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GTS 450 and mini hdmi connector problem!

post #1 of 9
Thread Starter 
So I installed an EVGA GTS 450 in my HTPC. I connected it via mini HDMI connector with a Mini-HDMI to HDMI Cable that came with my GTX 470.

Here was the problem. I gt video and sound great! I first installed the newest drivers 270.61 and the video was flickering and losing video signal. My sound was messed up, it make a cracking sound. Anyhow, I installed the previous drivers 266.58 and these drivers run great. No problem at all.

The problem now. I get video and sound. The only thing I don't see is the bios on start up???? Even though I hit delete to try to enter BIOS, I don't see it. I see a black screen. When I start the computer normally, I don't see any kind of display until the Windows 7 start up screen.

Why can't I see my BIOS page? Is there something I have to configure in BIOS. I also connected with DVI and I CAN enter bios normally.

My gts 450 is connected to my LCD via hdmi. I then have my LCD connected via coaxial S/PDIF to my surround sound (surrond sound in a box).

What do you guys recommend I do?

LCD is a Mitsubishi LT-46244
Edited by Carlitos714 - 4/27/11 at 8:56pm
post #2 of 9
Odds are the TV that you have it hooked up to doesn't like the resolution that the BIOS screen is coming up at. I'm afraid you're going to have to hook it up to a PC monitor if you want to get to your BIOS.
post #3 of 9
Quote:
Originally Posted by Flying Toilet View Post
Odds are the TV that you have it hooked up to doesn't like the resolution that the BIOS screen is coming up at. I'm afraid you're going to have to hook it up to a PC monitor if you want to get to your BIOS.
I've had the same thing happen with me too.. Unfortunately, the only fix I could find was to use a monitor when I wanted to get into the bios. But those times were very rare.
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Big Blue
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post #4 of 9
Thread Starter 
Quote:
Originally Posted by Flying Toilet View Post
Odds are the TV that you have it hooked up to doesn't like the resolution that the BIOS screen is coming up at. I'm afraid you're going to have to hook it up to a PC monitor if you want to get to your BIOS.
man thats is a pain!
post #5 of 9
Thread Starter 
Quote:
Originally Posted by raiderxx View Post
I've had the same thing happen with me too.. Unfortunately, the only fix I could find was to use a monitor when I wanted to get into the bios. But those times were very rare.
you leave me with no hope! i was hoping to hear something better
post #6 of 9
Does the TV say 'no signal' or whatever message is displayed when the HTPC is off?

Does the TV have a PC input or just a HDMI labeled as 'PC'? Does it act any differently if plugged in there? Does it have a device setting for each input? i.e. have you told the TV that device is a PC?

The computer may not be outputting the video until the drivers kick in. What is the graphics card setting in the BIOS? i.e. set to onboard or the slot 1st? Is it overclocked (if so, undo that and see what happens).

The crackling picture/sound issues could very well have been due to bad connections. Are the cable connections stressed at all? Maybe try a different cable and a mini HDMI to std HDMI adapter, and go back to the old drivers. <--- That would be my 1st step.
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post #7 of 9
I also see in your sig the mobo has HDMI - what happens if you run that to the TV? If that works, it's not a problem with the TV, it's a cable or computer issue.
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post #8 of 9
Thread Starter 
Quote:
Originally Posted by DaveG View Post
Does the TV say 'no signal' or whatever message is displayed when the HTPC is off?

Does the TV have a PC input or just a HDMI labeled as 'PC'? Does it act any differently if plugged in there? Does it have a device setting for each input? i.e. have you told the TV that device is a PC?

The computer may not be outputting the video until the drivers kick in. What is the graphics card setting in the BIOS? i.e. set to onboard or the slot 1st? Is it overclocked (if so, undo that and see what happens).

The crackling picture/sound issues could very well have been due to bad connections. Are the cable connections stressed at all? Maybe try a different cable and a mini HDMI to std HDMI adapter, and go back to the old drivers. <--- That would be my 1st step.
im gonna have to see what i says when the cpu is off and the monitor on

My tv has 4 hdmi connections. I then have to go into the TV settings and choose "PC" Mode. It is in this mode right now. If I leave it in HDMI mode, there is overscaling. When the comptuers boots I see an message "invalid signal". Sometimes I can go into the bios or see the windows boot screen but Its blurry. I will try to take a picture. Strange problem. I put the video setting in bios as default. dont remember if its peg.....dont remember the rest of the names. next time i turn it on i i will see if i can enter bios. no overclocking at all

I disabled my hdmi audio.

With I am running the previous drivers on gts 450. with the newer one it was just messing up too much.
post #9 of 9
Thread Starter 
Quote:
Originally Posted by DaveG View Post
I also see in your sig the mobo has HDMI - what happens if you run that to the TV? If that works, it's not a problem with the TV, it's a cable or computer issue.
it runs perfect with the mobo. not problems at all
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