3 tb hard drive only shows 2 tb. Whats the problem? Tags: Hard Drives Computer Storage Last response: November 24, 2012 5:39 AM in Storage Share cyclotroncs30 November 24, 2012 3:15:12 AM Hello, I just bought a 3tb hdd but my computer only see it as a 2tb hdd. About .7tb hdd reads as unallocated space. I want to use this hdd as data, not OS. Please help. More about : hard drive shows whats problem Emerald a b G Storage November 24, 2012 5:39:14 AM you need to format the HDD with GPT http://www.petri.co.il/gpt-vs-mbr-based-disks.htm Can't find your answer ? Ask ! Publish Related resources: Forum3 tb hard drive only shows 2 tb . Whats the problem ? Forum3TB Hard Drive only showing 2TB in control panel... ForumSeagate 3TB hard drive only showing 746gb ForumExternal USB 3 3TB drive shows 2 devices? ForumNew 3tb HDD shows 746gb ForumGPT 3TB hard drive "magically" changed to MBR ForumComputer can't find 3tb hard-drive , so can't format drive Forum2TB hard drive showing as 128gb ForumWindows 7 Sata SSD & Sata II 2TB Hard Drive problem . PLEASE Help! ForumCan't format 3-TB internal / secondary hard drive Forum2TB HD shows up in Device Manager but not Explorer Forum3TB HDD shows negative free space Forum2TB HARD DRIVE ForumWin7 with Two 2tb USB drives - only one seen ForumBest SSD Of 2013, Which is it? Forum[Solved] Problem saving things to correct hard drive ForumHelp on reformatting hard drive? ForumIf I have a SATA 6Gb/s hard drive, can I use it with an older motherboard? ForumSwap hard Drve ForumStorage Drive More resources Read discussions in other Storage categories Hard Drives DVD Drives DVD Writers Optical Media Flash Media NAS/RAID SSD Western Digital !