Windows 7 BSOD

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Hi all,

I'm running windows 7 x64.

The BSOD occured after I used a program called driver hub to update my drivers. It was going well, however after attempting to download a driver (I believe it had to do with a USB driver but I can't confirm) my computer shutdown. I restarted the computer and tried to reinstall the driver, I also got a prompt to update windows so I did that as well. My computer shutdown again but this time it loaded into a BSOD.

I've tried to boot into safe mode and it starts loading drivers but then stops and shuts down. I tried to use last know good configuration but that didn't work either. I tried to load into automatic repair mode but that didn't work, and system restore doesn't work either. I do however have access to command prompt, windows memory diagnostics, and system image recovery (although it says windows cannot find a system image on this computer)

Technical Information on blue screen:

*** STOP: 0x0000007E (0xFFFFFFFF80000003, 0xFFFFF8800194A02D, 0xFFFFF880009A9468, 0xFFFFF880009A8CD0)

*** asstahci64.sys - Address FFFFF8800194A02D base at FFFFF88001934000, Datestamp 599a919f
Information from startup repair
Problem signature:
Problem Event Name: StartupRepairOffline
Problem Signature 01: 6.1.7600.16385
Problem Signature 02: 6.1.7600.16385
Problem Signature 03: unknown
Problem Signature 04: 21198527
Problem Signature 05: AutoFailover
Problem Signature 06: 11
Problem Signature 07: 0x1000007e
OS Version: 6.1.7601.
Locale ID: 1033

Diagnosis and repair details:
Root cause found:
Unknown Bugcheck: Bugcheck 1000007e. Parameters = 0xffffffff80000003, 0xfffff8800ad8502d, 0xfffff880033dfec8, 0xfffff880033df730.

Repair action: System files integrity check and repair
Result: Failed. Error code = 0x490
Time taken = 136422 ms
Session details
System Disk = \Device\Harddisk0
Windows directory = D:\Windows
AutoChk Run = no
Number of root causes = 1

Ask me if you need any other information.

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 asstahci64.sys is for a Asmedia 106x SATA Host Controller Driver. So either the driver is bad or your hard drive / sata device has bad sectors or something throwing a controller error.


If possible download the portable version of this and see if you can run it from the command line off a flash drive to check the health of your hard drive.


It's also possible that your sata mode in your bios got switched from AHCI or raid to IDE or vice versa. So go into your bios setup and see what your sata mode is set to. It's possible your bios may have reset it self after a power outage due to a dead CMOS battery.


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Have you entered into the computer's BIOS settings and see if the drive type accidentally changed from SATA to IDE, or vice-versa?




Aryeh Goretsky

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