NTFS drive wont mount - "unknown filesystem"?

[Dave Woyciesjes]

David McNally wrote:
> On Tue, Jan 19, 2010 at 7:10 PM, sdavmor <sdavmor at systemstheory.net> wrote:
>> David McNally wrote:

>>> >From what sdavmor and Preston said, it seems as though I should plug
>>> it into a Windows machine and run chkdsk on it. I do have an old XP
>>> machine that still works properly, so I suppose I'll try it on that. I
>>> suppose I need to go into Start - Accessories and find chkdsk in there
>>> somewhere. Probably not too hard.
>>>
>>> If I do that, about how long should the chkdsk take? It's a 700 GB
>>> hard drive, with about 600 GB used. Will it need to run overnight?
>>>
>>> Thanks.

>> Open a Windows DOS box (the cmd program). Then you can run:
>>
>> chkdsk driveletter /flags
>>
>> i.e. chkdsk z: /f
>>
>> I think you'll want /? to see what flags are available to you.

 >
 > If I log in as administrator, will I get all of the rights that I want?
 >

	Yep, you'll be good to go. Preston also described how to do it via the GUI:
"...going to My Computer, right-clicking the drive, go to Properties, 
then the Tools tab, then Check Now in the error checking section (that 
is for Win XP, it may be some where a little different for Vista or 7). 
  Make sure to check the "Automatically fix file system errors"  Once 
you are done, make sure to either shut Windows down completely, or 
right-click the drive in My Computer and click Eject to before removing 
it..."

	I'm not sure if there is a difference between doing it via the GUI or 
doing chkdsk <driveletter> /f at the command line. You could always 
hedge your bets and do both...;-)

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--- Dave Woyciesjes
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