Flash drive repair

Hello,
This is what it from DISKPART...

DISKPART> detail disk

Generic Flash Disk USB Device
Disk ID: 00000001
Type : USB
Status : Online
Path : 0
Target : 0
LUN ID : 0
Location Path : UNAVAILABLE
Current Read-only State : Yes
Read-only : No
Boot Disk : No
Pagefile Disk : No
Hibernation File Disk : No
Crashdump Disk : No
Clustered Disk : No

Volume ### Ltr Label Fs Type Size Status Info
---------- --- ----------- ----- ---------- ------- --------- --------
Volume 4 V RAW Removable 29 GB Healthy

Have tried all possible means..
I don't want to loss this drive