Comp keeps turning off while playing games

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demoniciisniper

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Feb 20, 2010
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hi guys im new to the site i was wondering if someone could help me. i play alot of games on my ps some work fine like WOW i can play for days and days with no stop but some games such as spore i can play for about an hour then my comp turns off i tryed to raise the fan speed of my graphic card but it didnt help. my spec are, if u need to know more please ask i need to know why this happends



Operating System System Model
Windows Vista Ultimate (x64) Service Pack 1 (build 6001)
Install Language: English (United States)
System Locale: English (Canada) No details available
Processor a Main Circuit Board b
3.00 gigahertz AMD Phenom II X4 940
512 kilobyte primary memory cache
2048 kilobyte secondary memory cache
6144 kilobyte tertiary memory cache
64-bit ready
Multi-core (4 total)
Not hyper-threaded Board: ASUSTeK Computer INC. M4A79 Deluxe Rev 1.xx
Serial Number: MS1C8CBKFA00447
Bus Clock: 200 megahertz
BIOS: American Megatrends Inc. 0701 01/06/2009
Drives Memory Modules c,d
500.11 Gigabytes Usable Hard Drive Capacity
209.42 Gigabytes Hard Drive Free Space

HL-DT-ST DVD-RAM GH22NS30 ATA Device [CD-ROM drive]
YRI GLEJ8XYNG SCSI CdRom Device [CD-ROM drive]

WDC WD5000AAKS-22A7B2 ATA Device [Hard drive] (500.11 GB) -- drive 0, s/n 2020202057202d444d5753413459343935323230, SMART Status: Healthy 8192 Megabytes Usable Installed Memory

Slot 'DIMM0' has 2048 MB (serial number SerNum00)
Slot 'DIMM1' has 2048 MB (serial number SerNum01)
Slot 'DIMM2' has 2048 MB (serial number SerNum02)
Slot 'DIMM3' has 2048 MB (serial number SerNum03)
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c: (NTFS on drive 0) 500.11 GB 209.42 GB free

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ATA Channel 1 [Controller] (2x)
Standard Dual Channel PCI IDE Controller (2x) ATI Radeon HD 4870 X2 [Display adapter] (2x)
Acer P244W [Monitor] (24.0"vis, s/n LEB0D0078520, August 2008)
Bus Adapters Multimedia
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primary IP Address: 192.168.1.100 / 24
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Onus

Onus

Titan
Jan 27, 2006
37,037
12
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You have more or less ruled out an overheating graphics card. How are your CPU temps?
Since this is a shutoff and not a crash, I am most inclined to suspect the PSU. You have two HD4870X2 cards in Crossfire? They pull a lot of juice when gaming. What brand and model PSU do you have? Remove one of the graphics cards. Do you still get shutdowns?
 
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demoniciisniper

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Feb 20, 2010
3
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18,510


its just one card thats the full name i was told it was like having two cards in one though my cpu is running at 37c the PSU is an Ultra X3 thats all the box says sorry and also when it does turn off i have to go to the back of the psu turn in off manualy then back on to turn it on the computer or it will not reboot
 
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Onus

Onus

Titan
Jan 27, 2006
37,037
12
89,965
With few exceptions, Ultra PSUs are not known for quality.
I went here: http://www.extreme.outervision.com/psucalculatorlite.jsp and, based on a few assumptions about fans, and minimal capacitor aging, I got 547W for your system. To allow it to operate in a more efficient part of its range, I would suggest you find a quality PSU around 650W. Look for a modern design featuring full range active PFC (no little voltage switch) and 80+ certification. Antec, Corsair, Seasonic, PC Power & Cooling, and Enermax are among the better brands.
 
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demoniciisniper

Distinguished
Feb 20, 2010
3
0
18,510


my temp is around 75
 
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allhands

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Jan 21, 2008
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18,680
good call jtt it might be a PSU problem. I would also make sure your CPU is getting the right amount of cooling. You said the temps are around 75 which is a little high. What are they like when playing games when your computer turns off?
 
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Guest

Guest
hi i had the same problem took me 6 months to finally solve it.
after checking .bios settings. possable over heating .graphics card .virused.plus every other internet solutions all which did not work.
it turned out to be the pc monitor . it looked and performed perfect untill i played high end graphic games.
so i changed to a older monitor which i had spare and the problem completly disapeared. i hope you and many more people find this info to be a end to a very frustrating problem. see if tou could borrow one from a friend. deano
 
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