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MAJOR help needed with a b new build

post #1 of 4
Thread Starter 
I'm working on my second build which happens to be a HTPC. I put it all together and it had problems booting. It wouldn't even POST. It would turn on with fans and hard drives for three seconds then shutdown. It would then turn back on and off until I killed it at the PSU.

I then did extensive troubleshooting. First I took out all HDs and DVD Drives just to get it to try to POST. Nothing. I switched power supplies, CPUs, memory, motherboards, video cards, everything. I am positive that all the replacements worked. The only way I could stop the repetitive rebooting was to take out the CPU power and boot, but obviously you can't boot with no CPU.

Any suggestions? What am I doing wrong? Will the PSU not work if it is turned a certain way? HELP!

Thank You,
Patrick
post #2 of 4
Which way the psu is turned doesnt affect it...First thing I would try is take it all apart and all back together again. Then start trying each part in your other computer to eliminate which parts work and which dont.
    
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CPUMotherboardGraphicsRAM
Q6600 @ 3Ghz GA-P35-DS3L Rev. 2.0 Powercooler 4870 8Gb GSkill 
Hard DriveOptical DriveOSMonitor
500Gb WD+640Gb WD Lite-on 20x Vista Home Premium 64x 1920x1200 24" +1400x1050 20" 
PowerCase
650 watt OP650 CM Stacker 830 
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post #3 of 4
Have you tried clearing your CMOS? Also, are you getting any post warning beeps, or even getting the mobo's splash screen? And also, did you try every combination of hardware? Like, and all of the known good stuff with the new PSU, and all of the new stuff with the known good PSU. Then, try the good memory with both PSUs, etc. Troubleshooting can be a MAJOR pain... Oh, and by the way, nice name
    
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CPUMotherboardGraphicsRAM
i7 4790k @ 4.7GHz Asus Z97 Pro Gaming EVGA 1080 Ti FTW3 @ 2050 MHz 32GB G Skill Sniper DDR3-2133 
Hard DriveHard DriveHard DriveOptical Drive
Intel 600p m.2 512GB Crucial M500 SSD 960GB Toshiba X300 HDD 3TB LG Blu Ray Burner 
CoolingOSMonitorMonitor
Cooler Master Nepton 240m Windows 10 Pro Samsung 34" Curved Ultrawide (3440x1440) Samsung 22" Portrait (1080x1920) 
KeyboardPowerCaseMouse
Poker II Cherry MX Brown, KBParadise V80 Cherry... EVGA G2 650W Cooler Master Silencio 652s Steelseries Sensei Wireless 
Mouse PadAudioAudio
Tekmat SIG 556 SMSL Q5 Pro DAC Bowers & Wilkins DM601 
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post #4 of 4
One thing I've found when working on a butchered store-bought build I have is that they have metal parts touch each other if pushed when the wires at the back are plugged in (mouse, keyboard, audio, power), as if it is your 2nd build it might not be perfect, and that could be the metal touching.
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College Desktop
(14 items)
 
  
CPUMotherboardGraphicsRAM
i7 930 3951A687 ASUS P6X58-E Pro Crossfire XFX 5870's 6 GB (3x2GB) G-Skill DDR3-1600 
Hard DriveOptical DriveOSMonitor
Intel 80GB SSD, 1 TB HDD DVD-RW Windows 7 Ultimate x64 19 inch Hanns G 
PowerCaseMouseMouse Pad
850w Corsair TX850 Cooler Master CM690II Razer DeathAdder 3.5G XTrac Ripper 
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24bit HifiMeDiy Sabre USB DAC -> JDS Labs O2 ->... 
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