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15 Aug 2012  

Windows 8 RTM Professional X64
System Keeps rebooting when External Hard is attached to it


I have 2 External hard and When they are attached to computer with the USB cable, system keeps rebooting and won't come up so I have to unplug both of them and then system will boot up.
Any help would be great.

Thank you.

Thanks to experts in this topic and this forum here is the solution:

If anyone have this problem try to disable "Legacy USB". It is in your BIOS feature.

Thanks again. These experts are awesome.
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