500 GB HDD only shows 320 GB in BIOS, OS, and other OS's

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yogita_1

Commendable
Aug 7, 2016
1
0
1,510
i install win 10,I was able to get 500 GB capacity with my previous OS, which was Windows 7 Ultimate 64bit. I'm doing a clean install of Windows 10 Professional 64 bit.

AND I can get the full capacity to show up, only when I fully format the HDD, then leave the computer on forever or warm boot it. But once I do a cold boot, then the partitions go away, and I'm left with 300 Gb of unallocated space.
 
Solution
D_Know_WD
Hi there yogita_1,

There could be something wrong with the drive.
Just back up the data stored on it and test it with some of these: http://www.tomshardware.co.uk/forum/282651-32-best-diagnostic-testing-utility
It would be nice if you can post a screenshot of the SMART report.

You can even attach the drive with different cables to another SATA port, so you can rule out a possible connection related cause of the issue.

HDD not having its full size under BIOS, could indicate some mechanical flaw.

Let me know how this goes,
D_Know_WD :)
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D_Know_WD

D_Know_WD

Judicious
Jul 30, 2014
6,633
3
35,960
Hi there yogita_1,

There could be something wrong with the drive.
Just back up the data stored on it and test it with some of these: http://www.tomshardware.co.uk/forum/282651-32-best-diagnostic-testing-utility
It would be nice if you can post a screenshot of the SMART report.

You can even attach the drive with different cables to another SATA port, so you can rule out a possible connection related cause of the issue.

HDD not having its full size under BIOS, could indicate some mechanical flaw.

Let me know how this goes,
D_Know_WD :)
 
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