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Computer powers on, but no POST beep or display

post #1 of 7
7/22/12 at 8:46am
Thread Starter 
I recently built a computer by myself. I used all necessary safety precautions, touching bare metal to discharge and such. I then hooked up the completed computer to my monitor and power cord and it turns on with all fans including ones connected to mobo, but it doesn't display anything or have a POST beep. It is not the monitor so I am hoping the mobo is not fried, even though I do have a warranty. Please help me troubleshoot this.
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post #2 of 7
7/22/12 at 8:49am
  • Shrak
  • (╯°□°）╯︵ ┻━┻
make sure to put the cpu in right?

And did you even plug in a motherboard speaker? Most lately don't come with them built in anymore and few come with the boards.
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post #3 of 7
7/22/12 at 8:55am
Thread Starter 
The cpu is on right and I didn't plug in a speaker because I didn't think it was necessary but I just ordered one so I can plug it in.
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post #4 of 7
7/22/12 at 9:07am
Howdy-SMDKORSK!

Take the time to fill out your Sig(Every detail counts)while you wait.

I've made speakers before from old tweeters,headphones,etc.
Maybe you can mod one to get going?

Does your MB come w/integrated Graphics or are you using discreet?

If it's integrated,you may need to start w/MB graphics until you get to BIOS-
You may need to set"Primary Graphics" to PEG/PCI or similar.
Then your GPU can output,only then.
If it is discreet,make sure video output is plugged in to that,
and make sure power is going to GPU...
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Zillagod
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mistress
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TriCore/QuadMutant
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CPUMotherboardGraphicsRAM
1090T Gigabyte 890fxa-ud5 rev 2.1 XFX 6870 1GB x2Crossfire w/6950 TFII coolers 16 GB(4x4)GSkill CL7 1333 
Hard DriveHard DriveHard DriveOptical Drive
Patriot Pyro SE 240 GB  OCZ Vertex 3 120GB( for Steam) WD Caviar Black 2TB HP 8xBD 
CoolingCoolingCoolingCooling
H100+(4 Cougar 120 PWM)  Cougar 120 PWM exhaust NZXT 180mm OE NZXT Sentry2 
OSMonitorKeyboardPower
W7 HP SP1 Vizio 47" TV Gyration low profile USB wireless/Logitech G110... Corsair HX 850 
CaseMouseMouse PadAudio
NZXT Panzerbox Gyration Airmouse Elite/Microsoft X5 Anything dark-corduroy pillow Creative PCI 
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CPUMotherboardGraphicsRAM
AMD FX 8350 Asus Sabertooth 990FX Sapphire 7950 OC-w/MCW82 7900-w/Swiftech 7950 p... GSkill Sniper F3-1600C9Q-32GSR 
Hard DriveHard DriveHard DriveHard Drive
OCZ Vertex 4 256 GB for Boot OCZ Vertex 3 120GB for Programs Seagate Momentus XT 750GB for Steam/Origin/Games Toshiba 1TB USB 3.0 for backups 
Optical DriveCoolingCoolingOS
LG 24xDVD/CD 8 Cougar 120 PWM + 3 140 PWM Swiftech MCP 320/AC UT60 Rad Combo + Swiftech M... W7 Professional 64bit 
MonitorKeyboardPowerCase
i-inc 25 LCD 1920X1080 60 hz Logitech G105 COD mw3 EDITION Cooler Master Silent Pro 1000M Cougar Evolution 
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Optical DriveCoolingOSKeyboard
Asus external DVD(USB) Cooler Master Hyper TX 3 push/pull W7 Home Prem SP1 PS3Dell/SMK Link Clavier Touchpad/keyboard 
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Diablotek 550 Rosewill Destroyer Microsoft wireless netbook mouse(usb) 
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post #5 of 7
7/22/12 at 9:19am
Thread Starter 
Discrete graphics, and I've tried with video output from mobo and video card.
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CPUMotherboardGraphicsRAM
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post #6 of 7
7/22/12 at 2:32pm
Does your CPU fan spin up with all the other fans when you power on?

Have you cleared the CMOS at all?

Have you tried to POST with only one stick of memory?
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1 TB Samsung Spinpoint F3 Samsung SH-S223L Hyper 212+ Push Pull 7 Ultimate 64bit 
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Samsung SyncMaster S27B550 Microsoft Comfort Curve Corsair HX850 Coolermaster 690 
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post #7 of 7
7/23/12 at 6:15am
Thread Starter 
Yes it spins up with all other fans. And I will try those options when I get back from vacation in a few days.
Gaming and such
(7 items)
  		  
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1045t GIGABYTE GA-78LMT-S2P AM3+ AMD 760G Micro ATX A... Sapphire Radeon HD 6870 1Gb Kingston HyperX 2x4 GB 1600  
Hard DrivePowerCase
Western Digital Caviar Black 1TB Ultra LSP650 650w PSU Professional Series NZXT Gamma Classic Series ATX Mid-Tower Black S... 
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Gaming and such
(7 items)
  		  
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1045t GIGABYTE GA-78LMT-S2P AM3+ AMD 760G Micro ATX A... Sapphire Radeon HD 6870 1Gb Kingston HyperX 2x4 GB 1600  
Hard DrivePowerCase
Western Digital Caviar Black 1TB Ultra LSP650 650w PSU Professional Series NZXT Gamma Classic Series ATX Mid-Tower Black S... 
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