External Hard Drive Is Not Booting With Computer

revolultrablue

Distinguished
Dec 18, 2010
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Hey guys, I've been having a really strange issue with my custom built computer...

I have:
3570k
16 gbs gskill ripjaw ram
Asrock extreme4
560ti
Hyper X Kingston SSD
and a external usb 3.0 Seagate backup plus

When I boot up my computer the hard drive needs to be unplugged and plugged back in to be recgonized. Not only that but sometimes I get an error: An error was detected on device \Device\Harddisk1\DR1 during a paging operation. Another thing is I noticed that boot up times are longer when the hard drive doesn't appear after boot up. Basically after the welcome screen it take longer to display an image on my monitor (no signal input).

I'm really confused on what can be causing this. Any help would be really appreciated. Also I have seen other devices malfunction in this way, even my sata cd rom has failed to boot with the computer.