I've had this hard drive for over two years now. A week ago, it decides to slow down to a crawl in Windows - even after doing the usual things to fix it (disabling Superfetch, closing programs, etc.) and it still was extremely slow. I decided to wipe the hard drive clean in a linux live cd (dd if=/dev/zero of=/dev/sda bs=1M) and install that distro of linux (Ubuntu). It fails to partition the ext4 system. I tried wiping the drive and installing Windows again, but it won't let me (either in UEFI or BIOS). I had checked my smart data and while the SMART health passedthe raw value of the command timeout is suspiciously high - 5,227,170,103,295 to be exact. Is this bad for my 1 TB hard drive?

  • What errors are you getting when you try to partition it? – oldmud0 May 2 '15 at 1:53
  • what DMA mode is is currently using? – Richie Frame May 2 '15 at 1:55
  • If you keep wiping the software and the problem remains then it's the hardware not the software – Ramhound May 2 '15 at 1:55
  • @oldmud0 When installing Windows, in BIOS mode it gives me the "Failed to prepare to reboot for the next phase" and in UEFI it hangs on copying files. – Anonymous May 2 '15 at 2:02
  • @RichieFrame I have no clue. – Anonymous May 2 '15 at 2:03

Check the connection between your hard drive and your motherboard. It's possible that the SATA cable is loose.

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