Home-built Computers Upgraded video card, now BIOS goofy

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Subject Author Date
Upgraded video card, now BIOS goofy Mike 06-29-07
Posted by Mike on June 29, 2007, 10:58 pm
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My existing system (about 1.5 years old):

Biostar 6100-M9 MB
AMD 64 3000+ CPU
2x 1GB RAM

removed my existing video card (nvidia 7600GT), used just onboard video
for a few weeks.
Bought a Biostar 7900GT card off of ebay. Installed it, and it is not
working right. From the first boot into BIOS, there are weird things,
like: some characters in the BIOS selections are differnet colors, and
some of the characters are wrong (show a 'N' instead of a 'g'. Just a
few wrong letters on each screen. I think that the wrong letters stay
the same with each reboot.
Windows boots fine, I had removed the old driver, installed the newest
from nvidia. Now, any time the screen is displayed all black, there are
several pixels lit up. I can see a few dozen pixels in the Windows
background that are the wrong color, or black.
Tried playing a game, Halo, and it plays well, except there are weird 3D
streaks running through the game. Game has had some problems crashing, too.
I updated the BIOS to try to fix... no change.
The 7900GT has an extra 6-pin power connection. I did not have one, so I
made one (3 12+V, 3 COM). Works the same with and without this
connected. It detects when it is not connected, and tells me it has
slowed the card down to protect it. Fine.
Any ideas?

-mike

Posted by Yes Baby on June 30, 2007, 12:28 am
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> My existing system (about 1.5 years old):
>
> Biostar 6100-M9 MB
> AMD 64 3000+ CPU
> 2x 1GB RAM
>
> removed my existing video card (nvidia 7600GT), used just onboard video
> for a few weeks.
> Bought a Biostar 7900GT card off of ebay. Installed it, and it is not
> working right. From the first boot into BIOS, there are weird things,
> like: some characters in the BIOS selections are differnet colors, and
> some of the characters are wrong (show a 'N' instead of a 'g'. Just a few
> wrong letters on each screen. I think that the wrong letters stay the same
> with each reboot.
> Windows boots fine, I had removed the old driver, installed the newest
> from nvidia. Now, any time the screen is displayed all black, there are
> several pixels lit up. I can see a few dozen pixels in the Windows
> background that are the wrong color, or black.
> Tried playing a game, Halo, and it plays well, except there are weird 3D
> streaks running through the game. Game has had some problems crashing,
> too.
> I updated the BIOS to try to fix... no change.
> The 7900GT has an extra 6-pin power connection. I did not have one, so I
> made one (3 12+V, 3 COM). Works the same with and without this connected.
> It detects when it is not connected, and tells me it has slowed the card
> down to protect it. Fine.
> Any ideas?
>
> -mike

needs extra power through that 6 way and it sounds like your home made cable
is not doing the job.

do a google for the card, some pictures show the cable required. The ebay
seller should have supplied you this cable.

or does it have a fault...............one does not know with ebay.



Posted by Yes Baby on June 30, 2007, 12:46 am
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>
>> My existing system (about 1.5 years old):
>>
>> Biostar 6100-M9 MB
>> AMD 64 3000+ CPU
>> 2x 1GB RAM
>>
>> removed my existing video card (nvidia 7600GT), used just onboard video
>> for a few weeks.
>> Bought a Biostar 7900GT card off of ebay. Installed it, and it is not
>> working right. From the first boot into BIOS, there are weird things,
>> like: some characters in the BIOS selections are differnet colors, and
>> some of the characters are wrong (show a 'N' instead of a 'g'. Just a few
>> wrong letters on each screen. I think that the wrong letters stay the
>> same with each reboot.
>> Windows boots fine, I had removed the old driver, installed the newest
>> from nvidia. Now, any time the screen is displayed all black, there are
>> several pixels lit up. I can see a few dozen pixels in the Windows
>> background that are the wrong color, or black.
>> Tried playing a game, Halo, and it plays well, except there are weird 3D
>> streaks running through the game. Game has had some problems crashing,
>> too.
>> I updated the BIOS to try to fix... no change.
>> The 7900GT has an extra 6-pin power connection. I did not have one, so I
>> made one (3 12+V, 3 COM). Works the same with and without this connected.
>> It detects when it is not connected, and tells me it has slowed the card
>> down to protect it. Fine.
>> Any ideas?
>>
>> -mike
>
> needs extra power through that 6 way and it sounds like your home made
> cable is not doing the job.
>
> do a google for the card, some pictures show the cable required. The ebay
> seller should have supplied you this cable.
>
> or does it have a fault...............one does not know with ebay.
>

http://cgi.ebay.co.uk/6-Pin-Power-Cable-Connect-to-PCI-Express-Graphics-Cards_W0QQitemZ160129911770QQihZ006QQcategoryZ45342QQssPageNameZWDVWQQrdZ1QQcmdZViewItem



Posted by Mike on June 30, 2007, 2:27 pm
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Yes Baby wrote:
>> My existing system (about 1.5 years old):
>>
>> Biostar 6100-M9 MB
>> AMD 64 3000+ CPU
>> 2x 1GB RAM
>>
>> removed my existing video card (nvidia 7600GT), used just onboard video
>> for a few weeks.
>> Bought a Biostar 7900GT card off of ebay. Installed it, and it is not
>> working right. From the first boot into BIOS, there are weird things,
>> like: some characters in the BIOS selections are differnet colors, and
>> some of the characters are wrong (show a 'N' instead of a 'g'. Just a few
>> wrong letters on each screen. I think that the wrong letters stay the same
>> with each reboot.
>> Windows boots fine, I had removed the old driver, installed the newest
>> from nvidia. Now, any time the screen is displayed all black, there are
>> several pixels lit up. I can see a few dozen pixels in the Windows
>> background that are the wrong color, or black.
>> Tried playing a game, Halo, and it plays well, except there are weird 3D
>> streaks running through the game. Game has had some problems crashing,
>> too.
>> I updated the BIOS to try to fix... no change.
>> The 7900GT has an extra 6-pin power connection. I did not have one, so I
>> made one (3 12+V, 3 COM). Works the same with and without this connected.
>> It detects when it is not connected, and tells me it has slowed the card
>> down to protect it. Fine.
>> Any ideas?
>>
>> -mike
>
> needs extra power through that 6 way and it sounds like your home made cable
> is not doing the job.
>
> do a google for the card, some pictures show the cable required. The ebay
> seller should have supplied you this cable.
>
> or does it have a fault...............one does not know with ebay.
>
>
The manual says that performance 'will be lower' without the 6pin power,
so I didn't hesitate to run without it. I can't imagine why mine would
not work. But, I have ordered a few on ebay to make sure...
I agree that you never are sure with ebay stuff. It is a gamble.

Posted by Timothy Drouillard on June 30, 2007, 3:03 pm
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Corrupted characters or random pixels flashing, are systems I've seen in the
past of a video board that has developed bad ram, usually do to over
heating. It was quite common a few years ago.

just a thought.



> Yes Baby wrote:
>>> My existing system (about 1.5 years old):
>>>
>>> Biostar 6100-M9 MB
>>> AMD 64 3000+ CPU
>>> 2x 1GB RAM
>>>
>>> removed my existing video card (nvidia 7600GT), used just onboard video
>>> for a few weeks.
>>> Bought a Biostar 7900GT card off of ebay. Installed it, and it is not
>>> working right. From the first boot into BIOS, there are weird things,
>>> like: some characters in the BIOS selections are differnet colors, and
>>> some of the characters are wrong (show a 'N' instead of a 'g'. Just a
>>> few wrong letters on each screen. I think that the wrong letters stay
>>> the same with each reboot.
>>> Windows boots fine, I had removed the old driver, installed the newest
>>> from nvidia. Now, any time the screen is displayed all black, there are
>>> several pixels lit up. I can see a few dozen pixels in the Windows
>>> background that are the wrong color, or black.
>>> Tried playing a game, Halo, and it plays well, except there are weird 3D
>>> streaks running through the game. Game has had some problems crashing,
>>> too.
>>> I updated the BIOS to try to fix... no change.
>>> The 7900GT has an extra 6-pin power connection. I did not have one, so I
>>> made one (3 12+V, 3 COM). Works the same with and without this
>>> connected. It detects when it is not connected, and tells me it has
>>> slowed the card down to protect it. Fine.
>>> Any ideas?
>>>
>>> -mike
>>
>> needs extra power through that 6 way and it sounds like your home made
>> cable is not doing the job.
>>
>> do a google for the card, some pictures show the cable required. The ebay
>> seller should have supplied you this cable.
>>
>> or does it have a fault...............one does not know with ebay.
> The manual says that performance 'will be lower' without the 6pin power,
> so I didn't hesitate to run without it. I can't imagine why mine would not
> work. But, I have ordered a few on ebay to make sure...
> I agree that you never are sure with ebay stuff. It is a gamble.


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