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Windows 7: Win7 corrupt file, can't boot anymore

01 Oct 2017   #1
Fabio Poles

Win7 Pro x64
 
 
Win7 corrupt file, can't boot anymore

After having installed video driver from LG my WIn7 won't boot anymore, neither normal boot nor safe or other boot type.
Startup repair cannot repair the computer automatically with installation DVD and I get following problem description:

---
Problem Signature
Problem Event Name: StartupRepairOffline
Problem Signature01: 6.1.7600.16385
Problem Signature02: 6.1.7600.16385
Problem Signature03: unknown
Problem Signature04: 21199544
Problem Signature05: ExternalMedia
Problem Signature06: 17
Problem Signature07: CorruptFile
OS Version: 6.1.7600.2.0.0.256.1
LoaleID: 1033
---

Obviously new monitor has been removed and old monitor is used.
I attached the last part of setupapi.dev.log where last operation recorded was video driver installation.
What could I do to solve the problem?
Thanks in advance.

Ciao

Fabio




Attached Files
File Type: txt setupapi_dev_log 2.txt (114.2 KB, 2 views)
My System SpecsSystem Spec
.
01 Oct 2017   #2
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Hello and welcome Fabio mate first please follow this
Now before we can help we do need to know what is in your machine so please do this System Info - See Your System Specs
or either enter the specs of your system in your forum profile the specs will appear when we click on that little box bottom left of the post screen it is for me the preferable option as it is easy. As you may appreciate it is very hard when you don’t know what one is working with for example a diesel or petrol engine.
(pretyped to save time)


Quote:
OS Version: 6.1.7600.2.0.0.256.1



Now just where did you get the copy of Windows form because this is the very original version and it is not showing any service pack 1 (SP1) ie it should at very least read 7601 not 7600 having said that it could but obviously your copy has not has SP1 added to the OS which means the media you have got is very old indeed.
My System SpecsSystem Spec
02 Oct 2017   #3
Fabio Poles

Win7 Pro x64
 
 

It was just the original installation DVD of my Win7, my system has SP1 and I downloaded new media with SP1 through Microsoft website and my original product key (Scarica le immagini disco di Windows 7 (file ISO)).
System specs updated
My System SpecsSystem Spec
.

03 Oct 2017   #4
Fabio Poles

Win7 Pro x64
 
 

I succeed in repairing the BCD with the bootrec, it was an EFI system so some more tricky operations were needed to find right "boot" directory...
After this the machine "starts" and gives me new black screen with:

---
Windows failed to start. A recent hardware or software change might be the cause. To fix the problem:
1. Insert your windows installation disc and restart your computer
2. Choose language setting then click next
3. Click “repair your computer”

File: \windows\system32\drivers\msahci.sys
status: 0xc0000098

info: windows failed to load because a critical system driver is missing or corrupt

OS Version: 6.1.7601.2.1.0.256.1
---
Then I tried to boot in safe mode without success.
After booting again from ISO I went to cmd.exe and tried "sfc /scannow" which gives "Windows resource protection found corrupted files but was unable to fix some of them"
Noway to correct/replace the mshaci.sys???
My System SpecsSystem Spec
03 Oct 2017   #5
torchwood

W7 home premium 32bit/W7HP 64bit/w10 tp insider ring
 
 

Hi Fabio,

the 98 error relates to NO valid OS found.

have a read of this from our W8 sister forum then read the referenced tutorial in it
I believe that your BIOS settings are causing your current problem.

How to downgrade UEFI W8 laptop to W7


note you will have to install your USB3 drivers after installing NO W7 install disc has them.


Roy
My System SpecsSystem Spec
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 Win7 corrupt file, can't boot anymore




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