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Motherboard or PSU dead?

post #1 of 2
8/17/12 at 9:25am
Thread Starter 
I'm having issues figuring out what is wrong with my brother's computer. It clearly has power and I replaced the motherboard with a SUPPOSEDLY working board, but still no go. The lights turn on, the fans spin, but it refuses to POST or boot. Is it possible that part of the PSU is dead? Can just the 4 pin die? The motherboard power light turns on and I've tested every other component successfully. I'm at a loss other than to believe that the new motherboard is dead as well, or the PSU is the real issue. Thanks.
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(15 items)
  		  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3.8ghz 1.45v VID 1.2625 Asus P5Q Pro P45 HD 7850 (2x2) 4gb Gskill 
Hard DriveOptical DriveOSMonitor
(2) 250gb WD RAID0 + 1.5TB Seagate + 1TB Seagate Lite On 20x dvd-rw Windows 7 Dell 24" E248WFP 1920x1200 
MonitorKeyboardPowerCase
Asus 24" G15 650w Antec Antec 900 
MouseAudio
G7 Sennheiser HD212 
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My little pooberry.
(15 items)
  		  
CPUMotherboardGraphicsRAM
Q6600 G0 @ 3.8ghz 1.45v VID 1.2625 Asus P5Q Pro P45 HD 7850 (2x2) 4gb Gskill 
Hard DriveOptical DriveOSMonitor
(2) 250gb WD RAID0 + 1.5TB Seagate + 1TB Seagate Lite On 20x dvd-rw Windows 7 Dell 24" E248WFP 1920x1200 
MonitorKeyboardPowerCase
Asus 24" G15 650w Antec Antec 900 
MouseAudio
G7 Sennheiser HD212 
View all
  hide details  
Reply
post #2 of 2
8/17/12 at 10:25am
If your sure about the motherboard being "good" then it's clearly the PSU, if it doesn't boot, and again you're sure about the CPU and RAM, you're left out of culprits, it's the PSU.
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