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Diagnosis

post #1 of 4
Thread Starter 
I have a computer that wouldn't turn on. Press power button, nothing happens. So I figured it was the motherboard since I read reviews that a lot of people have reported problems with the motherboard. I RMA it and I get a new one. Now it's doing the same thing but this time the CPU fan is spinning. So I'm assuming the motherboard works. The second time I tested it with a different PSU. So what can be the culprit?
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First i5!
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post #2 of 4
If you haven't got a spare PC to test things with, try asking friends and family for a PC compatible with yours but which they can afford to miss.
It's hard to find out what parts are broken if you can't test it, which is exactly what you should do. Well, that or buy an entirely new PC which I assume isn't an option for you.

But for starters, what rig do you have? Or are you talking about your sig rig? smile.gif
 
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Corsair 32GB 2133MHz DDR3 RAM WD Caviar Green 3TB x4 - 12TB WD My Book 3TB WD My Book 2TB x2 - 4TB 
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Crucial M4 512GB External optical drive Swiftech MCR420-QP 480 Radiator Yate Loon D12SL-12 1350RPM x15 
CoolingCoolingCoolingCooling
Alphacool VPP655 -T12 x2 Alphacool Repack - Dual Laing D5 - Dual 5,25 Ba... DangerDen Delrin 90° G1/4 connector EK-FB KIT RE4 - Acetal+Nickel EN 
CoolingCoolingCoolingCooling
EK-FC Bridge DUAL Parallel EK-FC7970 - Nickel EN Acetal x2 EK-FC7970 Backplate - Black x2 EK-VGA I/O bracket HD7970 x2 
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Feser Tube UV - HighFlow - 3/8 ID - 1/2 OD - BLACK Lamptron FC9 Fan Controller 4-channel 50W FC-9-... Windows 7 Ultimate x64 Samsung Syncmaster S27A750D x2 
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Mountain Mods Ascension Razer Mamba Razer Goliathus Extended Control Edition ASUS ROG Phoebus 9.1 Soundcard 
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i7 3930K C2 @4.7GHz ASUS Rampage IV Extreme/BF3 ASUS Radeon HD 7970 12GB Corsair Dominator 1600MHz memory 
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Crucial M4 128GB 7 TB External HDDs 2.2 TB HDDs in Raid0 Black Ice GT Stealth 360 
CoolingCoolingCoolingCooling
Swiftech Apogee HD 7x Yate Loon D12SL-12 XSPC X2O 750 Dual Bay Reservoir+Pump Phobya Nano-G 14 Silent Waterproof 140mm - 1000rpm 
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BitFenix PCIe 6-Pin to 6-Pin Cable - 45 cm - Pr... BitFenix USB 2.0 internal extension - 30 cm - P... BitFenix PCIe 8-Pin to 8-Pin Cable - 45 cm - Pr... Sweex US011 4-poorts USB Hub 
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i7 3930K @ 4.7GHz ASUS Rampage IV Extreme ASUS Radeon HD7970 ASUS Radeon HD7970 
RAMHard DriveHard DriveHard Drive
Corsair 32GB 2133MHz DDR3 RAM WD Caviar Green 3TB x4 - 12TB WD My Book 3TB WD My Book 2TB x2 - 4TB 
Hard DriveOptical DriveCoolingCooling
Crucial M4 512GB External optical drive Swiftech MCR420-QP 480 Radiator Yate Loon D12SL-12 1350RPM x15 
CoolingCoolingCoolingCooling
Alphacool VPP655 -T12 x2 Alphacool Repack - Dual Laing D5 - Dual 5,25 Ba... DangerDen Delrin 90° G1/4 connector EK-FB KIT RE4 - Acetal+Nickel EN 
CoolingCoolingCoolingCooling
EK-FC Bridge DUAL Parallel EK-FC7970 - Nickel EN Acetal x2 EK-FC7970 Backplate - Black x2 EK-VGA I/O bracket HD7970 x2 
CoolingCoolingOSMonitor
Feser Tube UV - HighFlow - 3/8 ID - 1/2 OD - BLACK Lamptron FC9 Fan Controller 4-channel 50W FC-9-... Windows 7 Ultimate x64 Samsung Syncmaster S27A750D x2 
MonitorMonitorKeyboardPower
IIYAMA G2773HDS-GB1 LG 37LF2500 Razer Blackwidow Ultimate Corsair AX1200W 
CaseMouseMouse PadAudio
Mountain Mods Ascension Razer Mamba Razer Goliathus Extended Control Edition ASUS ROG Phoebus 9.1 Soundcard 
AudioAudioOther
CM Storm Sirus 5.1 Headset Teufel Concept E 400 Digital Media 5.1 Surround... Canon MG6250 MultiFunctional Printer 
CPUMotherboardGraphicsRAM
i7 3930K C2 @4.7GHz ASUS Rampage IV Extreme/BF3 ASUS Radeon HD 7970 12GB Corsair Dominator 1600MHz memory 
Hard DriveHard DriveHard DriveCooling
Crucial M4 128GB 7 TB External HDDs 2.2 TB HDDs in Raid0 Black Ice GT Stealth 360 
CoolingCoolingCoolingCooling
Swiftech Apogee HD 7x Yate Loon D12SL-12 XSPC X2O 750 Dual Bay Reservoir+Pump Phobya Nano-G 14 Silent Waterproof 140mm - 1000rpm 
CoolingCoolingOSMonitor
10MM (3/8) Compression Fitting Gripz Style - G1... PVC Tube 3/8 ID (10mm ID -13 mm OD ) - 2 meter ... Windows 7 Ultimate LG 37LF2500 
KeyboardPowerCaseMouse
Logitech G15 Corsair HW 750W Cooler Master Cosmos II Razer Naga 
Mouse PadAudioOtherOther
Steelseries SK Gaming Mouse Pad Creative HS 1200 NZXT 12x Red LED Sleeve - 1M NZXT 12x Red LED Sleeve - 1M 
OtherOtherOtherOther
BitFenix PCIe 6-Pin to 6-Pin Cable - 45 cm - Pr... BitFenix USB 2.0 internal extension - 30 cm - P... BitFenix PCIe 8-Pin to 8-Pin Cable - 45 cm - Pr... Sweex US011 4-poorts USB Hub 
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post #3 of 4
Thread Starter 
Oh I'm using my sig rig as spare pieces. this is my friends PC, I'm just looking for a way to diagnose the problem. Just trying to find a way to diagnose. I'm just testing his parts on my motherboard. One by one. I assume that's the correct way?

I've attached my PSU to this motherboard and the CPU fans spin. Is that a good sign?
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500GB WD AALS Lite-On DVD Burner Corsair H60 Win 7 Ultimate x64 
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First i5!
(14 items)
 
  
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i5 750 ASUS Maximus iii GENE Sapphire HD5850 8GB G.Skill Ripjaws 
Hard DriveOptical DriveCoolingOS
500GB WD AALS Lite-On DVD Burner Corsair H60 Win 7 Ultimate x64 
MonitorKeyboardPowerCase
Qnix QX2710 Razer BlackWidow Corsair 750HX Silverstone Raven RV03 
Mouse
Razer Mamba 
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post #4 of 4
Just be aware that you can't plug in an AMD cpu in an LGA 1155 MoBo of course, or whatever other CPU your friend has. wink.gif
So, if you're able to attach your PSU to your MoBo (I knew some old PSUs that couldn't attach to my own MoBo a while ago) and the CPU fans spin, does your PC start up to Windows as well? Because if only the cpu fans spin, that's not entirely a good sign, if the only thing you replaced is your PSU with the one of your friend.

But if you ask me, it's either the CPU or the PSU. I know of no other PC-parts that could just result in a "no-power-at-all"-situation.
As far as I know, it can't be the GPU because one can usually just unplug the GPU while the PC is running and it would only result in a logical black screen.
 
BloodFury Build
(30 items)
 
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.7GHz ASUS Rampage IV Extreme ASUS Radeon HD7970 ASUS Radeon HD7970 
RAMHard DriveHard DriveHard Drive
Corsair 32GB 2133MHz DDR3 RAM WD Caviar Green 3TB x4 - 12TB WD My Book 3TB WD My Book 2TB x2 - 4TB 
Hard DriveOptical DriveCoolingCooling
Crucial M4 512GB External optical drive Swiftech MCR420-QP 480 Radiator Yate Loon D12SL-12 1350RPM x15 
CoolingCoolingCoolingCooling
Alphacool VPP655 -T12 x2 Alphacool Repack - Dual Laing D5 - Dual 5,25 Ba... DangerDen Delrin 90° G1/4 connector EK-FB KIT RE4 - Acetal+Nickel EN 
CoolingCoolingCoolingCooling
EK-FC Bridge DUAL Parallel EK-FC7970 - Nickel EN Acetal x2 EK-FC7970 Backplate - Black x2 EK-VGA I/O bracket HD7970 x2 
CoolingCoolingOSMonitor
Feser Tube UV - HighFlow - 3/8 ID - 1/2 OD - BLACK Lamptron FC9 Fan Controller 4-channel 50W FC-9-... Windows 7 Ultimate x64 Samsung Syncmaster S27A750D x2 
MonitorMonitorKeyboardPower
IIYAMA G2773HDS-GB1 LG 37LF2500 Razer Blackwidow Ultimate Corsair AX1200W 
CaseMouseMouse PadAudio
Mountain Mods Ascension Razer Mamba Razer Goliathus Extended Control Edition ASUS ROG Phoebus 9.1 Soundcard 
AudioAudioOther
CM Storm Sirus 5.1 Headset Teufel Concept E 400 Digital Media 5.1 Surround... Canon MG6250 MultiFunctional Printer 
CPUMotherboardGraphicsRAM
i7 3930K C2 @4.7GHz ASUS Rampage IV Extreme/BF3 ASUS Radeon HD 7970 12GB Corsair Dominator 1600MHz memory 
Hard DriveHard DriveHard DriveCooling
Crucial M4 128GB 7 TB External HDDs 2.2 TB HDDs in Raid0 Black Ice GT Stealth 360 
CoolingCoolingCoolingCooling
Swiftech Apogee HD 7x Yate Loon D12SL-12 XSPC X2O 750 Dual Bay Reservoir+Pump Phobya Nano-G 14 Silent Waterproof 140mm - 1000rpm 
CoolingCoolingOSMonitor
10MM (3/8) Compression Fitting Gripz Style - G1... PVC Tube 3/8 ID (10mm ID -13 mm OD ) - 2 meter ... Windows 7 Ultimate LG 37LF2500 
KeyboardPowerCaseMouse
Logitech G15 Corsair HW 750W Cooler Master Cosmos II Razer Naga 
Mouse PadAudioOtherOther
Steelseries SK Gaming Mouse Pad Creative HS 1200 NZXT 12x Red LED Sleeve - 1M NZXT 12x Red LED Sleeve - 1M 
OtherOtherOtherOther
BitFenix PCIe 6-Pin to 6-Pin Cable - 45 cm - Pr... BitFenix USB 2.0 internal extension - 30 cm - P... BitFenix PCIe 8-Pin to 8-Pin Cable - 45 cm - Pr... Sweex US011 4-poorts USB Hub 
OtherOther
3-Pin Splitter naar 4x 3-Pin Fan - Sleeved UVRe... BitFenix Molex to 3x Molex 55cm - Premium Sleev... 
  hide details  
Reply
 
BloodFury Build
(30 items)
 
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.7GHz ASUS Rampage IV Extreme ASUS Radeon HD7970 ASUS Radeon HD7970 
RAMHard DriveHard DriveHard Drive
Corsair 32GB 2133MHz DDR3 RAM WD Caviar Green 3TB x4 - 12TB WD My Book 3TB WD My Book 2TB x2 - 4TB 
Hard DriveOptical DriveCoolingCooling
Crucial M4 512GB External optical drive Swiftech MCR420-QP 480 Radiator Yate Loon D12SL-12 1350RPM x15 
CoolingCoolingCoolingCooling
Alphacool VPP655 -T12 x2 Alphacool Repack - Dual Laing D5 - Dual 5,25 Ba... DangerDen Delrin 90° G1/4 connector EK-FB KIT RE4 - Acetal+Nickel EN 
CoolingCoolingCoolingCooling
EK-FC Bridge DUAL Parallel EK-FC7970 - Nickel EN Acetal x2 EK-FC7970 Backplate - Black x2 EK-VGA I/O bracket HD7970 x2 
CoolingCoolingOSMonitor
Feser Tube UV - HighFlow - 3/8 ID - 1/2 OD - BLACK Lamptron FC9 Fan Controller 4-channel 50W FC-9-... Windows 7 Ultimate x64 Samsung Syncmaster S27A750D x2 
MonitorMonitorKeyboardPower
IIYAMA G2773HDS-GB1 LG 37LF2500 Razer Blackwidow Ultimate Corsair AX1200W 
CaseMouseMouse PadAudio
Mountain Mods Ascension Razer Mamba Razer Goliathus Extended Control Edition ASUS ROG Phoebus 9.1 Soundcard 
AudioAudioOther
CM Storm Sirus 5.1 Headset Teufel Concept E 400 Digital Media 5.1 Surround... Canon MG6250 MultiFunctional Printer 
CPUMotherboardGraphicsRAM
i7 3930K C2 @4.7GHz ASUS Rampage IV Extreme/BF3 ASUS Radeon HD 7970 12GB Corsair Dominator 1600MHz memory 
Hard DriveHard DriveHard DriveCooling
Crucial M4 128GB 7 TB External HDDs 2.2 TB HDDs in Raid0 Black Ice GT Stealth 360 
CoolingCoolingCoolingCooling
Swiftech Apogee HD 7x Yate Loon D12SL-12 XSPC X2O 750 Dual Bay Reservoir+Pump Phobya Nano-G 14 Silent Waterproof 140mm - 1000rpm 
CoolingCoolingOSMonitor
10MM (3/8) Compression Fitting Gripz Style - G1... PVC Tube 3/8 ID (10mm ID -13 mm OD ) - 2 meter ... Windows 7 Ultimate LG 37LF2500 
KeyboardPowerCaseMouse
Logitech G15 Corsair HW 750W Cooler Master Cosmos II Razer Naga 
Mouse PadAudioOtherOther
Steelseries SK Gaming Mouse Pad Creative HS 1200 NZXT 12x Red LED Sleeve - 1M NZXT 12x Red LED Sleeve - 1M 
OtherOtherOtherOther
BitFenix PCIe 6-Pin to 6-Pin Cable - 45 cm - Pr... BitFenix USB 2.0 internal extension - 30 cm - P... BitFenix PCIe 8-Pin to 8-Pin Cable - 45 cm - Pr... Sweex US011 4-poorts USB Hub 
OtherOther
3-Pin Splitter naar 4x 3-Pin Fan - Sleeved UVRe... BitFenix Molex to 3x Molex 55cm - Premium Sleev... 
  hide details  
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