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[Solved] Computer not starting when plugging in graphics card(s)

post #1 of 8
Thread Starter 
setting up a mining rig, Installed the OS etc via the mobo's vga works fine, runs stable. When I was ready to hook up the graphics cards, the computer tried to start several times but wouldnt. Thinking well lets just try one gpu, I unplugged all of them but one, same problem. unplugged them all, worked just fine with no gpus. the gpus are 4 7850's. Anyone have any idea what might be the culprit?
new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
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new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
PowerCaseMouse
Corsair 750TX HAF 932 G500 
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post #2 of 8
What power supply? Maybe not enough power.
GAMINGEVOLVED
(18 items)
 
PRODUCTION
(19 items)
 
16TB_MININAS
(8 items)
 
CPUMotherboardGraphicsRAM
AMD FX-6350 FX-Series 6-Core Black Edition ASRock MB-990EX4 Socket AM3 / AMD 990FX/ AMD Qu... XFX Radeon 390X 4x (16gb) CORSAIR XMS3 4GB 240-Pin DDR3 SDRAM D... 
Hard DriveHard DriveHard DriveOptical Drive
A swappable SSD for each OS (Win7, Mac, Linux) Kingston SSDNow 120GB Eluktronics 1TB SSD ASUS 18X DVD±R DVD Burner with LightScribe and ... 
CoolingOSMonitorKeyboard
ARCTIC Freezer 7 Pro Rev. 2, CPU Cooler - Intel... Windows7, Mac & Linux Insignia 32" LED 1080p HDTV (32D512NA15)  Rosewill Mechanical Keyboard with Cherry MX Blu... 
PowerCaseMouseMouse Pad
CORSAIR TX Series CMPSU-650TX 650W ATX12V / EPS... AZZA Toledo 301 (CSAZ-301) Black SECC Steel ATX... Logitech MX 518 High Performance Optical Gaming... Oversized 17-1/4 x 13-3/4 
AudioOther
Bluegears BGI-HDAXM-G HDA Digital X-Mystique 7.... Cougar Turbine CF-T12S4 120mm Case Fan 
CPUMotherboardGraphicsRAM
AMD FD8350FRHKBOX FX-8350 FX-Series 8-Core Blac... GIGABYTE GA-990FXA-UD3 AM3+ AMD 990FX SATA 6Gb/... Gigabyte AMD Radeon HD 7750 2GB DDR3 2x DVI-D/H... 2x (32GB) G.SKILL Ripjaws X Series 16GB (2 x 8G... 
Hard DriveHard DriveHard DriveHard Drive
SAMSUNG 830 Series 2.5-Inch 64GB SATA III MLC I... SAMSUNG EcoGreen F2 HD103SI 1TB 5400 RPM 32MB C... OCZ ARC 100 OCZ Vertex 460A 
Optical DriveCoolingOSMonitor
LG Black 12X Blu-ray Combo Drive SATA Model UH1... ARCTIC Freezer 13 CPU Cooler - Intel & AMD, 200... Windows 7 x64 Lite ACHIEVA QH270-Lite 27" Shimian LED Monitor 2560... 
KeyboardPowerCaseMouse
Rosewill Mechanical Keyboard RK-9000I with Cher...  HighPower Astro AGD-600F 80+ GOLD 600W ATX12V/... AZZA Helios 910 Black Japanese SECC Steel ATX M... Logitech G500 10 Buttons Dual-mode Scroll Wheel... 
Mouse PadAudioOther
HandStands 15S07 Super Mouse Pad Creative Professional E-MU 0202 USB 2.0 Rosewill RSV-SATA-Cage-34 Black 3x5.25" to 4x3.... 
CPUMotherboardGraphicsRAM
AMD A4-5300 APU MSI FM2-A75IA-E53 AMD Radeon 7480D Kingston 1600C9D3/4GX 
Hard DriveHard DriveCaseOther
4x Seagate ST4000DM000 Generic 16GB mSata SSD CFI A7879 Mini-ITX  Seahorse SE-540 Case 
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GAMINGEVOLVED
(18 items)
 
PRODUCTION
(19 items)
 
16TB_MININAS
(8 items)
 
CPUMotherboardGraphicsRAM
AMD FX-6350 FX-Series 6-Core Black Edition ASRock MB-990EX4 Socket AM3 / AMD 990FX/ AMD Qu... XFX Radeon 390X 4x (16gb) CORSAIR XMS3 4GB 240-Pin DDR3 SDRAM D... 
Hard DriveHard DriveHard DriveOptical Drive
A swappable SSD for each OS (Win7, Mac, Linux) Kingston SSDNow 120GB Eluktronics 1TB SSD ASUS 18X DVD±R DVD Burner with LightScribe and ... 
CoolingOSMonitorKeyboard
ARCTIC Freezer 7 Pro Rev. 2, CPU Cooler - Intel... Windows7, Mac & Linux Insignia 32" LED 1080p HDTV (32D512NA15)  Rosewill Mechanical Keyboard with Cherry MX Blu... 
PowerCaseMouseMouse Pad
CORSAIR TX Series CMPSU-650TX 650W ATX12V / EPS... AZZA Toledo 301 (CSAZ-301) Black SECC Steel ATX... Logitech MX 518 High Performance Optical Gaming... Oversized 17-1/4 x 13-3/4 
AudioOther
Bluegears BGI-HDAXM-G HDA Digital X-Mystique 7.... Cougar Turbine CF-T12S4 120mm Case Fan 
CPUMotherboardGraphicsRAM
AMD FD8350FRHKBOX FX-8350 FX-Series 8-Core Blac... GIGABYTE GA-990FXA-UD3 AM3+ AMD 990FX SATA 6Gb/... Gigabyte AMD Radeon HD 7750 2GB DDR3 2x DVI-D/H... 2x (32GB) G.SKILL Ripjaws X Series 16GB (2 x 8G... 
Hard DriveHard DriveHard DriveHard Drive
SAMSUNG 830 Series 2.5-Inch 64GB SATA III MLC I... SAMSUNG EcoGreen F2 HD103SI 1TB 5400 RPM 32MB C... OCZ ARC 100 OCZ Vertex 460A 
Optical DriveCoolingOSMonitor
LG Black 12X Blu-ray Combo Drive SATA Model UH1... ARCTIC Freezer 13 CPU Cooler - Intel & AMD, 200... Windows 7 x64 Lite ACHIEVA QH270-Lite 27" Shimian LED Monitor 2560... 
KeyboardPowerCaseMouse
Rosewill Mechanical Keyboard RK-9000I with Cher...  HighPower Astro AGD-600F 80+ GOLD 600W ATX12V/... AZZA Helios 910 Black Japanese SECC Steel ATX M... Logitech G500 10 Buttons Dual-mode Scroll Wheel... 
Mouse PadAudioOther
HandStands 15S07 Super Mouse Pad Creative Professional E-MU 0202 USB 2.0 Rosewill RSV-SATA-Cage-34 Black 3x5.25" to 4x3.... 
CPUMotherboardGraphicsRAM
AMD A4-5300 APU MSI FM2-A75IA-E53 AMD Radeon 7480D Kingston 1600C9D3/4GX 
Hard DriveHard DriveCaseOther
4x Seagate ST4000DM000 Generic 16GB mSata SSD CFI A7879 Mini-ITX  Seahorse SE-540 Case 
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post #3 of 8
That's what i am thinking, possibly power supply.
     
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i7 3820 ASRock Fatal1ty X79 Professional Sapphire + Gigabyte R9 290X CF WC'd 16GB G. Skill Ripjaws Z 
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2x 3TB Seagate Barracuda 7200.14 RAID 1 2x 250GB Samsung 840 Series SSD RAID 1 Samsung Burner w/ Lightscribe Custom Watercooling 
OSMonitorKeyboardPower
Windows 10 Professional 64-bit LG 34UC88 (3440x1440) + Crossover 27Q 1440p Roccat Ryos MK Pro Cherry MX Brown Cooler Master Silent Pro 1200W Gold 
CaseMouseMouse PadAudio
Cooler Master HAF 922 w/ Dust Filters Roccat Kone XTD + Roccat Apuri 2x XFX Warpad Glow DAC One + Amp One > K702/65 
AudioOther
Yamaha Receiver + 5.1 Xbox One Wireless Controller 
CPUMotherboardGraphicsRAM
Intel Core i5 540M @ 3.33Ghz DC 3.65Ghz SC Acer Intel HD 3000 + ATi Radeon HD 5650M Switchable 4GB 
Hard DriveOSMonitorMouse
OCZ Vertex 2 SSD Windows 7 Ultimate SP1 x64 13.3" 1366x768 G700 
Audio
iBasso D-Zero Headphone AMP + DAC 
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CPUMotherboardGraphicsRAM
i7 3820 ASRock Fatal1ty X79 Professional Sapphire + Gigabyte R9 290X CF WC'd 16GB G. Skill Ripjaws Z 
Hard DriveHard DriveOptical DriveCooling
2x 3TB Seagate Barracuda 7200.14 RAID 1 2x 250GB Samsung 840 Series SSD RAID 1 Samsung Burner w/ Lightscribe Custom Watercooling 
OSMonitorKeyboardPower
Windows 10 Professional 64-bit LG 34UC88 (3440x1440) + Crossover 27Q 1440p Roccat Ryos MK Pro Cherry MX Brown Cooler Master Silent Pro 1200W Gold 
CaseMouseMouse PadAudio
Cooler Master HAF 922 w/ Dust Filters Roccat Kone XTD + Roccat Apuri 2x XFX Warpad Glow DAC One + Amp One > K702/65 
AudioOther
Yamaha Receiver + 5.1 Xbox One Wireless Controller 
CPUMotherboardGraphicsRAM
Intel Core i5 540M @ 3.33Ghz DC 3.65Ghz SC Acer Intel HD 3000 + ATi Radeon HD 5650M Switchable 4GB 
Hard DriveOSMonitorMouse
OCZ Vertex 2 SSD Windows 7 Ultimate SP1 x64 13.3" 1366x768 G700 
Audio
iBasso D-Zero Headphone AMP + DAC 
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post #4 of 8
well mining is generally a waste of money considering that there are so many people going after a limited number of coins that the prices for the "good" mining cards have tripled, which is hilarious because they were only "good" because they were cheap, so I'm going to assume you know little about computers and are simply the latest get rich quick victim.

There are a bunch of reasons this could be happening. Chief amongst them is not enough power. Many PSUs don't even have enough separate power cables to do 4 gpus, let alone actually have the juice to power them. Diagnosing your actual problem is hard, because the rig you have listed is apparently not the one you are using, since it has different GPUs
New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
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New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
  hide details  
Reply
post #5 of 8
Thread Starter 
The PSU is 850w, which should be enough for four. It def is enough for one, thats for sure. each gpu takes 1 6pin connector, the psu has 4 6pin connectors. To the person talking about get rich quick schemes, all of these were bought with profit from previous mining/investing. So not really 'costing' me anything. However that's neither here nor there. But thanks for your input.
new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
PowerCaseMouse
Corsair 750TX HAF 932 G500 
  hide details  
Reply
new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
PowerCaseMouse
Corsair 750TX HAF 932 G500 
  hide details  
Reply
post #6 of 8
What do you mean by "tries to start?" Do you mean that it can't load the OS or that it won't even get to the BIOS or that it won't even start the fans?
Lightweight gamer
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8320 ASRock 960GM/U3S3 Sapphire Radeon HD 6670 Generic RAM from Ebay 
Hard DriveHard DriveHard DriveOS
Western Digital Caviar SE WD1600 Seagate Barracuda 7200.9 OCZ Vector Windows 7 Professional Edition x64 
PowerCaseMouse
Rosewill 500-watt PSU Rosewill REDBONE Logitech M215 Cordless Mouse 
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Lightweight gamer
(11 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX-8320 ASRock 960GM/U3S3 Sapphire Radeon HD 6670 Generic RAM from Ebay 
Hard DriveHard DriveHard DriveOS
Western Digital Caviar SE WD1600 Seagate Barracuda 7200.9 OCZ Vector Windows 7 Professional Edition x64 
PowerCaseMouse
Rosewill 500-watt PSU Rosewill REDBONE Logitech M215 Cordless Mouse 
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Reply
post #7 of 8
has enough power and has enough power on the appropriate bus bar are two different things. If your PSU pulls all it's vido power of one bar, and that bar doesn't have enough power, you;re still hosed. Without the PSU model there's no way to know.
New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
  hide details  
Reply
New gaming rig
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770k some mid range asrock. extreme 4 maybe? 2x gigabyte windforce 7950 2 x 8 corsair balistix sport 
Hard DriveOptical DriveCoolingOS
crucial ct960 LG blu-ray used venamous x win 8.1 pro 
MonitorKeyboardPowerCase
Crossover 30Q5 PRO 30" 2560X1600  cheapest piece of crud I could find antec HCG 750 some thermaltake microcenter blue-light-special... 
MouseMouse PadAudio
came with the cheapass keyboard who cares? some $30 no name 2+sub speakers I bought at mic... 
  hide details  
Reply
post #8 of 8
Thread Starter 
not trying to keep anything a secret, thats foolish. when I meant it wouldnt start, it wouldnt even get to BIOS. I found the problem though, there was something touching the motherboard causing a short. Its starting now and running fine(with one gpu hooked up anyway).

While I appreciate your technical help bombastinator, your opinion on mining seems to be very different than alot of people on this very forum. According to every calculator out there, mining is still quiet profitable. Anyway, like i said these machines were bought with the profit from mining on my sigrig. so even if i end up making no money from this point forward, I wouldnt have lost anything but time.

thank you to everyone who helped, I seem to have fixed my problem!
new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
PowerCaseMouse
Corsair 750TX HAF 932 G500 
  hide details  
Reply
new toys, yay
(13 items)
 
  
CPUMotherboardGraphicsRAM
Intel i5 2500k @ 4.4ghz Asus P67 Sabertooth Radeon HD 6950 2GB Xfire 8gb Gskill Ripjaw 1600 
Hard DriveOSMonitorKeyboard
C300 64gb/640gb WD Black Windows 7 x64 Pro Shimian 27in 1440P IPS Saitek Eclipse 
PowerCaseMouse
Corsair 750TX HAF 932 G500 
  hide details  
Reply
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