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My Computer Can't detect my new graphics card


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#1 angelosg87

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Posted 15 June 2014 - 03:38 AM

I purchased a new GPU Sapphire Dual X R9 270X 2GB DDR5 OC WITH BOOST
My Graphics Card fan work fine but when I turn on my pc the monitor does not show anything.

I had another graphics card before but needed to replace it so I dont know if this is the trouble.

Anyone can help?

Thanks in advance

 

System Specs

 

Computer Type PC/Desktop 

OS Windows 8.1 64-bit 
CPU Intel Core i7-4770S 3.10 GHz SKT1150 8MB 
Motherboard ASRock Z87M Extreme 4 Micro ATX LGA1150 
Memory DDR3 1333MHz 8GB 
Graphics Card eVGA GeForce GTX 650 Superclocked 2GB 
Monitor(s) Displays LG 22M35A 
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#2 wpgwpg

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Posted 15 June 2014 - 10:17 AM

 Have you tried booting to Safe Mode?  Did you install the driver for the card?  Did you disable the onboard graphics in the I7 CPU?


Everyone with a computer should back his system up to an external hard drive regularly.  :thumbsup:

#3 md92h

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Posted 15 June 2014 - 12:54 PM

since you mentioned monitor does not show anything when you turn on your pc and if you are sure of the cable, then the problems is definitely with the new Graphics card. either it has a problem or you haven't placed it on its socket properly. try removing and re setting it. 



#4 jonuk76

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Posted 15 June 2014 - 01:13 PM

Have you connected the 2 x 6pin PCIe power connectors to the card?  Have you tried taking the card out and reseating it?


7sbvuf-6.png


#5 angelosg87

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Posted 15 June 2014 - 01:16 PM

you mean i have to put in 2 power supply cables? With one it wont work? Maybe thats the problem?



#6 md92h

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Posted 15 June 2014 - 01:22 PM

you mean i have to put in 2 power supply cables? With one it wont work? Maybe thats the problem?

no it won't work. i didn't think about this and just assumed you connected the power cables.



#7 angelosg87

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Posted 15 June 2014 - 01:25 PM

my old gpu had only one PCLe power connector... So maybe if i install the 2 power conncections the graphics card will be detected from my system??



#8 jonuk76

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Posted 15 June 2014 - 05:23 PM

Yes it might.  It needs two connectors because the card draws more power than a GTX 650.  Ideally connect them to two dedicated PCIe connectors from your PSU.  It should have two connectors.


7sbvuf-6.png


#9 angelosg87

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Posted 16 June 2014 - 09:33 AM

I connected the two PCI e coonnectors and everything is fine... Thank you very much for your help!



#10 jonuk76

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Posted 16 June 2014 - 10:26 AM

No problem :) Glad it's working.


7sbvuf-6.png


#11 angelosg87

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Posted 16 June 2014 - 12:06 PM

I am very happy that it is working! Great GPU...






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