windows and then black screen, or
-sometimes powers on, power button, cd, caps lock, and num lock led s flash - won't go no further, or
-sometimes powers up, windows flashes briefly, and screen goes black.
If I shake unit, flashing led s go out and then can power off and power on and everything works (sometimes)
computer is 1 1/2 years old.
Have hooked to external monitor - no difference, monitor displays same as laptop screen.
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You probably put more than a pin-head size drop of heat grease compound on CPU, thus "bleeding" over on the CPU, effectively overheating processor (very common). In any event, your problem is overheating -that's *the* place to look for now.
gcmichaud: Take out the RAM and turn on the computer. It should freak out. If not, your motherboard has gone. The good news: your data is safe. If it does beep like crazy, turn the computer off, remove the battery AND ac, reinstall the RAM and hold the power button down continuously for a good, slow count of thirty. Plug in the AC and try again. Let me know if you have any other questions/problems. I'll monitor this thread.
jslo: It sounds like your power supply died. It's a pretty common problem. Can you get a friend to lend you their power supply? If so, hook it up and see if everything works. My bet is yes.
the problem is with the Port that your connect with the Computer with the cs/dvd drive it is damaged or malfunction you have to either check your mainboard it has the problem , for that pls confir the same cd/dvd drive in another computer if it works fine , then it your main board Ok.