3 tb hard disk showing 2 tb only and 745 gb unallocated space WHY ???

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D_Know_WD
Hi there salilskp,

My guess would be that the drive is partitioned to MBR.
In order to utilize all the HDD space, you need to re partition it to GPT. As your friend's MOBO supports UEFI and the OS is 64 bits, I guess you should have no issues using the 3 TB drive as a boot one.
Check this out: https://support.microsoft.com/en-us/kb/2581408

After that, you can test it with WD's Data Lifeguard Diagnostic tool just to make sure the drive is in good condition: http://products.wdc.com/support/kb.ashx?id=4qAYFA

Hope this will help,
D_Know_WD
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D_Know_WD

D_Know_WD

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Jul 30, 2014
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Hi there salilskp,

My guess would be that the drive is partitioned to MBR.
In order to utilize all the HDD space, you need to re partition it to GPT. As your friend's MOBO supports UEFI and the OS is 64 bits, I guess you should have no issues using the 3 TB drive as a boot one.
Check this out: https://support.microsoft.com/en-us/kb/2581408

After that, you can test it with WD's Data Lifeguard Diagnostic tool just to make sure the drive is in good condition: http://products.wdc.com/support/kb.ashx?id=4qAYFA

Hope this will help,
D_Know_WD
 
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