Tom's Hardware > Forum > Graphic & Displays > Nvidia > No monitor signal on start up in SLI
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cam_96   10-20-2009 at 01:37:51 AM

hi, i recently upgraded my PC to SLI. I was having trouble with the setup at first, because my motherboard was not recognizing the 2nd card. I decided to go into the bios, and i change the SLI configuration, and everything worked well.

However, since then, whenever i start my PC i get no signal (cant see anything on monitor) until windows starts loading. Once that happens, everything works perfectly. I just cant see the BIOS.

I know this is a SLI problem, since when i remove my 2nd videocard, i can see the BIOS no problem on startup. This problem has persisted in vista and windows 7, although i doubt its a windows problem.

Any help would do please, as I cannot find much online. I feel asthough it isnt a product problem, but something silly in the BIOS, for example a setting.

thanks!

PC SPECS:

Monitor: proview
Videocard: geForce 9800gt SLI
Memory: 6 GB
motherboard: M2N-E sli
Power supply: 700 watts OCZ

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Bronze Graphics badge mousemonkey   10-20-2009 at 01:52:37 AM
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Have you tried shutting down and then swapping the (I assume) DVI lead to the secondary card and then booting up?

------------------------------ [:mousemonkey:1] http://img29.imageshack.us/img29/5041/vr2009champ.jpg
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cam_96   10-20-2009 at 06:09:59 AM
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yes i have. I tried the DVI into all 4 inputs, still no signal.

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Bronze Graphics badge mousemonkey   10-20-2009 at 02:35:49 PM
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I'm assuming you have the latest drivers, it's just that the last time this happened to me was back with a 7900GT SLi rig and it was a driver issue.

------------------------------ [:mousemonkey:1] http://img29.imageshack.us/img29/5041/vr2009champ.jpg
 Reply to mousemonkey
cam_96   10-20-2009 at 04:53:16 PM
- 0 +

i do without a doubt for my video cards.

They only thing that might be in question is my motherboard. Ive gone to the nvidia site, and ive tried installing the latest driver. However i remain unconvinced that they have updates my motherboard.

How can i check this?

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Bronze Graphics badge mousemonkey   10-20-2009 at 05:05:50 PM
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Nv control panel > system information, will show what chipset drivers you have installed.

------------------------------ [:mousemonkey:1] http://img29.imageshack.us/img29/5041/vr2009champ.jpg
 Reply to mousemonkey
cam_96   10-20-2009 at 05:15:51 PM
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hi, thanks for all the replys.

i cant find my system information in the Nvidia control panel.

There arent any options called that

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Bronze Graphics badge mousemonkey   10-20-2009 at 05:20:56 PM
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Which OS are you on? W7, Vista or XP?

------------------------------ [:mousemonkey:1] http://img29.imageshack.us/img29/5041/vr2009champ.jpg
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cam_96   10-20-2009 at 05:22:47 PM
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now, windows 7

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Bronze Graphics badge mousemonkey   10-20-2009 at 05:44:38 PM
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I'm not running W7 on my SLi rig so I am using the Vista install for reference :-
http://img33.imageshack.us/img33/3405/chipseto.jpg
Do you not get this after you have installed the nForce 15.51 drivers?

------------------------------ [:mousemonkey:1] http://img29.imageshack.us/img29/5041/vr2009champ.jpg
 Reply to mousemonkey
cam_96   10-20-2009 at 05:46:56 PM
- 0 +

nope. I dont have both the performance and system update tab.

i could try and load vista and check, i think ive seen that before.

Reply to cam_96
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