Tenhle měl stejný problém, taky neprozradil hw.https://forums.tomshardware.com/threads/3tb-hard-drive-only-allocated-2048gb-and-746gb-unallocated-memory-and-cant-fix.2015366/https://support.microsoft.com/en-gb/help/2581408/windows-support-for-hard-disks-that-are-larger-than-2-tb