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my 3TB HD only shows up as 2TB in win 7 - Page 2

post #11 of 23
you need to initialise the disk as a GPT disk to see anything over 2TB. Then you can create partitions and format them how you wish.
post #12 of 23
Thread Starter 
Quote:
Originally Posted by the_beast;13736183 
you need to initialise the disk as a GPT disk to see anything over 2TB. Then you can create partitions and format them how you wish.



How can I set it as GPT?
    
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post #13 of 23
Go into Disk Management.
>Right click the drive you want to init as GPT.
>Choose GPT in the menu.
>Profit
post #14 of 23
Thread Starter 
Hey how do I set it as GPT? I only have NTSF and ExFat as options.
    
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post #15 of 23
Quote:
Originally Posted by tuesday0108;13745905 
Hey how do I set it as GPT? I only have NTSF and ExFat as options.

GPT is not a Format option. You need to go into Disk Management.



You need to Initialize the Disk as GPT.

THEN you can format it to NTFS, or Fat32, or exFAT.


Initializing and Formatting are two different things.

"Knowing is half the battle"
post #16 of 23
Attached is a picture that shows where the conversion option is. The whole drive needs to be unallocated space (delete volume). Then you can create the disk as a GTP. Hope this helps.
post #17 of 23
I have accidentally 'INITIALIZED' the drive and now I show as 2TB only and another port as 700+GB but I cannot also initialize that space as well... did I messed up. Is there is no way it show I can re-initialize the drive?. How can I now re-initialize the drive as a GPT? I tried it many times with different tools but nothing works. Advise?
post #18 of 23
delete all the partitions on the drive first. You should then be able to right-click on the drive and select 'Convert to GPT', then recreate your partition afterwards.

Note - deleting the partition will destroy all data on the drive, so if you have stuff on it copy it off first.
post #19 of 23
theres an option/programme that allows for large HDD's to be read by windows can't remember what it is tho.
Quote:
Originally Posted by the_beast;13736183 
you need to initialise the disk as a GPT disk to see anything over 2TB. Then you can create partitions and format them how you wish.

think it what this guy was talking about sorry didnt see his post before I started to spout off.....
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post #20 of 23
It is a SATA controller hardware/driver issue. 3 TB drives are read as 795 GB since the controller can only see drives up to 2.2 TB. 795 GB is the remainder it sees (3TB - 2.2TB ~ 795 GB) because of the way the controller interprets it (think binary).

You need updated SATA drivers and/or firmware or you may have to buy another SATA card that supports 3 TB.
Edited by Riou - 6/6/11 at 6:00am
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