| Zinroc Canada. July 27 2012 02:24. Posts 73 | Profile # |
I bought a cyberpower computer to replace my old one. http://www.newegg.ca/Product/Product.aspx?Item=N82E16883229285
(it has a NVIDIA GeForce 7025 motherboard)
The only good part of my old computer is the GPU so I wanted to use it in the new computer. http://www.geforce.com/hardware/desktop-gpus/geforce-gts250 (GeForce GTS 250)
The GPU fit in the PCI slot nicely and I gave it its own line to the power supply (same setup as the old computer). When I turned the computer on the GPU fan spun, but my monitor was not getting a signal.
I put the Radeon HD 6670 that came with the new computer back in and everything works as it should.
Why didn't the GTS 250 work?
Am I wrong and the Raedeon HD 6670 is better and I should just keep it?
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| ensign_lee United States. July 27 2012 02:49. Posts 1021 | Profile # |
Two solutions
1) The GTS 250 needs a 6 pin power connector
2) You need to install drivers. Your old video card is from Nvidia; your new one is from ATI. They do not share the same drivers. |
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| Zinroc Canada. July 27 2012 03:01. Posts 73 | Profile # |
Yup, I did hook it up with the 6 pin power connector
...would the fan spin if I didn't?(I can check this...)
I'll try installing drivers when I get home... but I thought it would atleast send some signal to the monitor even without drivers. |
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| DarKcS Australia. July 27 2012 03:24. Posts 1181 | Profile Blog # |
You didn't confidently connect monitor to VGA/DVI on the motherboard (integrated gfx) and not the GPu slot I hope?
If you didn't maybe u can try using that to get the PC up and running. |
| | Die tomorrow - Live today |
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| padavoine France. July 27 2012 03:33. Posts 37 | Profile # | |
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| Lumi United States. July 27 2012 04:16. Posts 1034 | Profile # |
Have you done your windows install and made it in there yet? If so what OS are you using. If not, it's very possible that it's a driver issue. If you have onboard gfx, have you tried connecting to that yet so that you can get up and running, as darkcs suggested?
Have you installed the drivers for your gts 250? And is the power plug that you're using for the card the maximum number of pins the card can take?
And are you sure that you got a good fit / seating on the gts when you were testing it?
All of that said - if the fan is spinning, and another gfx card works in the slot (so the slot is presumably fine), it sounds like it's just an issue of drivers.Last edit: 2012-07-27 04:37:34 |
| | KT_Violet 1988 - 2012 | n.Die_aSam 1992 - 2012 |
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| Moloch Canada. July 27 2012 04:54. Posts 211 | Profile # |
If it isn't posting (nothing at all is going to the screen when you turn the computer on), then it cannot be a driver problem since the computer hasn't even reached the point where it loads drivers until windows loads.
The GTS250 is a bit better than the 6670. Here is a quick chart that's a culmination of a bunch of different benchmarks. It has the 6670 as well as two 6670s in crossfire, so when you're looking at it be sure not to confuse the two.
In my experience, the number one cause of video cards not posting is the customer plugging the monitor into the motherboard instead of the card. I doubt you're doing that since you're plugging it in properly to the 6670, but it's worth the mention.
The second most likely cause is probably the power supply. Are you using an adapter to get the 6-pin connector? The computer says it only has a 500W psu, which is over the 450W specified by nVidia's site for the GTS250, but if it's a really crappily made psu, it's possible it isn't outputting the power the card needs. Try using your old psu and see if that works.
The last cause I can think of off the top of my head is that the GTS250 died. It doesn't happen often, but if you're unexperienced and accidentally shocked it or something, it could have happened. I would put it back in your old computer to double check that it is still working.Last edit: 2012-07-27 04:55:11 |
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| Zinroc Canada. July 27 2012 22:38. Posts 73 | Profile # |
Checked the GTS 250 on the old computer - it still works (didn't die).
The GTS 250 has two ports for monitor, I tried both, both don't send any signal to the monitor when in the new computer. (I have an acer monitor so while the computer is running I turn the monitor off then on, and it displays the acer logo and then displays a text box saying "no signal", then goes dark, same as when I turn the monitor on without any connection to the computer.)
I am using an adapter to get the 6-pin connector. The adapter attaches to two of the 3 pin wires coming out of the psu. (same adapter as I used in the old computer). Looks like the one in this thread: http://www.tomshardware.com/forum/342202-33-plug-adaptor
I triple checked that it fit correctly into the PCI slot... every pin fits into the PCI slot and none of the pins metalic/gold part is visible at all.
I didn't try using my old comps psu because I read it and realized it was a 350W psu (not sure how its been running the gfx card if its below the minimum all these years but I figure even if I got a crappy 500W psu, it probably gives as much power as my old 350W one which was enough for this GTS 250.)
Also, I tried powering a hard drive with the two 3 pin wires that I later used for the gfx card to make sure both had power and both were able to power the hard drive.
Anyways, thanks for the suggestions,
I think I'll give up on this unless someone has a really good idea of why no signal is being sent to the monitor. Last edit: 2012-07-27 22:41:11 |
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| kaifragrance Canada. July 28 2012 13:14. Posts 41 | Profile # |
This happened to me, actually. I just reconnected all the power plugs and rebooted several times. It ended up working! Not sure what happened exactly.  |
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| iTzSnypah United States. July 28 2012 14:09. Posts 1251 | Profile Blog # |
| reset CMOS GG problem fixed. |
| | Team Liquid needs more Terrans. |
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| LeSioN United States. July 28 2012 16:28. Posts 313 | Profile # |
| plug into the onboard graphics with the 250 installed and double check that the drivers are installed and up to date. Last edit: 2012-07-28 16:29:33 |
| | Someone needs to tell the truth, but it shouldn't be my job. |
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