Having problems with your Dell Latitude D800 Notebook ?

Blue Screen, Frozen Boot, NMI Parity Check

\015 I've got a Dell Latitude D800 I've had for a few years. It's got 1GB of DDR RAM (2 512 sticks), and I haven't made any hardware changes since I purchased. Lately I've been getting the dreaded blue screen. I've been able to hard reboot and it works fine. I've also got a problem with it recognizing my DVD/CD Drive when it's in the docking station. Most recently, I went to boot up my pc and it froze just after the XP logo screen - prior to the "login as" screen... it pauses on the screen that says "waiting". If I let it run for about 30 minutes it will sometimes pull up the desktop, but not load my system tray or give me access to any desktop icons - it just remains frozen. Most times however I get the "Hardware failure, NMI Parity Check - Memory Parity Failure" message...\015\012\015\012I've tried pulling memory sticks one by one to see if that was a problem, but I get the same issue.\015\012\015\012I'm able to boot in safemode only.\015\012\015\012Any ideas what to check next?\015

Answers :

Test both your memory modules with memtest
\015\012
\015\012http://www.memtest.org/
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\015\012
\015\012It may be a windows problem that might go away with a fresh windows installation. As you said it takes very long to start up that might point to a harddrive problem.
\015\012
\015\012you can read about harddrive testing here
\015\012http://pcsupport.about.com/od/toolsofthetrade/f/testharddrive.htm
\015\012
\015\012
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