Computer Shutting off randomly

Darkshadow82000 · 08-24-2007, 07:24 PM

Hi. I'm having a problem with my comp. For some reason it keeps on shutting off randomly when I turn it on, sometimes I can load up the POST but other times it shuts off right away. I took everything apart after this problem started occurring. It worked for a little bit and I was able to reinstall the OS, but then when I turned it off and turned it back on the problem reoccurred. I also replaced the PS recently because it blew out but everything was working until now. I bought the PS about 4 months ago. I have no clue what to do and any help would be appriacted. Thanks

P.S the system specs. for my comp. are
Pentium D 3.0 Ghz
Video NVIDIA Gforce 7300 GS
MOBO Nforce570SLIT-A V5.1
HDD seagate 750GB
And two Kingston 1gb Ram
logisys 550W LED Acrylic Power supply

**Doby** · 08-24-2007, 07:39 PM

When you took everthing apart did you remove the heatsink from the cpu?
If the answer is yes did you clean and replace the thermal paste?
Is the heatsink tight?

Enter bios and list here the cpu temp and voltages of the +3.3V, +5V and +12V.

Darkshadow82000 · 08-24-2007, 07:44 PM

No, I didn't because when I bought my PS 4 months ago I also bought a heatsink and fan for my processor. I don't think that that's the problem because I just replaced it and put new thermal paste. I can't get into the bios because it keeps on shutting off before I can get in.

Darkshadow82000 · 08-24-2007, 07:51 PM

Also i noticed that the onboard network card LED light is on.

**Doby** · 08-24-2007, 08:18 PM

When a computer shuts down like that its usually 2 things, either,,,,,,,,,

the motherboard senses a cpu overheat condition and shuts down to prevent damage to the cpu or the power supply is faulty.

Seeing as the psu is new I would clean and reapply the thermal paste following these instructions

http://www.arcticsilver.com/instructions.htm

Also make sure the heatsink is tight

Darkshadow82000 · 08-24-2007, 08:28 PM

ok thanks

Darkshadow82000 · 08-27-2007, 06:50 PM

Ok, so i bought new thermal paste and put it on the heatsink is tight but it still keeps shutting off. now I can sometimes get in to the BIOS it reads
+3.3=3.31
+5=4.99
+12=11.64
CPU 13C
please someone help I'm running out of ideas thanks Darkshadow

**Doby** · 08-27-2007, 07:02 PM

Whats the cpu temp the bios is now reporting?

The next step would be to try another psu, the 12V is low, still within spec but barely.

Can you barrow a psu to try? You could also go to a store like Best Buy or staples and purchase one then return it for a small restoking fee if it ain't the problem but if the bios reading is correct my bet is the psu is the problem.

If the psu is only 4 months old it still should be under warranty

**Doby** · 08-27-2007, 07:04 PM

Caught your edit, a cpu temp of 13C must not be staying on long enough to heat up?

Darkshadow82000 · 08-27-2007, 07:17 PM

?
so whats up with it

the PS again

**Doby** · 08-27-2007, 07:29 PM

Yes it looks that way, try another one

Darkshadow82000 · 08-27-2007, 08:14 PM

ok thanks ill try that

**Doby** · 08-27-2007, 08:34 PM

Your welcome and keep us posted

Darkshadow82000 · 08-28-2007, 07:07 PM

I was thinking what if the computer PS is being overworked because it's only 550w and I think that I maxed out 550w and it says it has over voltage protection and I was wondering do you think maybe it could be shutting off because of that?

**Doby** · 08-28-2007, 08:22 PM

The specs you have listed would not max out a 550w but I am sure you have more hardware.

Put your specs in here then add 30% to the total.

http://www.extreme.outervision.com/psucalculator.jsp

I think that the psu is faulty its not the greatest.

Heres a great artical on psu's

http://www.techsupportforum.com/hard...selection.html

Darkshadow82000 · 08-28-2007, 08:52 PM

ok i got 474 with the 30%

Darkshadow82000 · 08-28-2007, 09:05 PM

well what do you know i learned something new. I'm guessing i have a really cheap power supply it only cost me like 65$ i thought it was a good buy but i should have thought about it and got a better one well i think I'm going to go buy a new power supply any suggestions?

Darkshadow82000 · 08-28-2007, 09:05 PM

oh yeah thanks for all your help

HawMan · 08-28-2007, 09:12 PM

Buying a cheap PSU seems a good idea at the time, but further down the line you relise you made a mistake.

I would look at The Antec Trio 550W

Or you could get the Antec trio 650W.

The Trio 650W would allow you to buy a 8600GT / GS or something further along the line, if you wish to upgrade your video card.

Darkshadow82000 · 08-28-2007, 09:21 PM

thanks

08-24-2007, 07:24 PM	#1 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Computer Shutting off randomly Hi. I'm having a problem with my comp. For some reason it keeps on shutting off randomly when I turn it on, sometimes I can load up the POST but other times it shuts off right away. I took everything apart after this problem started occurring. It worked for a little bit and I was able to reinstall the OS, but then when I turned it off and turned it back on the problem reoccurred. I also replaced the PS recently because it blew out but everything was working until now. I bought the PS about 4 months ago. I have no clue what to do and any help would be appriacted. Thanks P.S the system specs. for my comp. are Pentium D 3.0 Ghz Video NVIDIA Gforce 7300 GS MOBO Nforce570SLIT-A V5.1 HDD seagate 750GB And two Kingston 1gb Ram logisys 550W LED Acrylic Power supply __________________ poopy, what did I spell wrong now? Last edited by Darkshadow82000; 08-24-2007 at 07:26 PM.

08-24-2007, 07:39 PM	#2 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly When you took everthing apart did you remove the heatsink from the cpu? If the answer is yes did you clean and replace the thermal paste? Is the heatsink tight? Enter bios and list here the cpu temp and voltages of the +3.3V, +5V and +12V. __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-24-2007, 07:44 PM	#3 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly No, I didn't because when I bought my PS 4 months ago I also bought a heatsink and fan for my processor. I don't think that that's the problem because I just replaced it and put new thermal paste. I can't get into the bios because it keeps on shutting off before I can get in. __________________ poopy, what did I spell wrong now? Last edited by Darkshadow82000; 08-24-2007 at 07:47 PM.

08-24-2007, 07:51 PM	#4 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly Also i noticed that the onboard network card LED light is on. __________________ poopy, what did I spell wrong now?

08-24-2007, 08:18 PM	#5 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly When a computer shuts down like that its usually 2 things, either,,,,,,,,, the motherboard senses a cpu overheat condition and shuts down to prevent damage to the cpu or the power supply is faulty. Seeing as the psu is new I would clean and reapply the thermal paste following these instructions http://www.arcticsilver.com/instructions.htm Also make sure the heatsink is tight __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-24-2007, 08:28 PM	#6 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly ok thanks

08-27-2007, 06:50 PM	#7 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly Ok, so i bought new thermal paste and put it on the heatsink is tight but it still keeps shutting off. now I can sometimes get in to the BIOS it reads +3.3=3.31 +5=4.99 +12=11.64 CPU 13C please someone help I'm running out of ideas thanks Darkshadow Last edited by Darkshadow82000; 08-27-2007 at 06:58 PM.

08-27-2007, 07:02 PM	#8 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly Whats the cpu temp the bios is now reporting? The next step would be to try another psu, the 12V is low, still within spec but barely. Can you barrow a psu to try? You could also go to a store like Best Buy or staples and purchase one then return it for a small restoking fee if it ain't the problem but if the bios reading is correct my bet is the psu is the problem. If the psu is only 4 months old it still should be under warranty __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-27-2007, 07:04 PM	#9 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly Caught your edit, a cpu temp of 13C must not be staying on long enough to heat up? __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-27-2007, 07:17 PM	#10 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly ? so whats up with it the PS again

08-27-2007, 07:29 PM	#11 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly Yes it looks that way, try another one __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-27-2007, 08:14 PM	#12 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly ok thanks ill try that

08-27-2007, 08:34 PM	#13 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly Your welcome and keep us posted __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-28-2007, 07:07 PM	#14 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly I was thinking what if the computer PS is being overworked because it's only 550w and I think that I maxed out 550w and it says it has over voltage protection and I was wondering do you think maybe it could be shutting off because of that?

08-28-2007, 08:22 PM	#15 (permalink)
Doby Moderator Hardware Team Join Date: Jan 2006 Location: Central PA (USA) Posts: 8,078 OS: XP sp2/ Vista My System	Re: Computer Shutting off randomly The specs you have listed would not max out a 550w but I am sure you have more hardware. Put your specs in here then add 30% to the total. http://www.extreme.outervision.com/psucalculator.jsp I think that the psu is faulty its not the greatest. Heres a great artical on psu's http://www.techsupportforum.com/hard...selection.html __________________ Would you like to help TSF fight cancer and other diseases??? JOIN TEAM TSF

08-28-2007, 08:52 PM	#16 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly ok i got 474 with the 30% Last edited by Darkshadow82000; 08-28-2007 at 08:56 PM.

08-28-2007, 09:05 PM	#17 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly well what do you know i learned something new. I'm guessing i have a really cheap power supply it only cost me like 65$ i thought it was a good buy but i should have thought about it and got a better one well i think I'm going to go buy a new power supply any suggestions?

08-28-2007, 09:05 PM	#18 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly oh yeah thanks for all your help

08-28-2007, 09:12 PM	#19 (permalink)
HawMan Liam Join Date: May 2006 Location: Edinburgh, Scotland Posts: 2,938 OS: Win XP My System	Re: Computer Shutting off randomly Buying a cheap PSU seems a good idea at the time, but further down the line you relise you made a mistake. I would look at The Antec Trio 550W Or you could get the Antec trio 650W. The Trio 650W would allow you to buy a 8600GT / GS or something further along the line, if you wish to upgrade your video card. __________________ Please Consider Donating to keep the site free.

08-28-2007, 09:21 PM	#20 (permalink)
Darkshadow82000 Registered User Join Date: Jun 2007 Location: PA Posts: 37 OS: XP	Re: Computer Shutting off randomly thanks