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Old 02-10-2008, 07:31 PM   #1 (permalink)
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Join Date: Feb 2008
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Default Random reboots with new pc

So I just finished building and setting up this new computer last night and I've been experiencing a rather annoying issue with it. It randomly reboots after so long. It's done it twice now since I've gotten everything up and running; once after about being on for ~2 hours and this time for being on around 10 hours.

diagnostic report for specs:

System Information
Time of this report: 2/10/2008, 19:18:21
Machine name: LLOYDCOMP
Operating System: Windows XP Home Edition (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_gdr.070227-2254)
Language: English (Regional Setting: English)
System Manufacturer: System Manufacter
System Model: System Product Name
BIOS: Phoenix - AwardBIOS v6.00PG
Processor: Intel(R) Core(TM)2 Duo CPU E6750 @ 2.66GHz (2 CPUs)
Memory: 3326MB RAM
Page File: 246MB used, 4964MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode

Display Devices
Card name: NVIDIA GeForce 8600 GT
Manufacturer: NVIDIA
Chip type: GeForce 8600 GT
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_0402&SUBSYS_22871682&REV_A1
Display Memory: 256.0 MB
Current Mode: 1680 x 1050 (32 bit) (60Hz)
Monitor: Plug and Play Monitor
Monitor Max Res: 1600,1200
Driver Name: nv4_disp.dll
Driver Version: 6.14.0011.6218 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 6/28/2007 11:43:00, 5690624 bytes

After talking with a few people that seem to know their way around pcs, we came down to it possibly being either the 4pin power cord being connected to an 8pin (I'll need an adaptor to remedy this), or something overheating inside.

I downloaded Sensors View to check out the info and it gives me this:


CPU: 27C/82F
GPU: 47C/117F
Sys: 35C/95F
AUX: 27C/81F
HD0: 26C/79F


Sys: 1875 RPMs
AUX fan: 0 RPMs
CPU fan2: 0 RPMs
Aux fan2: 0 RPMs


VcoreA: 1.02 V
+3.3V: 3.31 V
+12V: 10.90V

I noticed that most of the fans are reporting zero RPMs which is odd because I'm looking at them now and they're doing just fine. My guess is that it's either the video card overheating, power supply being insufficient (500W) or the 4 pin being connected to the 8pin power connector. I have an adaptor on the way for the pin cord issue.

Any expert advice?

I'm playing world of warcraft atm, and when tabbed into the game the GPU temp jumps up about 20degrees F fairly quick. I'm gonna keep playing it and see if it continues to go higher.

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Old 02-10-2008, 09:00 PM   #2 (permalink)
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Join Date: Apr 2007
Posts: 2,074
Default Re: Random reboots with new pc

When first assembling a new build and applying the thermal paste or compound to the hsf and cpu you only run the system for about 3-4hrs. and then shutdown the entire system on the first day. The board's overheat protection circuit is most likely kicking in since you are trying to push things too fast there.
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