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Graphics Card not detected, drivers wont install.

Last response: in Graphics & Displays
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July 19, 2013 7:21:49 PM

Hi, I am building my first computer, and I chose an AMD Radeon HD 7870 XT for my graphics card. I was having some problems installing it, so I decided to install windows 8 first, so after that I installed the video card and it doesn't seem to be working. The fans on the card are spinning, so I know that's not the problem. Also, when I try to install the drivers, it seems to go well, until the end, where it says "Warning, errors have occurred, please see log". I click the log and no errors are listed -_-. Please help me.

Specs:

i3-3220
MSI Z77a-G45 Gaming
1tb hard drive
Corsair CX500M
July 19, 2013 7:25:35 PM

noahdutch said:
Hi, I am building my first computer, and I chose an AMD Radeon HD 7870 XT for my graphics card. I was having some problems installing it, so I decided to install windows 8 first, so after that I installed the video card and it doesn't seem to be working. The fans on the card are spinning, so I know that's not the problem. Also, when I try to install the drivers, it seems to go well, until the end, where it says "Warning, errors have occurred, please see log". I click the log and no errors are listed -_-. Please help me.

Specs:

i3-3220
MSI Z77a-G45 Gaming
1tb hard drive
Corsair CX500M


PSU is underpowered.
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July 19, 2013 7:32:49 PM

Zombiekiller said:
noahdutch said:
Hi, I am building my first computer, and I chose an AMD Radeon HD 7870 XT for my graphics card. I was having some problems installing it, so I decided to install windows 8 first, so after that I installed the video card and it doesn't seem to be working. The fans on the card are spinning, so I know that's not the problem. Also, when I try to install the drivers, it seems to go well, until the end, where it says "Warning, errors have occurred, please see log". I click the log and no errors are listed -_-. Please help me.

Specs:

i3-3220
MSI Z77a-G45 Gaming
1tb hard drive
Corsair CX500M


PSU is underpowered.



I don't think so...
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a c 225 U Graphics card
July 19, 2013 7:34:41 PM

http://www.amd.com/us/products/desktop/graphics/7000/78...
Quote:
500W (or greater) power supply with one 75W 6-pin PCI Express power connector recommended


http://www.amd.com/us/products/desktop/graphics/7000/79...
Quote:
500W (or greater) power supply with two 75W 6-pin PCI Express power connectors recommended


7870 XT is a broken 7950 which still requires a 500w PSU

http://www.sapphiretech.com/presentation/product/?cid=1...
Quote:
500 Watt Power Supply is required.
600WattPower Supply is recommended for CrossFireX™ System.


However, the CX series is a budget PSU so ....... but It still shud be OK

Does device manager see the card ?

Tried latest drivers ?

Uninstalled, cleaned registry of all things AMD and tried again ?
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July 19, 2013 7:34:54 PM

noahdutch said:
Zombiekiller said:
noahdutch said:
Hi, I am building my first computer, and I chose an AMD Radeon HD 7870 XT for my graphics card. I was having some problems installing it, so I decided to install windows 8 first, so after that I installed the video card and it doesn't seem to be working. The fans on the card are spinning, so I know that's not the problem. Also, when I try to install the drivers, it seems to go well, until the end, where it says "Warning, errors have occurred, please see log". I click the log and no errors are listed -_-. Please help me.

Specs:

i3-3220
MSI Z77a-G45 Gaming
1tb hard drive
Corsair CX500M


PSU is underpowered.



I don't think so...

500W (or greater) power supply with one 75W 6-pin PCI Express power connector recommended. Your PSU is 500 peak.
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a c 171 U Graphics card
July 19, 2013 8:25:49 PM

Interesting Jack. Everything I've seen say's its closer to a 200W card. The powertune limit is 200W.

http://www.anandtech.com/show/5476/amd-radeon-7950-revi...

Notice idle is around 100W, while the gaming load is 350W(ish). I know the CPU load is in there as well, but I would believe the 200W powertune figures over 138W.

All this said I would think the CX500 should be enough. Test in a different system if you can. Is the card seen there?
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July 20, 2013 5:12:58 AM

Device Manager doesn't see the card, and I am having a problem installing the drivers, as I stated earlier. Also, upon initial startup, the fans on the video card start, then stop for around 3 seconds, then start again.

Also, when I try plugging the monitor directly into the video card, the screen is blank.
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July 20, 2013 5:17:00 AM

noahdutch said:
Device Manager doesn't see the card, and I am having a problem installing the drivers, as I stated earlier. Also, upon initial startup, the fans on the video card start, then stop for around 3 seconds, then start again.

Also, when I try plugging the monitor directly into the video card, the screen is blank.


Again, the PSU is underpowered. Buy one from Best Buy or w/e then return after you test.
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a c 171 U Graphics card
July 20, 2013 7:08:51 AM

Quote:
I would think the CX500 should be enough. Test in a different system


Zombie, they say you need a 500W PSU because of the lying/junk PSUs that are out there. The Corsair PSU is enough.
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July 20, 2013 8:10:26 AM

4745454b said:
Quote:
I would think the CX500 should be enough. Test in a different system


Zombie, they say you need a 500W PSU because of the lying/junk PSUs that are out there. The Corsair PSU is enough.


The problem with these responses and forums in general is that everyone looks for a tweak or test that is over the top. Keep it simple. Eliminate one problem at a time. If I am wrong, great! It cost nothing to buy then return a PSU. But at least then you complete a definitive test.
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a c 171 U Graphics card
July 20, 2013 10:04:20 AM

Cost nothing to return a PSU? Restocking fee? Shipping? Even if you do it all in time, thanks for driving up the costs for whoever you bought it from. It also costs nothing to throw it into a friends rig and see if it works. AND it won't cost any company anything either.
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July 20, 2013 10:56:22 AM

4745454b said:
Cost nothing to return a PSU? Restocking fee? Shipping? Even if you do it all in time, thanks for driving up the costs for whoever you bought it from. It also costs nothing to throw it into a friends rig and see if it works. AND it won't cost any company anything either.



I don't have any other desktops to hook it up to, and no one I know that lives close by has one either. I ended up just buying a 650 watt PSU with free 2-day shipping, I'm hoping it works.

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a c 171 U Graphics card
July 20, 2013 11:42:19 PM

I would have tried Craig's list. Hope it works out but it shouldn't be a PSU problem.
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