Just bought ASUS Sabertooth 990FX R2.0 now blue screens on windows start

Jborg · Nov 8, 2014

Ok, just swapped from my 970 ASRock extreme 4 to this Sabertooth. It is starting just fine, but when it reaches the Windows 7 loading screen it crashes about 2 seconds in. The blue screen flashes real quickly and then it restarts. I updated the BIOS with the disk in the actual BIOS. Didn't do anything. Also I noticed the RAM is running @ 1333 instead of 1866.

I am assuming it is because Windows is still booting with my previous motherboards drviers. However I just wanted to get some input. I am going to try and reinstall windows and see what happens.

majic2 · Nov 8, 2014

Think it is ram - there is something known as the blue screen of death which you might have normaly is caused by ram. Try outting it to the proper speed and make sure it is inserted into the recomended slots

plaintuts · Nov 8, 2014

You need to re install the OS after changing the motherboard

nukemaster · Nov 8, 2014

Sometimes you luck out on a board swap, others you get this.

Chances are you will have to do a fresh install of Windows to get this all fixed up.

Jborg · Nov 8, 2014

Just to be sure I tried swapping the RAM to slots 1 and 3... didnt change anything. Also tried to change the timing to 1866 and is saying the Overclocking has failed. Reinstalling windows now.

majic2 · Nov 8, 2014

Yep seems like windows then sorry wasnt sure what was going on - at what point the blue screen came

Jborg · Nov 8, 2014

I am assuming its probably because I went from ASRock to ASUS. I should have stuck with the 990 from ASRock, may have avoided this then. Oh whatever. Lovely computer troubles

Jborg · Nov 8, 2014

But still, what should I do in terms of getting the ram running correctly. It is 1866 ram. But running at 1333. And whenever I changed it to 1866 it was saying overclocking failed.

GhislainG · Nov 8, 2014

You made sure the SATA controller is configured as it was on the old motherboard? The system will crash with error 0x0000007b if the SATA controller is not configured correctly.

Paul NZ · Nov 8, 2014

Yup if the old one was on IDE and this is on AHCI it'll crash with that ^^

Jborg · Nov 8, 2014

Well that seems to have solved it. Swapped it over to IDE and it boots fine. What is the best setting for this to be set too? IDE or AHCI? Installing MB drivers now.

Is there anyway to set it up to on for AHCI or is it even worth it?

Paul NZ · Nov 8, 2014

You cant it should be on AHCI when windows is installed. Not after. Otherwise it'll crash

If it were mine I would do a clean install, which will fix it

GhislainG · Nov 8, 2014

Jborg :

Since your OS is Windows 7, you can easily change to AHCI without reinstalling: http://support.microsoft.com/kb/922976

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Just bought ASUS Sabertooth 990FX R2.0 now blue screens on windows start

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