Western Digital My Book WDBAAH0015HCH User Manual page 61

Q:
Why won't my computer boot when I connect my USB drive to the computer before booting?
A:
Depending on your system configuration, your computer may attempt to boot from your WD portable
USB drive. Refer to your system's motherboard BIOS setting documentation to disable this feature or
visit support.wdc.com and see Knowledge Base answer ID 1201. For more information about booting
from external drives, refer to your system documentation or contact your system manufacturer.
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