Storage forum

Question

How can I fix a broken MBR on my USB?

by thebasix / October 27, 2015 7:58 AM PDT

So I have a SanDisk CruzerBlade 32GB 3.0

It seems like my MBR is broken because there are no files on my drive, but 1/2 of space is still taken, which means there are files on my USB.

So how can I fix my USB's MBR?

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All Answers

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Answer
(NT) Delete the partition that's there, recreate & format.
by wpgwpg / October 27, 2015 9:39 AM PDT
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I dont want to delete my old data
by thebasix / October 27, 2015 11:34 AM PDT

I dont want to delete my old data

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What Data?
by Jared Palmer / October 28, 2015 8:24 AM PDT

In your original post, you said there are not files? Now you say you don't want to delete your old data. So which is it?

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Answer
If the above doesn't pan out try Sandisk's own tool
by R. Proffitt Forum moderator / October 27, 2015 9:49 AM PDT
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I dont want to delete my old data
by thebasix / October 27, 2015 11:34 AM PDT

I dont want to delete my old data

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That's why I copy it out before I fix such things.
by R. Proffitt Forum moderator / October 27, 2015 12:28 PM PDT

Anyone that claims to have a fix on a drive without backup of your files is pretty new to this. That is, "We only lose what we don't backup."

What you want to fix should require a redo of the drive (partition, format, etc.)

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Answer
Re: fix MBR
by Kees_B Forum moderator / October 27, 2015 11:53 AM PDT

- Why do you think the MBR is broken?
- Let me say something else: "You have hidden files on your USB". Did you check that?
- What does chkdsk say about the USB-stick? Always good to know before trying recovery software.
- Where's the original or the backup of the files you copied to that USB-stick? As we say here "You only lose what you don't backup.".

Kees

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It's MBR problem
by thebasix / October 27, 2015 1:43 PM PDT
In reply to: Re: fix MBR

No hidden files. CHKDSK found no problems.

I know it's MBR problem.

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So let's rewrite the MBR as a test.
by R. Proffitt Forum moderator / October 27, 2015 1:48 PM PDT
In reply to: It's MBR problem

EASYBCD can do that. Remember these are YOUR files and if they are lost, no one didn't warn you.

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Re: chkdsk
by Kees_B Forum moderator / October 27, 2015 2:30 PM PDT
In reply to: It's MBR problem

When i run chkdisk on a USB-stick it says:

The file system is checked. No problems were found..
15.104.592 kB total disk space
8 kB in 1 hidden files.
2.888 kB in 359 folders.
6.007.040 kB in 2.149 files.
9.094.648 kB available.

8.192 bytes per cluster
1.888.074 clusters in totaal on disk
1.136.831 clusters available on disk

Somethings seems to be wrong with your chkdsk if it only says "No problems were found."

Kees

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Checking wrong AREA...to OP
by Willy / October 28, 2015 11:58 AM PDT
In reply to: Re: chkdsk

By your last post and then reviewing your initial post, that's a 32gb flash drive. Then why is it reporting or checking 16gb of it, that what's left as that other 1/2 is lost to you. At least check the pgm., Rescuva or similar and see what it reports. I hope you didn't use some cryptic pgm. or such or have the saved files placed as super-duper saved for lack of a better wording and thus only the original PC can access it because of some saved key. MBR will need to access all of it, regardless as any attempt may not be 100% and could hose it regardless. Thinking aloud...

tada -----Willy Happy

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