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BSOD upon startup.


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#1
irelandsape

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Recently my laptop had been plagued by numerous scareware viruses. (security tool, resident shield alert, etc) I was pretty satisfied with all the informative/helpful online walkthroughs that helped me get rid of them all. But the other night I rebooted it and it went through that whole "one of your disks needs to be checked for consistency" things. I thought that was all fine and good, that there couldn't be any harm in it, so I let it run through and I noticed it started deleting a ton of stuff.

It finished like it was all hunky dory and it had done me a big favor, then it proceeded through with the start up. The first two loading screens seemed fine enough, but after the windows one I get the blue screen telling me there'd been a FATAL ERROR and that the system had shut down. It restarted again, two loading screens, then the blue screen again. It loops, seemingly forever and ever.

I'm thinking about nuking/reformatting the stupid thing, but from what I understand I need to at least be in Windows to do that? Tapping F8 for Safe Mode only makes the speakers make this awesome bleepety-booping noise.

Those are the Symptoms. Possible Causes? Cures? If worse comes to worst I'll probably just smash it with a hammer until it's this soft powdery dust cloud of what-used-to-be, then invest in a better machine. This is my one computer though (I'm using someone else's laptop at the moment), so I'd be forever grateful for any help or advice. Thanks.
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#2
Macboatmaster

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"One of your disks needs to be checked for consistency" on booting is the standard Windows chkdsk message - HOWEVER you will never see on the genuine chkdsk that "a ton of stuff is being deleted"
INTERRUPTING or STOPPING a disk check once it has started is VERY DANGEROUS, Microsoft specifically warn against it.
What message and on what type of screen ie: colour and any image were these messages displayed and what was displayed when chkdsk finished.

The cause of this message ( the genuine one ) immediately after the boot screen is if it keeps appearing usually bad sectors on the hard drive, meaning it is likely to fail anytime, or a ram fault.

I would take immediate steps to backup any important data by slaving the drive etc.

Edited by Macboatmaster, 02 September 2010 - 02:49 PM.

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#3
diabillic

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probably deleting orphaned files created by whatever malware you had on your pc.

to do a fresh install, lets find out what kind of machine you have. most newer machines have recoveries built in.
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#4
irelandsape

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The deleting a ton of stuff wasn't really a quote, that's just my recollection of what was happening. It did say it was deleting certain "orphaned files" like diabolic said.

I managed to get a pic with my camera phone, the stop code is c000021a. Some other numbers, not quite sure what they mean: 0x0000034.

probably deleting orphaned files created by whatever malware you had on your pc.

to do a fresh install, lets find out what kind of machine you have. most newer machines have recoveries built in.

Toshiba Satellite A105-S2051 (PSAA2U-049018)

And thanks for the fast replies. :)
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#5
diabillic

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0x21a is caused alot of times by malware. i actually just redid a machine with the same issue. format and reinstall fixed that.

i would also test the memory as well, sometimes that can cause it as well. grab memtest+ from my signature and test out your memory.
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