Before you begin
Save open work and back up important files. Use instructions for your exact device and software version. If Windows cannot start, see the startup guide.
Work through these checks
0 of 3 complete01Do not format the drive if you want to keep the data
- Do not format the drive if you want to keep the data
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
02Use data recovery software (TestDisk, Recuva) to rescue the
- Use data recovery software (TestDisk, Recuva) to rescue the
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
03partition Try CHKDSK repair with /f parameter (can be risky for recovery)
- partition Try CHKDSK repair with /f parameter (can be risky for recovery)
What to expect
Check whether the original symptom still occurs.
If it does not helpContinue only if this check applies to your device. Consult its manufacturer if you are unsure.
Possible causes
- Sudden power failure during write
- Unfinished formatting or resizing of partition
- Virus attack on MBR/MFT table
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