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Windows 7: Drive not available in list of drives at backup.

01 Mar 2014   #1

Windows 7 Home
 
 
Drive not available in list of drives at backup.

Problem:
I was trying to make a (standard Windows 7) backup, but the backup drive Y: was not shown in the list of drives available for backup.
Note:
The drive Y: was shown in Explorer!

Analysis:
I think the cause of the problem should be found in the fact that drive Y has the attribute System (and a system drive may not be used for storage of backup files)!
The configuration (2 drives) is as shown in the attachment.
Note:
Partition C has as attributes: Opstarten, Wisselbestand, Actief, Crashdump, Prim. Partitie.
When drive Y is disconnected, drive C gets attribute System too!


Further:
The idea was to use drive Y only for backup purposes. I made a first backup and everything seemed OK. After disconnecting drive Y the PC continued to function.
I want to make a backup now, so I reconnected this drive Y but now it may not be used by the backup!

Question:
How to solve this problem now (I think the attribute System in drive Y has to be removed, but the question is how) and
How to prevent occurring this problem in the future?



Attached Files
File Type: docx Configuration.docx (59.0 KB, 6 views)
My System SpecsSystem Spec
.

01 Mar 2014   #2
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Jan,

Since Y: is considered to be a system and active drive, that would be why you are unable to use is to back up to.

Does your Windows 7 still boot properly if you remove Y: ? If so, then you could format Y: at boot, and should be able to use it to back up to afterwards.

Translation: Partition C has as attributes: Startup, Paging, Active, Crash Dump, Prim. partition

Your screenshot:

Was there a reason why you have unallocated space on Disk 1 like that?

Drive not available in list of drives at backup.-drives.jpg


My System SpecsSystem Spec
01 Mar 2014   #3

Windows 7 Home
 
 

Hello Brink,

After removing drive Y the system is still running normally.

The solution you gave (Format Y) has as disadvantage that the backups stored on the drive will be lost.
Perhaps there is a solution wich does not result in loosing data?
My System SpecsSystem Spec
.


01 Mar 2014   #4
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Did you move anything to your Y: drive?

For example: user folders, page file, etc....
My System SpecsSystem Spec
01 Mar 2014   #5

Windows 7 Home
 
 

Your question "Did you move anything to your Y: drive?" is to be answered with Yes: I stored some installation files (files used rarely) on drive Y, but no pagefile or user data.

Jan
My System SpecsSystem Spec
01 Mar 2014   #6
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

In that case, I'm not sure what would be causing Y: to be seen as a "System" drive.

The only thing I can suggest is to temporarily copy the contents of Y: to another location (if able), format Y: at boot, then copy the contents back.
My System SpecsSystem Spec
02 Mar 2014   #7

Windows 7 Home
 
 

I just found the cause of the System attribute for drive Y:
In the boot/repair screen (System properties, Advanced) the option "List of OS" appeared to be checked.
After unchecking this option the attribute System disappeared.
After this I could backup again!!!!!!!
My System SpecsSystem Spec
02 Mar 2014   #8
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Perfect.
My System SpecsSystem Spec
Reply

 Drive not available in list of drives at backup.




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