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Is my mobo dead?

post #1 of 10
Thread Starter 
Building a rig for my daughter out of some of my old parts. I had been using an XFX 680i LT SLI Board in my rig until I built my new PC last month. Tonight I went to power up her PC built on that board and everything spins up but there is no display output. I have tries reseting CMOS, swapping out GPU, unseating RAM, swapping out monitors, and swapping PSUs. All I can think of at this point is the mobo. It worked fine a month ago, how can I test it?
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post #2 of 10
What POST code are you seeing? Any strange beeps?
     
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i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
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Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
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AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
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Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
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Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
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Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
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Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
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Seasonic X 650 Gold Lian Li PC-T60B test bench 
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post #3 of 10
Thread Starter 
Literally no display at all, black screen. No beeps, just blue and yellow light on mobo.
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CPUMotherboardGraphicsRAM
i5 2500K@4.5 GHz 1.336V Asus P8Z68-V PRO EVGA GTX 680 x2 8 GB G-Skill Ripjaws 
Hard DriveOSMonitorPower
Crucial M4 240 GB + Hitachi Deskstar 2 TB Windows 8 64 Bit HP LP3065 Corsair HX750W 
Case
Corsair 650D 
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post #4 of 10
Okay, but what about the POST led readout? The thing by the battery on the mobo that displays letters and numbers?
     
CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
PowerCase
Corsair VX550w Caseless 
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CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
PowerCase
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post #5 of 10
Quote:
Originally Posted by MrLinky View Post
Okay, but what about the POST led readout? The thing by the battery on the mobo that displays letters and numbers?
it does not have one
post #6 of 10
Quote:
Originally Posted by Billy O View Post
Building a rig for my daughter out of some of my old parts. I had been using an XFX 680i LT SLI Board in my rig until I built my new PC last month. Tonight I went to power up her PC built on that board and everything spins up but there is no display output. I have tries reseting CMOS, swapping out GPU, unseating RAM, swapping out monitors, and swapping PSUs. All I can think of at this point is the mobo. It worked fine a month ago, how can I test it?
This may sound stupid to you, but is your CPU 3-pin/4-pin power connector plugged in?

Is your motherboard 24-pin power connector seated firmly?
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My gaming rig
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Intel Core i5 4670 MSI Z87i MSI Radeon HD 7870 2gb 2x4 G.Skill Snipers 
Hard DriveOptical DriveOSMonitor
1TB Seagate ASUS Reader Windows 7 64bit Acer  
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post #7 of 10
Thread Starter 
Quote:
Originally Posted by MrLinky View Post
Okay, but what about the POST led readout? The thing by the battery on the mobo that displays letters and numbers?
I don't see that, are you sure you are thinking of the same mobo?
Back in the Game
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CPUMotherboardGraphicsRAM
i5 2500K@4.5 GHz 1.336V Asus P8Z68-V PRO EVGA GTX 680 x2 8 GB G-Skill Ripjaws 
Hard DriveOSMonitorPower
Crucial M4 240 GB + Hitachi Deskstar 2 TB Windows 8 64 Bit HP LP3065 Corsair HX750W 
Case
Corsair 650D 
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Back in the Game
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K@4.5 GHz 1.336V Asus P8Z68-V PRO EVGA GTX 680 x2 8 GB G-Skill Ripjaws 
Hard DriveOSMonitorPower
Crucial M4 240 GB + Hitachi Deskstar 2 TB Windows 8 64 Bit HP LP3065 Corsair HX750W 
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Corsair 650D 
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post #8 of 10





Taken off of newegg.

     
CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
PowerCase
Corsair VX550w Caseless 
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CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
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post #9 of 10
Thread Starter 
That is not my board, I have an XFX and where there is an LED on that board I just have empty space. The LT is a cheaper model.
Back in the Game
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CPUMotherboardGraphicsRAM
i5 2500K@4.5 GHz 1.336V Asus P8Z68-V PRO EVGA GTX 680 x2 8 GB G-Skill Ripjaws 
Hard DriveOSMonitorPower
Crucial M4 240 GB + Hitachi Deskstar 2 TB Windows 8 64 Bit HP LP3065 Corsair HX750W 
Case
Corsair 650D 
  hide details  
Reply
Back in the Game
(13 items)
 
  
CPUMotherboardGraphicsRAM
i5 2500K@4.5 GHz 1.336V Asus P8Z68-V PRO EVGA GTX 680 x2 8 GB G-Skill Ripjaws 
Hard DriveOSMonitorPower
Crucial M4 240 GB + Hitachi Deskstar 2 TB Windows 8 64 Bit HP LP3065 Corsair HX750W 
Case
Corsair 650D 
  hide details  
Reply
post #10 of 10
Ahh, gotcha.

Well, unless you had another 775 mobo lying around, the only thing I can think of is to use your x58 mobo and ram, but her gpu, psu, monitor, hdd, and case. If that works, then you we've narrowed it down to either her ram or mobo.
     
CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
PowerCase
Corsair VX550w Caseless 
  hide details  
Reply
     
CPUMotherboardGraphicsRAM
i7 5960X 4.6GHz at 1.2V  Asus X99 Deluxe Evga 980 Ti SC+ Corsair Dominator Platinum 16GB at 2666 MHz 16-... 
Hard DriveCoolingOSMonitor
Samsung 950 Pro 256GB EK Supremacy EVO, EK Titan X Full Cover, EK X99... Windows 10 Home retail Acer Predator XB270HU 
PowerCase
Seasonic SS-760XP2 Corsair Air 540 White 
CPUMotherboardGraphicsRAM
AMD FX-8350 5GHz at 1.524v ASUS Crosshair V Formula-Z Sapphire R9 290X with EK water block 2x4GB G.Skill Trident X 2500MHz 9-11-11 1.68v  
Hard DriveCoolingOSMonitor
Samsung 850 Pro 256GB + 2x Seagate 3TB HDDs Koolance CPU-380A water block Windows 7 64-bit Home Premium BenQ XL2720Z 
PowerCase
Seasonic X 650 Gold Lian Li PC-T60B test bench 
CPUMotherboardGraphicsRAM
i7 2600K 4.4ghz @ 1.296v Asus Maximus IV Gene-Z XFX HD6950 shaders unlocked G.Skill ECO 2x2GB 1866MHz 7-9-7-25-1T @ 1.5v 
Hard DriveCoolingOSMonitor
Crucial M4 64GB + WD Black 1.5TB Apogee XT + MCP320 + MCP655-B Windows 7 x64 Home Premium + Linux Mint Debian 3x AOC 27" IPS monitors for 5760x1080 eyefinity 
PowerCase
Corsair VX550w Caseless 
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