Windows 7 Forums

Welcome to Windows 7 Forums. Our forum is dedicated to helping you find support and solutions for any problems regarding your Windows 7 PC be it Dell, HP, Acer, Asus or a custom build. We also provide an extensive Windows 7 tutorial section that covers a wide range of tips and tricks.


Windows 7: After chkdsk on ext. drive : corrupted .exe files, jpegs, pdf's etc...

04 Jul 2014   #1
AlanN

Windows 7 x64 Pro
 
 
After chkdsk on ext. drive : corrupted .exe files, jpegs, pdf's etc...

So here is the history of the problem,

I am on Windows 7 pro running on a Sandisk Extreme 240go. I just had a RAID 5 failure (one disk
failed, that was a 4x 4TB internal sata setup). After the fail, my data was still accessible, so I
decided to back it up on seperate disks (2TB flavor). I rebuildt the RAID array differently cause
RAID 5 option via Intel Rapid Storage kept failing, so I made 2x brand new RAID 1 to get 2x 4TB
backup storage. Well, the build process went well, no issues so far.

But when I plugged my backups (2TB ones) via external docking, these drives went suddenly
corrupted and inaccessible... I ran chkdsk on the 2TB's backups and somehow it fixed quite alot of
« problems ». So far so good... Drives can be accessible again. I navigate inside the disk to check
the integrity and I realize this : all my jpegs, pdf, software .exe, and Premiere Pro projects showed
up corrupted, impossible to open them, everything corrupted... except my video files (which
fortunally represents 90% of my backup). But impossible to open my «very important » Premiere
Pro projects, my jpegs and my pdf's. This only happened in my backup drives. Other drives are
simply fine with such files.

I decided to run a virus scan on the backup drives, and Norton found this : « W32 changeup »
associated with buebud.exe. It said it fixed the problem, but I still can't access my files !
I now just wonder if chkdsk did not totally messed up the backup drives. And I also wonder why
my video files are not affected by this problem.

I am quite desperate.... Can someone help me, please ?


My System SpecsSystem Spec
.
04 Jul 2014   #2
Berton

Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
 
 

Quote:
But when I plugged my backups (2TB ones) via external docking
Quote:
o I made 2x brand new RAID 1 to get 2x 4TB
Sounds like the RAID setup doesn't like being changed. It probably would have been better to get the drives connected as desired, set up the RAID then not change the physical connections.
My System SpecsSystem Spec
04 Jul 2014   #3
AlanN

Windows 7 x64 Pro
 
 

I mean I backed up all my RAID 5 before touching anything on the RAID structure. Now my backup disks (not the RAID disks) are corrupted, probably due to a chkdsk on them (or a virus)
My System SpecsSystem Spec
.

04 Jul 2014   #4
gregrocker

 

We never see anything but problems here with RAID. Never once a good report, only problems making it clear WIn7 doesn't like it on top of the fact it offers no speed advantage over an SSD and isn't even redundant since you almost always lose the data on both drives if you lose one HD.

In addition Disk Check requires a back up before fixing the file system which can result in data loss.

All data should be backed up anyway, and not to RAID.

I suggest you unRAID the HD's, unplug all but one to Clean Install Windows 7 and then do a backup to the other of a System Image and data files.
My System SpecsSystem Spec
05 Jul 2014   #5
AlanN

Windows 7 x64 Pro
 
 

Well, RAID and Windows are no good friends... Probably...
I mean my post has maybe not been very clear due to its history, but I dont think my problem is related to RAID, but cause of a chksdsk or a virus. So... Chkdsk or virus? I just really wonder. What did actually corrupt my files?
My System SpecsSystem Spec
05 Jul 2014   #6
gregrocker

 

It's hard to say with certainty. But my guess would be Disk Check file system repair complicated by the RAID.
My System SpecsSystem Spec
Reply

 After chkdsk on ext. drive : corrupted .exe files, jpegs, pdf's etc...




Thread Tools Search this Thread
Search this Thread:

Advanced Search




Similar help and support threads
Thread Forum
Files corrupted after being copied to a different hard drive
I copied several large files (between 1 and 4 GB) from one USB hard drive to another. At the target destination several of the files had defects. They were in general not completely unreadable. Most could still could be opened but had clearly corrupted data. My question now is how does this...
General Discussion
External hard drive corrupted, CHKDSK stalls at 76% complete
I am trying to fix a new Toshiba Canvio 3.0 1.5TB drive that has errors. Each time I plug it in, I'm directed to run CHKDSK, but CHKDSK fails to complete with the /f parameter. The process stalls at 76%. If I run CHKDSK without the /f parameter, I get the following result: Again, if I run...
Hardware & Devices
hidden files of jpegs - my first post in a very long time!!!
Hello all.....!!!! Wow, I have not required help in a VERY LONG time. But, well now I do..... About 6 weeks ago I re-installed W7 on my SSD While doing this I unplugged my two HDDs just to be safe. Until today I had no reason to look at the HDDs These HDDs serve a single purpose. Storage &...
General Discussion
Cannot restore hard drive because of corrupted files?
At the moment, my Gateway M-Series laptop which has Windows 7 32bit will not do a system restore! It says my local disc ( C: ) has errors, it cannot check these errors so that I can restore the computer My computer doesn't want to connect to the Internet also (lucky for me I have other means of...
Backup and Restore
Corrupted file system after CHKDSK
Hi, I need some help! I have an Acer Aspire 5734Z with Windows 7 Home Premium 64-bit installed and ever since I got my computer I've been having trouble starting Windows normally. Like many time before, a week ago my computer started again freezing at the Windows logo every time I put it on....
Performance & Maintenance
corrupted hard drive (trying to recover files)
i have a hard drive that suddenly went corupt. i didnt format it but did have to buy a new hard drive which i needed anyways for more storage and i reinstalled windows 7. when i pluged in the hard drive it comes up as a drive but asked to be formatted before in use. how can i recover my files off...
Backup and Restore


Our Sites

Site Links

About Us

Find Us

Windows 7 Forums is an independent web site and has not been authorized, sponsored, or otherwise approved by Microsoft Corporation. "Windows 7" and related materials are trademarks of Microsoft Corp.

© Designer Media Ltd

All times are GMT -5. The time now is 16:18.

Twitter Facebook Google+



Windows 7 Forums

Seven Forums Android App Seven Forums IOS App