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Problem with friends new build

post #1 of 10
Thread Starter 
I just assembled a friends build he got everything off the egg.

Thermaltake Armor
Xigmatek HDT cooler
Xigmatek 650w PSU (52A)
Q6600-OEM
Gigabyte X48-DS4
2x2Gb of G.skill DDR2-1066
2 Powercooler HD4850's in crossfire

The computer boots up and all the fans spin(the cpu fan stops after a few seconds but i think thats normal).

Then after 5 seconds it just turns off and reboots. It did the exact same thing with the 8-pin cpu connector not connected at all becuase i only had the 4-pin in.

What could the problem be? All the motherboard lights and everything turn on. It seems like a really easy fix....

I have interchanged each graphics card and ram stick to see if one could have possibly been bad but still the same thing.


EDIT: Okay we have noticed something....when an 8-pin or 4-pin cpu power connector is plugged into the motherboard, the computer will boot and then continue to reboot 5 seconds in. When there is NOTHING plugged into the 8-pin cpu power connector the computer will boot and STAY on ut not display picture. Which is common when you forgot to plug in the cpu power connector from my experience. This makes me think either that single connector is bad or the PSU connector is bad but i doubt it's the PSU. I'm going to try a crappy G31 board that i know works tomorrow. However if anyone has any input
Edited by Sora1421 - 7/7/08 at 5:26pm
post #2 of 10
So you have no video, computer starts up but only stays on for a few seconds and then shuts off. Do you have any beep codes when you start it up?
post #3 of 10
Thread Starter 
Quote:
Originally Posted by Mattb2e View Post
So you have no video, computer starts up but only stays on for a few seconds and then shuts off. Do you have any beep codes when you start it up?
yes when nothing is plugged into the 8-pin cpu power connector then it starts and stays on but displays no picture with no beeps. With the cpu power connector plugged it it just restarts every 5 seconds with no beeps or picture. Im bringing over my G31 board and another PSU to try it out...my guess is that the board is DOA, or at least the one connector is.
post #4 of 10
Try setting up with one card first.
    
CPUMotherboardGraphicsRAM
X4 965 ASUS M4A79 Deluxe 9800GTx2 2x2G OCZ Reapers 
Hard DriveOptical DriveOSMonitor
500G WD Black LiteOn CD/DVD R/W Win7 64 22'' ws Acer AL2223W 
KeyboardPowerMouse
MS KU462 Natural SS DA750 MS 5 button 
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CPUMotherboardGraphicsRAM
X4 965 ASUS M4A79 Deluxe 9800GTx2 2x2G OCZ Reapers 
Hard DriveOptical DriveOSMonitor
500G WD Black LiteOn CD/DVD R/W Win7 64 22'' ws Acer AL2223W 
KeyboardPowerMouse
MS KU462 Natural SS DA750 MS 5 button 
  hide details  
Reply
post #5 of 10
Quote:
Originally Posted by The Duke View Post
Try setting up with one card first.
Agreed! I have problems installing 2 cards at the same time. All I do is install 1 card, install ATI CCC, then install the second card.

I would also recommend clearing the bios first.
My System
(16 items)
 
  
CPUMotherboardGraphicsRAM
6850K ASUS X99-AII eVGA GTX 1060 32Gb Team Vulcan DDR4 3000 Cas 15 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 EVO NVME Crucial M500 Seagate HDD Samsung F3 
CoolingOSMonitorKeyboard
H100i Windows 10 Pro 64 Samsung KU6300 40" Corsair K70 Vengeance 
PowerCaseMouse
Seasonic Gold 750W Phantek Enthoo Pro M Logitech G9X 
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My System
(16 items)
 
  
CPUMotherboardGraphicsRAM
6850K ASUS X99-AII eVGA GTX 1060 32Gb Team Vulcan DDR4 3000 Cas 15 
Hard DriveHard DriveHard DriveHard Drive
Samsung 960 EVO NVME Crucial M500 Seagate HDD Samsung F3 
CoolingOSMonitorKeyboard
H100i Windows 10 Pro 64 Samsung KU6300 40" Corsair K70 Vengeance 
PowerCaseMouse
Seasonic Gold 750W Phantek Enthoo Pro M Logitech G9X 
  hide details  
Reply
post #6 of 10
Thread Starter 
tried with only one card....going to test mobo now.
post #7 of 10
Motherboards are manufactured to give a beep code when an error occurs, its kinda weird you have no video, it automatically restarts and there is no beep codes. Dont the 4850's require two power connectors a piece? do you have both plugged in? If it was something to do with the motherboard I would suspect that you would get a beep code of some sort. I looked at the memory qualified vendors list and the ram he has isnt on it, im sure that may not be the cause but it very well could be, if you have a different brand of ddr2 try that. im currently downloading the manual to see if there is anything that we could be missing here.
post #8 of 10
The little diagnostic chart leads me to the graphics card, being that you have no video and no beep codes that could possibly be the problem, wierd though to have two bad cards, two brand new ones at that. Do you have a known good graphics card available?
post #9 of 10
Thread Starter 
It was the mobo...tried a different one. Going to have to rma the board
post #10 of 10
Strange... at least you were able to identify that it was a bad board
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