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PC won't boot

post #1 of 14
Thread Starter 
Hey guys, looking for a little bit of help here. I was using my PC just fine last night and shut it down like I always do at night, and when I woke up in the morning and fired it up, it never booted to the OS, and my motherboard is displaying an error code of 70 right on the board. I have tried re-seating my 7970, cleaning everything out, booting to a different HD. After doing all this I cleared the CMOS with the button on the back of my motherboard and was actually able to get into the BIOS. Now, I know my board doesn't have integrated video, but does the BIOS have some sort of video chip to display the BIOS? Or if I see the BIOS I can eliminate my 7970 being the problem. From everything I've done I'm leaning towards the GPU. I don't have a spare one, but my buddy is bringing me over one of his old cards later tonight to test it out. Please any suggestions are welcome. PC specs are in my sig.

Edit - Sorry my motherboard is the Extreme 3 Gen3 Z68, 1155 socket set.
post #2 of 14
If you are plugged into the 7970 you can probably rule that out as the issue. Of course your friends extra card will give you a solid yes no on that question.

As for integrated video... You board doesn't have a video card in per say but your processor does and your motherboard has a video port on it that will allow you to utilize that video card. I would remove the 7970 and plug into the motherboards video output.

This will at least allow you to fully remove the 7970 as a suspect.

Good luck.
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post #3 of 14
Quote:
Originally Posted by charlesC8188 View Post

Hey guys, looking for a little bit of help here. I was using my PC just fine last night and shut it down like I always do at night, and when I woke up in the morning and fired it up, it never booted to the OS, and my motherboard is displaying an error code of 70 right on the board. I have tried re-seating my 7970, cleaning everything out, booting to a different HD. After doing all this I cleared the CMOS with the button on the back of my motherboard and was actually able to get into the BIOS. Now, I know my board doesn't have integrated video, but does the BIOS have some sort of video chip to display the BIOS? Or if I see the BIOS I can eliminate my 7970 being the problem. From everything I've done I'm leaning towards the GPU. I don't have a spare one, but my buddy is bringing me over one of his old cards later tonight to test it out. Please any suggestions are welcome. PC specs are in my sig.

Edit - Sorry my motherboard is the Extreme 3 Gen3 Z68, 1155 socket set.

What does error code 70 mean? There is no video chip for the BIOS. It will either using your HD 7970 or it will use the iGPU in your i5. If you want to use the iGPU, you need to use one of the three supplied video output ports on to back of your motherboard.
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post #4 of 14
I googled that error code 70

seems your not the only one getting that issue
error code 70 means"""South Bridge DXE initialisation is started"""

is your bios updated
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by trailer park boy View Post

I googled that error code 70

seems your not the only one getting that issue
error code 70 means"""South Bridge DXE initialisation is started"""

is your bios updated

Do you have any idea what " South Bridge DXE initialization is started" means? Soon as I get back into the OS I will see if the BIOS needs updated. I also saw some other posts about this error with this mobo. + rep for the quick reply, thanks!
Quote:
Originally Posted by givmedew View Post

If you are plugged into the 7970 you can probably rule that out as the issue. Of course your friends extra card will give you a solid yes no on that question.

As for integrated video... You board doesn't have a video card in per say but your processor does and your motherboard has a video port on it that will allow you to utilize that video card. I would remove the 7970 and plug into the motherboards video output.

This will at least allow you to fully remove the 7970 as a suspect.

Good luck.

Thanks for your reply. + rep as well. But if I am plugged into the GPU via mini-dp and the PC is showing the bios doesn't that rule out the GPU? Or does the Bios have some sort of video chip to display the BIOS without the GPU?
Quote:
Originally Posted by xP_0nex View Post

What does error code 70 mean? There is no video chip for the BIOS. It will either using your HD 7970 or it will use the iGPU in your i5. If you want to use the iGPU, you need to use one of the three supplied video output ports on to back of your motherboard.

Not sure what the error code means, but I guess it isn't the GPU since I'm plugged into the 7970 and the BIOS is displaying and I have the settings set to use PCI-Express. + Rep for the quick reply. Thanks!
post #6 of 14
Are you still having issues?
post #7 of 14
i concur with XP, you did all this troubleshooting and automatically started assuming ti was your gpu, the first thing you should of done is figured out what error code 70 is before you draw any conclusions. Now I also have looked into this and there seem to be a bios update that is beta on tweaktown that supposedly fixes this. You're not the only one with this issue, the south bridge is malfunctioning due to something being incorrect, My guess is because I have not looked fully into the issue, the bios update changes some sort of voltage or setting relation to it that you probably don't even have access to change normally in the bios. usually with computer problems, and I'm not saying always, its the simplest route taken that fixes the problem. Example wireless isn't working, well is the wireless even on or disabled?
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post #8 of 14
Thread Starter 
CPUZ 1.png 42k .png file
Quote:
Originally Posted by Yoyo1555 View Post

Are you still having issues?

Yes.


Quote:
Originally Posted by Jedson3614 View Post

i concur with XP, you did all this troubleshooting and automatically started assuming ti was your gpu, the first thing you should of done is figured out what error code 70 is before you draw any conclusions. Now I also have looked into this and there seem to be a bios update that is beta on tweaktown that supposedly fixes this. You're not the only one with this issue, the south bridge is malfunctioning due to something being incorrect, My guess is because I have not looked fully into the issue, the bios update changes some sort of voltage or setting relation to it that you probably don't even have access to change normally in the bios. usually with computer problems, and I'm not saying always, its the simplest route taken that fixes the problem. Example wireless isn't working, well is the wireless even on or disabled?

Never thought of needing a BIOS update when my PC was working just fine. Shut it off at night, next day didn't turn on, and I have been suspecting my GPU of going bad, because it can't handle the clocks I used to run it at. AsRocks page is a bit confusing. I found the page I need to be at but which driver do I download? All the page talks about is updating the BIOS to support 3rd Gen Intel CPU's, if I am even looking at the right spot. I've never really flashed a motherboard BIOS but like 2 times a few years back, and I don't want to brick my mobo.

Right now running Win7x64 and here is the driver page i found: http://www.asrock.com/MB/overview.us.asp?cat=Download&os=Win764&Model=Z68%20Extreme3%20Gen3. There are two different BIOS's, one through the "Click here to download required BIOS" link and then just clicking the USA link.

I'd be very happy if I could be provided a link for the proper BIOS I need to update to. I have attached a SS of CPU-Z and what I believe to be the BIOS version #.

Bios Version # - 2.02.1205.

CPUZ 1.png 42k .png file

CPUZ 2.png 58k .png file
Edited by charlesC8188 - 4/12/13 at 9:11am
post #9 of 14
Thread Starter 
Now it's extremely weird. After plugging into the motherboard video ports I shut my PC down and plugged them back into the GPU, because when I was running on integrated graphics I was able to still hear my GPU fire up and it's clocks were fluctuating. When I turned the PC back on it booted up just fine with full video, and ATM I'm only using 2 monitors. I still think something is up, thinking my SSD might be going bad too. Is there anyway to test a SSD? And I probably still need to update my BIOS, if I can find a for sure link to the proper one.

Edit - Yesterday I also took the card completely apart, removed all the old crudded up thermal paste and put some Artic Silver on the chip and now I have like a 10^c drop in temps. Maybe that's why my GPU wasn't performing like it used to.
Edited by charlesC8188 - 4/12/13 at 9:25am
post #10 of 14
This is the newest bios I could find for your board... Z68 Extreme4 Gen3(2.30)ROM.zip 4214k .zip file
Your bios version will be listed in the actual bios, not sure where you got v2.02.1205, but if that's it, then this is definitely newer.
     
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