Blue Screen

Hello,I have a Toshiba Satellite C655-S5132 with Windows 7. I have a BSOD ( Blue Screen of Death) on my laptop. File name iastor.sys. How do repair this problem. I have restored my pc and still have this problem, can u help me please.
bigboi22Asked:
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bigboi22Author Commented:
Help
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remixedcatCommented:
can you boot in safe mode?
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DLehCommented:
That file is used to provide certain access to your harddrives called Intel® Rapid Storage Technology.

Try downloading a new driver from Intel.  Apparently, many OEM drivers are shipped with problems.

http://downloadcenter.intel.com/SearchResult.aspx?lang=eng&ProductFamily=Chipsets&ProductLine=Chipset+Software&ProductProduct=Intel%C2%AE+Rapid+Storage+Technology&OSVersion=Windows+Server*+2003+Standard+Edition
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bigboi22Author Commented:
I can use safe mode and safe mode with networking.
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Steven CarnahanNetwork ManagerCommented:
There was also an MBR rootkit that caused this awhile back.  I think there was quite a conversation about this at:   http://forums.techguy.org/windows-7/967269-bsod-iastor-sys-windows-7-a-3.html

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remixedcatCommented:
also please run a sfc /scannow to ese if it fixes the problem
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bigboi22Author Commented:
i have tried sfc /scannow and its still the same result.
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bigboi22Author Commented:
Thanks, i have also tried it aswill, i tried the link above but its saying i cant do that in safe mode.
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remixedcatCommented:
so you've tried the steps above and they didn't work... the windows 7 recovery?

try the startup repair option.
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bigboi22Author Commented:
I think, cant u make an OS disk from your pc if not, where do i get one from.
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bigboi22Author Commented:
start up repair didnt work either, also tried chkdsk
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remixedcatCommented:
you might have to boot a recovery disk like UBCD or a minimal linux distro.

then make sure you load a new iastor.sys file onto a pen drive,

then boot into the recovery disk or linux distro. and try to place the new file there and see if that works.

UBCD is a very good tool.
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remixedcatCommented:
also there is a site to get legal windows 7 isos for you to use for reinstallation/recovery:

you can burn these with poweriso, magicdisk, nero, or other software.


32 bit W7:
http://msft-dnl.digitalrivercontent.net/msvista/pub/X15-65732/X15-65732.iso

64 bit W7:
http://msft-dnl.digitalrivercontent.net/msvista/pub/X15-65733/X15-65733.iso
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remixedcatCommented:
you can also put it onto a usb flash drive/hard drive using the microsoft tool to save a disc: https://store.microsoft.com/Help/ISO-Tool
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remixedcatCommented:
Ok it appears that MS removed the tool from pressures from the open source community but cnet has it!

http://download.cnet.com/Windows-7-USB-DVD-Download-Tool/3000-18513_4-10972600.html

this allows you to put W7 on a pen drive and install it
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remixedcatCommented:
someone else's fix:
What worked for me :
- Boot in Safe mode with command prompt (BSOD in regular Safe mode)
- Open device manager with command "devmgmt"
- Browse for "IDE ATA/ATAPI controllers"->"Intel...SATA AHCI Controller".
- Right-Click on it and select properties.
- In "Driver" tab, click on Roll Back Driver.

It will use driver version 7.0.0.1013 from digital signer "Microsoft Windows Driver Compatibility Publisher". Close all dialogs and reboot.
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bigboi22Author Commented:
Thanks for your help, ill let you know if it worked :)
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remixedcatCommented:
ok ;-)
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DLehCommented:
Testing Suggestion.

You may have a hardware failure, not software.  Download Ubuntu Live CD from http://www.ubuntu.com.

Boot into the Live CD and select "Try" NOT "Install".  Once the OS installs, go to the top left menu and select System -> Administration -> Disk Utility

From there, select your drive under Storage Devices listed on the left hand side.  With the drive selected, select SMART Data on the right hand side. Then select Run Self-test.  Run the Extended test.

Report back any problems that it reports.

If that does not report back problems, go back to the main Disk Utility screen, select your drive on the left hand side again.  On the right hand side, select Check Filesystem.  If this doesn't start, make sure you Unmount Volume first.

Report back any problems that this reports.

Now, remove the CD and reboot into Windows.

If you are still getting a Blue Screen, you should try to reinstall Windows from scratch per remixedcat's recommendations.  Even if the re-installation fails, you can always boot up through the Ubuntu Live CD and recover your personal data off of the hard drive, which I recommend you do immediately.

And if all else fails, you can try installing Ubuntu permanently.  However, if you have a hardware failure, this will not work either.  It may also void any warranty you have.  Using the Live CD without installing should not cause any warranty violations.  I assume the device is no longer under warranty at this point, though.
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DLehCommented:
Sorry, I mean to say "Once the OS loads", not "installs".
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bigboi22Author Commented:
I have tried safe mode with command prompt and typed in devmgt and couldnt click the roll back tap, tried to install lastest update and it said its already udated.
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remixedcatCommented:
did you try the driver rollback in normal safe mode?
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bigboi22Author Commented:
i will give me a min
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remixedcatCommented:
ok
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bigboi22Author Commented:
that didnt work either
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remixedcatCommented:
I will look into this further.
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bigboi22Author Commented:
thanks for your help and support
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remixedcatCommented:
no problem-o
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bigboi22Author Commented:
i think i have tried everything, even if i try to install a repair i have to do so in normal mode. normal mode want stay on long enough for me to try anything.
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remixedcatCommented:
have you tried the other suggestions?
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bigboi22Author Commented:
which one
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bigboi22Author Commented:
i ve tried every suggestion u gave me
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bigboi22Author Commented:
do u know of anything else i can download
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remixedcatCommented:
so did you do malware scans and stuff like that?
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remixedcatCommented:
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remixedcatCommented:
bootrec.exe /fixmbr from the recovery console command prompt
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bigboi22Author Commented:
The link posted help out alot. i did a kaspersky free scan and it solved my problem right away thanks for your help.
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remixedcatCommented:
no problem-o!!! ;-)
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bigboi22Author Commented:
thanks for the solution to my problem, kaspersky is the scan that worked, thanks for your time. :-)
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remixedcatCommented:
not  a problem ;-)
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Steven CarnahanNetwork ManagerCommented:
Interesting.  The link that I pointed to in comment 35301549 pointed to Kapersky as the solution.  Glad you got it fixed.
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bigboi22Author Commented:
sure did, im sorry i missed that, but it worked for me and thank you for helping also, u guys are the best....
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