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Computer wont display video

post #1 of 5
Thread Starter 
I'm building a new rig and when powering it on, the motherboard, video card, and fans turn on but my monitor does not show any video. Please check if my parts are compatible:

i7 4930k
Asus p9x79 le
Corsair DDR3 SDRAM DDR3 2133 (4x4gb)
ATI HD5850
Seasonic x-850



Things I've tried:
Use both PCI-e slots
Using only 1 memory module (placed at the blue slot to the right of the cpu)
Tested the video card on another computer (it works)
Edited by ThumperSD - 1/14/14 at 12:44am
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i7 4930k Asus P9X79 LE ATI HD5850 G.SKILL 4x4gb 2133mhz 
Hard DriveHard DriveCoolingOS
Samsung EVO 840 Seagate Barracuda Noctua NH-D14 W 8.1 
MonitorKeyboardPowerCase
Dell 24" 1920x1200 Tt eSports Poseiden brown Seasonic X-850 Fractal F4 
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Logitech G9x Steelseries Musiland 02 DAC KRK RP5 & Dayton SUB-80 
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Random name
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k Asus P9X79 LE ATI HD5850 G.SKILL 4x4gb 2133mhz 
Hard DriveHard DriveCoolingOS
Samsung EVO 840 Seagate Barracuda Noctua NH-D14 W 8.1 
MonitorKeyboardPowerCase
Dell 24" 1920x1200 Tt eSports Poseiden brown Seasonic X-850 Fractal F4 
MouseMouse PadAudioAudio
Logitech G9x Steelseries Musiland 02 DAC KRK RP5 & Dayton SUB-80 
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post #2 of 5
You cant use the 4930K on that motherboard unless you update the BIOS first

Did you do that
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #3 of 5
Thread Starter 
How am I to update the BIOS when I cant even see the screen?

I downloaded the P9X79 LE BIOS 4608 from http://support.asus.com/download.aspx?SLanguage=en&m=P9X79%20LE&os=8
Random name
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k Asus P9X79 LE ATI HD5850 G.SKILL 4x4gb 2133mhz 
Hard DriveHard DriveCoolingOS
Samsung EVO 840 Seagate Barracuda Noctua NH-D14 W 8.1 
MonitorKeyboardPowerCase
Dell 24" 1920x1200 Tt eSports Poseiden brown Seasonic X-850 Fractal F4 
MouseMouse PadAudioAudio
Logitech G9x Steelseries Musiland 02 DAC KRK RP5 & Dayton SUB-80 
  hide details  
Reply
Random name
(16 items)
 
  
CPUMotherboardGraphicsRAM
i7 4930k Asus P9X79 LE ATI HD5850 G.SKILL 4x4gb 2133mhz 
Hard DriveHard DriveCoolingOS
Samsung EVO 840 Seagate Barracuda Noctua NH-D14 W 8.1 
MonitorKeyboardPowerCase
Dell 24" 1920x1200 Tt eSports Poseiden brown Seasonic X-850 Fractal F4 
MouseMouse PadAudioAudio
Logitech G9x Steelseries Musiland 02 DAC KRK RP5 & Dayton SUB-80 
  hide details  
Reply
post #4 of 5
Quote:
Originally Posted by ThumperSD View Post

How am I to update the BIOS when I cant even see the screen?

I downloaded the P9X79 LE BIOS 4608 from http://support.asus.com/download.aspx?SLanguage=en&m=P9X79%20LE&os=8

USB BIOS flash
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
Seravee
(27 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core I7 6850K Gigabyte X99 Ultra Gaming EVGA GTX 1080 FTW2 Kingston HyperX DDR4 Savage 3000 MHz 
Hard DriveHard DriveHard DriveHard Drive
Samsung 840 Evo WD Green WD60EZRX  WD Red WD80EFZX 8TB  Seagate Ironwolf Pro 10 TB 
Optical DriveCoolingCoolingOS
LG CH12NS30 x5 Noctua NF-A14 FLX Noctua NH-D15S Windows 7 64 Bit 
MonitorMonitorKeyboardPower
Asus PG279Q LG 49UH750V 4K LED TV Corsair Gaming Strafe RGB EVGA SuperNova G2 750 watt 
CaseMouseMouse PadAudio
Phanteks Enthoo Luxe Roccat Kone EMP Roccat Sense Metor Sennheiser HD 598 
AudioAudioAudioAudio
Onkyo TX NR646  Harman Kardon HKTS 60 Dali Opticon Vokal x2 Dali Opticon 2 
AudioOtherOther
x2 Dali Opticon 1 CableMod E series PSU cable set CableMod LED Strips 
  hide details  
Reply
post #5 of 5
I just went thru the same problem 2 days ago. I was trying to connect using HDMI. I salved the problem by using DVI from the GPU. Check out my thread. Had a LOT of helpfull suggestions.
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