Fist PC build, assemble everything but no signal on display

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bstoakes

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Nov 4, 2014
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So I recently went about building my first PC. I've assembled everything correctly, I imagine, but when I turn on the computed all I get is a green LED on the motherboard and the fans on the case/ CPU spinning. The fan on the GPU does not spin and I get no signal on my monitor. The monitor is plugged into the GPU via a VGA to DVI cable, I know the GPU isn't bad because I returned the firt one and replaced it with an identical card. OH, and the GPU is plugged in to the power supply via a single six pin plug.

GPU: XFX R9 270 925MHz 2GB
Motherboard: ASUS M5A78L-M LX PLUS
Power: Antec VP-450 450 Watt
 
Solution
cowboydude99
Before buying, try out all possible fixes.

1. Reseat GPU
2. Check the PCI-E power connector. Plugged in all the way?
3. Have an old GPU just laying around? Plug this into the system and see if it works.
4. Have onboard video? Does the pc boot when you use this?
5. Reset CMOS by removing the power cord and the battery from the motherboard for 15 minutes.
6. Have another PC laying around? Plug the GPU in question into the PC for testing. Do the fans spin?

Since you already tried another GPU (original one before returning) odds are it is the PSU.
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cowboydude99

cowboydude99

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Aug 21, 2013
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Hi,
Considering the fans on the GPU don't spin- sounds like your PCI-E power cables isn't plugged in.

Make sure and plug it in tightly.
Also remove the GPU and connect it again. make sure you can't see any of the gold pins.

 
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cowboydude99

cowboydude99

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Aug 21, 2013
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If everything is plugged in, try another PSU, one with higher wattage:
www.newegg.com/Product/Product.aspx?Item=N82E16817207013&cm_re=550w_xfx-_-17-207-013-_-Product

$50.

450w is the minimum the gpu needs, however there may be some loss of power taking that 450w down a bit.
 
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cowboydude99

cowboydude99

Honorable
Aug 21, 2013
1,493
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11,960
Before buying, try out all possible fixes.

1. Reseat GPU
2. Check the PCI-E power connector. Plugged in all the way?
3. Have an old GPU just laying around? Plug this into the system and see if it works.
4. Have onboard video? Does the pc boot when you use this?
5. Reset CMOS by removing the power cord and the battery from the motherboard for 15 minutes.
6. Have another PC laying around? Plug the GPU in question into the PC for testing. Do the fans spin?

Since you already tried another GPU (original one before returning) odds are it is the PSU.
 
Upvote 0 Downvote
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