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07-27-2007, 05:06 PM
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#1 |
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Member (2 bit)
Join Date: Jul 2007
Posts: 3
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Won't boot
I am building a new gaming machine with the following spec:
Intel QX6700 CPU Patriot DDR2/800 2gb RAM x 2 Thermaltake 850W ToughPower PSU BFG 8800GTX 768MB OC2 ASUS P5N32-E SLI M/B When I test the mb (not in the case (Thermaltake TaiChi Liquid Cool)) with the CPU, 1 stick of RAM, and video card, the mb light comes on, but will not power up. The PSU only powers up for 3-5 seconds before completly shutting down. Bothe the 24 pin and 8 pin PSU cables are connected to the mb. I am on my second PSU and mb. Any help is greatly appreciated, ~ gerald |
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07-27-2007, 05:14 PM
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#2 |
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Tanker Yanker
Premium Member
Join Date: Nov 2001
Location: Lewisville TX
Posts: 2,920
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Sounds like a bad psu.. try another one if you have it..If not go a buy another if it works then return the doa.. This has happened to me before..
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MB: DFI Lanparty UT-NF4 SLI-D/Processor AMD Athlon 64x2 Toledo/video Card:XFX 9800GTX+/Audio:Sound Blaster Audigy 4/Ram:Corsair XMS Extreme 4x1Gig PC3200/HD:1x150GBWestern Digital Raptor 1x80GB Segate Beracuda 7200 SATA /Monitor:ASUS VS247 H-P 23.6"/Keyboard Mouse:Logitech Cordless Wave/Speakers: Logitech G51/Printer/Fax/Scanner:Brother MFC-685CW |
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07-28-2007, 03:38 PM
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#3 |
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Member (2 bit)
Join Date: Jul 2007
Posts: 3
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Bought a new 850W PSU and same thing is happening. I just discovered that the PATRIOT 2GB DIMM are not on the ASUS QVL. Could that be the problem?
Any other ideas, Thx ~ gerald Last edited by geralds141; 07-28-2007 at 03:44 PM. |
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07-28-2007, 03:58 PM
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#4 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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Generally, when you have a momentary power on then off on a new build, the problem is: CPU Heatsink not fully installed correctly(CPU overheats)
Bad PSU Possibly a bad motherboard How about trying to power on with just the PSU,motherboard, and CPU(with the heatsink). If it stays on without the video card or ram then one of the two are suspect.
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"When sliding down the banister of life; look out for splinters pointing up."
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08-04-2007, 12:49 PM
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#5 |
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Member (2 bit)
Join Date: Jul 2007
Posts: 3
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Just got the MB from ASUS and am still having the same problem. Only have PSU, MB, CPU and heat sink installed. Can a bad CPU do this as well? It is the only thing not yet replaced.
Thanks, - gerald |
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08-04-2007, 02:43 PM
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#6 |
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Wrench Bender
Join Date: Dec 2002
Location: Plymouth,MN
Posts: 5,961
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A bad CPU is a possiblity. An other possiblity is that the motherboard may need a BIOS up-date for the QX6700. Another cause is adding thermal compound to the to the CPU or heatsink without removing the thermal pad on the retail Heatsink. This can act as an insolator causing the CPU to overheat.
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