Acer monitor not recognising R 280x

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GiskardR

Honorable
May 28, 2014
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10,510
Hi there Tom's Hardware, I need your help please.

My venerable 470gtx died a few days ago, and after much wailing and gnashing of teeth, I decided to bite the bullet and upgrade to a Sapphire 3gb R9 280x card.

Now it's all installed, seated correctly and connected to the PSU, but when I connect my Acer S243HL monitor, there is nothing apart from the "cable not connected" message dancing around the screen, mocking me.

I've tried installing the card into a different PCI-e slot and I have tried 2 different brand new HDMI cables but to no avail.

Motherboard is only 6 months old, an Asus M5A97 and I have a brand new Cooler Master v850 as a power supply

I really hope you guys can help.
 
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G

GiskardR

Honorable
May 28, 2014
6
0
10,510
I've tried the different ports on the monitor and the card has only 1 HDMI port. Can't install the driver, as I can't boot the computer as the monitor won't even display the POST screen just that "cable is not connected" message.

Gtx driver has been uninstalled.
 
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G

GiskardR

Honorable
May 28, 2014
6
0
10,510
Yes, there is power going to the GPU, all necessary cables are installed.

I just put my 470gtx back in, and the monitor detects that, the "cable not connected" message goes away, but no luck with the new card.
 
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G

GiskardR

Honorable
May 28, 2014
6
0
10,510
Tried your solution and still no dice. I suspect a faulty card, as that "cable not connected" message would turn off if the monitor detects any video card even if the computer is off.
 
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