Run chkdsk. Or follow these instructions. I know it says Vista but every windows version is more or less the same.
http://windows.microsoft.com/en-us/windows-vista/check-your-hard-disk-for-errors
The current 32gb SD I'm using now I never checked when I bought it. Ran fine for about 3 months then I started loosing files and having ROM errors and the such. Was a bad sector from day one... A deep filesystem check and 20 hours later, still no problems years later.
Just better safe then sorry. ; )
This is the result of chkdsk:
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
<Provider Name="Microsoft-Windows-Wininit" Guid="{206f6dea-d3c5-4d10-bc72-989f03c8b84b}" EventSourceName="Wininit" />
<EventID Qualifiers="16384">1001</EventID>
<Version>0</Version>
<Level>4</Level>
<Task>0</Task>
<Opcode>0</Opcode>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2014-11-10T03:24:35.000000000Z" />
<EventRecordID>15696</EventRecordID>
<Correlation />
<Execution ProcessID="0" ThreadID="0" />
<Channel>Application</Channel>
<Computer>laptop</Computer>
<Security />
</System>
- <EventData>
<Data>Checking file system on C: The type of the file system is NTFS. Volume label is OS. One of your disks needs to be checked for consistency. You may cancel the disk check, but it is strongly recommended that you continue. Windows will now check the disk. CHKDSK is verifying files (stage 1 of 3)... 244224 file records processed. File verification completed. 925 large file records processed. 0 bad file records processed. 0 EA records processed. 44 reparse records processed. CHKDSK is verifying indexes (stage 2 of 3)... 322106 index entries processed. Index verification completed. CHKDSK is scanning unindexed files for reconnect to their original directory. 1 unindexed files scanned. CHKDSK is recovering remaining unindexed files. 1 unindexed files recovered. CHKDSK is verifying security descriptors (stage 3 of 3)... 244224 file SDs/SIDs processed. Cleaning up 447 unused index entries from index $SII of file 0x9. Cleaning up 447 unused index entries from index $SDH of file 0x9. Cleaning up 447 unused security descriptors. Security descriptor verification completed. 38942 data files processed. CHKDSK is verifying Usn Journal... 36873640 USN bytes processed. Usn Journal verification completed. Correcting errors in the master file table's (MFT) BITMAP attribute. CHKDSK discovered free space marked as allocated in the volume bitmap. Windows has made corrections to the file system. 170054655 KB total disk space. 145706860 KB in 175466 files. 137132 KB in 38944 indexes. 0 KB in bad sectors. 353151 KB in use by the system. 65536 KB occupied by the log file. 23857512 KB available on disk. 4096 bytes in each allocation unit. 42513663 total allocation units on disk. 5964378 allocation units available on disk. Internal Info: 00 ba 03 00 93 45 03 00 fc 11 06 00 00 00 00 00 .....E.......... 83 1e 00 00 2c 00 00 00 00 00 00 00 00 00 00 00 ....,........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Windows has finished checking your disk. Please wait while your computer restarts.</Data>
</EventData>
</Event>
+ System
- Provider
[ Name] Microsoft-Windows-Wininit
[ Guid] {206f6dea-d3c5-4d10-bc72-989f03c8b84b}
[ EventSourceName] Wininit
- EventID 1001
[ Qualifiers] 16384
Version 0
Level 4
Task 0
Opcode 0
Keywords 0x80000000000000
- TimeCreated
[ SystemTime] 2014-11-10T03:24:35.000000000Z
EventRecordID 15696
Correlation
- Execution
[ ProcessID] 0
[ ThreadID] 0
Channel Application
Computer laptop
Security
- EventData
Checking file system on C: The type of the file system is NTFS. Volume label is OS. One of your disks needs to be checked for consistency. You may cancel the disk check, but it is strongly recommended that you continue. Windows will now check the disk. CHKDSK is verifying files (stage 1 of 3)... 244224 file records processed. File verification completed. 925 large file records processed. 0 bad file records processed. 0 EA records processed. 44 reparse records processed. CHKDSK is verifying indexes (stage 2 of 3)... 322106 index entries processed. Index verification completed. CHKDSK is scanning unindexed files for reconnect to their original directory. 1 unindexed files scanned. CHKDSK is recovering remaining unindexed files. 1 unindexed files recovered. CHKDSK is verifying security descriptors (stage 3 of 3)... 244224 file SDs/SIDs processed. Cleaning up 447 unused index entries from index $SII of file 0x9. Cleaning up 447 unused index entries from index $SDH of file 0x9. Cleaning up 447 unused security descriptors. Security descriptor verification completed. 38942 data files processed. CHKDSK is verifying Usn Journal... 36873640 USN bytes processed. Usn Journal verification completed. Correcting errors in the master file table's (MFT) BITMAP attribute. CHKDSK discovered free space marked as allocated in the volume bitmap. Windows has made corrections to the file system. 170054655 KB total disk space. 145706860 KB in 175466 files. 137132 KB in 38944 indexes. 0 KB in bad sectors. 353151 KB in use by the system. 65536 KB occupied by the log file. 23857512 KB available on disk. 4096 bytes in each allocation unit. 42513663 total allocation units on disk. 5964378 allocation units available on disk. Internal Info: 00 ba 03 00 93 45 03 00 fc 11 06 00 00 00 00 00 .....E.......... 83 1e 00 00 2c 00 00 00 00 00 00 00 00 00 00 00 ....,........... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ Windows has finished checking your disk. Please wait while your computer restarts.
I hope that makes more sense to someone else lol
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