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Computer keep hanging - graphic card

Last response: in Graphics & Displays
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August 28, 2010 8:19:09 AM

Hello,
I m new to dis forum and hope to get as much help as possible.

I have recently installed a geforce 7300 le (256mb) pci-e card, installed the latest driver and my aero for my Windows 7 Ultimate 32-bit was den enabled.

However, my computer keeps freezing and I hav to switched it off through the on/off button by holding it for about 10s instead of shutting down. It juz freeze randomly whenever I am browsing the net or stuff. For example, when I refresh the Windows Experience Index and when they are rating, it just freeze halfway through and I got to off the com through the on/off button.

Windows will load but after it load, it will freeze after a few minutes. My computer only freeze when I use the graphic card but when I remove it and use my onboard graphic(SiS Mirage 3), it works perfectly fine except that the graphic is really bad with no aero.

I have tried to reinstall the graphic card and the drivers but to no avail. I also reinstalled windows 7 ultimate but still failed.

My motherboard is acer f671cr and I got a 2gb ram. My processor is Intel Pentium D while my model is Acer Aspire SA90.

This problem is making me go crazy and please reply asap as I am going to exchange the graphic card for another soon if I dun fix it.

Thanks~

Sam

-EDIT- I did disable my onboard graphic (SiS Mirage 3), but still failed. So could it be the graphic card faulty?

-EDIT(2)- Btw, the graphic card I bought was a second-hand Inno3D Nvidia 7300 LE 256mb, 64-bit bus , which was made in 2007.

-EDIT(3) PS. Could it be overheating cus it is quite hot when I touch the graphic card?
August 28, 2010 8:45:48 AM

Hmmm, you did turn OFF the onboard graphics ,,eh???:) 
August 28, 2010 9:10:00 AM

Can u explain clearly how to turn off?
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a c 169 U Graphics card
August 28, 2010 9:31:59 AM

Hello and welcome to the forums
You can disable the on-board VGA by going to device manager>Display adapters,then you should see your on-board graphic card there,right click on it and choose disable.
August 28, 2010 9:50:51 AM

That i noe and i hav done it, and i am just confused by dokk2 saying 'off', it should be 'disabled'. Though I have done it, it was a futile attempt and did not work as well. So could it be the graphic card faulty?
a c 169 U Graphics card
August 28, 2010 10:21:09 AM

Could be
Try disabling Aero,if it didn't help, then try installing windows XP and check if it helps.
August 28, 2010 10:26:50 AM

I have a Windows Vista Home Basic in a primary hard disk, will it be ok to test it on Vista Home Basic? I have tested it on Vista Home Basic and it still happened, so does that says anything?
August 28, 2010 12:06:44 PM

P.S. , I bought a second-hand Inno3D Nvidia 7300 LE PCIe graphic card from a shop, which is made in 2007.
August 28, 2010 1:53:37 PM

Oh ya with a faulty graphic card, will the monitor even display anything?
August 29, 2010 1:13:39 AM

this sounds like whats going on with my 480 except that i can run internet browser fine and msn... but it freezes if i run windows rating yet it won't freeze when i have onboard graphics on...
August 29, 2010 3:58:38 AM

*High 5* My computer only hang after I start a 3D app(Online Games). So is it graphic card faulty?
a c 169 U Graphics card
August 29, 2010 9:33:03 AM

Yes i think its faulty,RMA it.
August 29, 2010 9:53:35 AM

I will RMA it soon. Thanks for all the help anyway. I will kip u all informed once I replaced the PCIe graphic card wif another one.
a c 169 U Graphics card
August 29, 2010 2:24:53 PM

Definitely, let us know how it goes
August 30, 2010 10:20:13 AM

It works! I changed it to Raedeon x600 series and it works now! Thanks for all ur help!
a c 169 U Graphics card
August 30, 2010 11:00:28 AM

Glad to hear it.
August 30, 2010 3:37:08 PM

what does RMA mean btw?
a c 169 U Graphics card
August 30, 2010 9:42:41 PM

RMA= Return Merchandise Authorization
!