Issue with Bitlocker encrypted fixed drive (non OS ) .

[Chester]

[FONT=&quot]Need help with Bitlocker encrypted fixed drive (non OS ) on primary partition Windows 7 64bit Ultimate.
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[FONT=&quot]Drive D is encrypted however from last few days the lock icon displayed on the drive is missing and it is being displayed as unknown file system (Bitlocker Encrypted) in diskmgmt.
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[FONT=&quot]While try to open the drive getting error location is not available & access denied , no option to unlock it through right click . Only I can unlock it via opening bitlocker from control panel or through elevated cmd manage-bde -unlock D:[/FONT]
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[FONT=&quot]Tried All scenarios.[/FONT]
[FONT=&quot]1. Unlock and then lock it again(reboot + shutdown).[/FONT]
[FONT=&quot]2. Restarted the bitlocker service.[/FONT]
[FONT=&quot]3. tried changing the drive letter .[/FONT]
[FONT=&quot]4. Unlock + disk defrag .[/FONT]
[FONT=&quot]5. no suspend or resume option available for drive in bitlocker settings.[/FONT]
[FONT=&quot]6. Run chkdsk /f /r also, no issues reported.[/FONT]
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[FONT=&quot]Issue remains same no icons display for unlock or lock drive , no right lick option to unlock & getting same above error while double click on a drive . However I have checked it still shows drive as encrypted so it's mean encryption is sill running fine[/FONT]