Computer does not restart automatically

December 17, 2009 at 04:31:25
Specs: Windows XP
I have an Intel P-4 946 processor desktop with Xp operating system. When i restart my computer by
-choosing the option in windows
-by pressing the restart button
-or it needs to restart automatically after any software installation
the computer given the message"windows is shutting down" and it shuts down properly. After that monitor goes to power saving mode with black screen. But fan and LED in CPU is on and it gives two beeps. Then it does not restart automatically and i have to press the power button for a long to switch it off and again press to start like we start the PC normally.
It i do only shut down the there is no problem. it works normal.It does not seem the the problem with XP because i have installed XP many times.This problem is from the time when i purchased it but at that time i couldn't go back to dealer due to some reason and now warranty period is over.
Can anybody please help me...
Thanks in advance
Pankaj

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#1
December 17, 2009 at 11:01:03
Check the power supply, I had that happen to me once before. I found out it was the power supply causing it. I replaced the power supply and it was fine again.

Iron Sharpens Iron.


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#2
December 19, 2009 at 03:37:52
Thanks for your reply...power supply you mean by SMPS?? will i
need to change SMPS??

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#3
December 19, 2009 at 15:53:20
Yes but most people refer to it as "power supply" or "PSU" which is the most common term for it.

If you have an extra PSU laying around or know someone that does, switch the current one you have in there out with that one and see if that is the problem first.

Iron Sharpens Iron.


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Related Solutions

#4
December 20, 2009 at 05:00:56
I got the PSU changed at a computer shop but it didn't solve the
problem. then he told me that i need to update the BIOS. I also
updates BIOS and all drivers from Intel website. But problem is
still same.
Dont know what to do.....

Pankaj


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#5
December 21, 2009 at 16:30:55
If the CPU fan is slow to start spinning the CPU will stop the boot cycle. Open the case and watch the CPU fan to verify it is turning fast enough. Also check the fan settings and temperature cutoff settings.

I also suggest you review the case to board wiring to verify it is connected to the correct pins.

Are you sure the shop really changed the PSU?


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#6
December 22, 2009 at 06:19:13
he changed the PSU in front of me and checked. Because the
problem was still same, he reinstalled my old PSU there.
Related to fan setting and temperature, I think it should be OK
as there is no problem in normal running. If there is a problem
in the fan, it should get shut down at a cut-off temperature
after some time but it runs normally.
Wiring may be the reason...I will check it...

Thanks
Pankaj


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#7
December 22, 2009 at 16:16:19
Well if the psu isn't the problem and everything else is fine, then it's the motherboard. Maybe time to get a new one.

JetWay JI31GM4-L-LF LGA 775 Intel G31 Micro ATX Intel Motherboard - Retail 39.99 + Free Shipping

http://www.newegg.com/Product/Produ...

Iron Sharpens Iron.


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