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Intermittent black screen flashes and slower computer

by a50 / August 7, 2008 12:48 PM PDT

This forum has been so great to help me in the past, I'm back again with a new problem. I hope I can get through this message before my computer screws up.

Here are the symptoms.
1. The computer seems to take a little longer to boot up.
2. Once booted up, the computer seems a little slow.
3. ** After a couple of minutes, if I click to try to close a window, the computer freezes for a moment, then a black screen appears for a second, then the normal screen comes up.
4. Sometimes clicking on "BACK" cause the same black screen effect.
5. Eventually, when I click in a window to type something, the computer freezes on that page for around 10 seconds, goes to the black screen, then back to the page I was trying to type in.
6. ** Finally, the computer gets to a point when it just flashes constantly from black screen to computer screen and I have to restart the computer.
7. This whole process (to when I get to the point where I have to restart) accelerates as more websites are visited or more pages/programs are opened. So multi-tasking worsens the problem.

I have run Spybot Search & Destroy which didn't find anything. I also ran my antivirus program (AVG) which didn't find anything yet either. I am using Windows XP. I did install a new mouse a couple weeks ago (Microsoft Wireless Optical Mouse 5000).

I searched this forum and the net but didn't find any similar situations. Does anyone have any experience with this problem or know what could be the issues? Thanks!

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one more thing
by a50 / August 7, 2008 1:08 PM PDT

Another symptom is that there are often broken colored lines that appear on the screen or even colored letters occasionally.

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same problem
by aiservices / September 19, 2008 4:44 AM PDT
In reply to: one more thing

I am experiencing the same problem with a Dell Latitude 800, Windows xp sp2, 2 gigs ram Norton anti virus. Intermittent black screen and lines in screen once it starts. I wonder if you have found a solution? Thanks

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