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Discussion Starter · #1 ·
If I shut my PC off, the next time I try to boot up, it freezes on the HP blue screen (does not make it to Windows XP screen). This has been going on for a couple months now.

If I shut my computer off, unplug it from the wall for 10-15 seconds, plug it back in, it boots up fine.

So, I either have to never shutoff my computer, or unplug it before I start back up so it boots up.

Replaced the power supply, still had the same problem. Put old power supply back in.

Unplugged the hard drive and booted, still had the same problem (don't think its making it to the HD in boot).

Unplugged the DVD rom and CD-RW drives to eliminate them, still had the same problem.

Now, I have a new, related problem, happened first time 4 days ago, now happen a few times a day. The computer shuts down, not a normal shut down, just instantly to blank screen no power on PC. Again, if I unplug for 10-15 seconds, it will boot back up (though sometimes I have to try the unplug trick 2-3 times to work).

Any ideas on what this could be?

Could a bad motherboard cause this? Heat sink?? (note I am an experienced beginner in computer skills).

My fan is running. Actually, it runs all the time. Hardly ever shuts off.

Computer is in a hutch. Door is closed but cut hole in back the size of the tower so fan blow out the back and there is 2' of space between the hutch and the corner walls.

What about something as simple as the CMOS battery?
 

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bump
 

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bump again
 

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anyone?
 

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http://oca.microsoft.com/en/windiag.asp
i would read directions and run this, see if anything shows up
check temps in bios after pc runs for a while, also download speedfan
http://www.almico.com/sfdownload.php
also this
http://files.extremeoverclocking.com/file.php?f=103
this program stresses your system to see how it reacts to 100% cpu usage, you can have this running with speed fan showing to watch temp rise at idle to full use.
another good program for hard drive analysis
http://www.hdtune.com/
hopefully this stuff will work on an HP system
Everest Home is a good program for pc info similar but better than Belarc
http://www.majorgeeks.com/EVEREST_Free_Edition_d4181.html
 

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slow day today, only 13 members and none of the usual bunch, maybe tonite
 

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I d be interested in other opinions on this seems weird, 2 things I forgot did you try different power cords, and this might be a power switch problem, to test it you would have to unplug the front panel connector and find the 2 pins that go to the pwr sw, trace the wires if you have to (no mb manual) touch the 2 pins together using a paper clip or screwdriver tip to short the pins momentarily to start pc.
 

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reset and flashed still no change, thinking is its a heat issue, SF was giving 80c idle to 100c with P95, yes thats right "C" not F, dont even know how its running at this point. system is dirty in small enclosed desk, back is open only, told ljf to check hsf, clean and reinstall to get temps down, we'll see.
 

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Discussion Starter · #11 ·
OK, again my computer was a little dirty but not horrible. Blew it out with air last night, especially the heat sink. This solved my intermittent shut down problem and my startup problem (where I had unplug the computer from the wall for it to boot up). Before cleaning my temp (via Speedfan) was 80C and my fan ran at 4000+RPM at 5% CPU and was 105C and 4000+RPM at 100%CPU (via Prime95). After cleaning my temp (via Speedfan) was 40C and my fan ran at 2200+RPM at 5% CPU and was 50C and 2600+RPM at 100%CPU (via Prime95).

Moral of the story, don't be a slob, clean, clean, CLEAN!:)

Brite750, thanks for all the help. Saved me much $!!!!!!!!!!!!!!:up:

I owe you lunch.
 

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ljfab said:
OK, again my computer was a little dirty but not horrible. Blew it out with air last night, especially the heat sink. This solved my intermittent shut down problem and my startup problem (where I had unplug the computer from the wall for it to boot up). Before cleaning my temp (via Speedfan) was 80C and my fan ran at 4000+RPM at 5% CPU and was 105C and 4000+RPM at 100%CPU (via Prime95). After cleaning my temp (via Speedfan) was 40C and my fan ran at 2200+RPM at 5% CPU and was 50C and 2600+RPM at 100%CPU (via Prime95).

Moral of the story, don't be a slob, clean, clean, CLEAN!:)

Brite750, thanks for all the help. Saved me much $!!!!!!!!!!!!!!:up:

I owe you lunch.
yeah that dust is a hell of an insulator, however the Sabres still lost:mad:
 
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