Western Digital WDBAAJ0020HSL - My Book Studio User Manual page 70

Q: Why does the drive not power up?
A: Be sure the drive is plugged in to a power source. A special cable may be needed for
computers with limited bus power. For more information in the U.S., visit our website
at store.westerndigital.com. Outside the U.S., contact WD Technical Support in your
region.
Q: Why is the drive not recognized under My Computer or on the computer desktop?
A: If your system has a USB 2.0 PCI adapter card, be sure that its drivers are installed
before connecting your WD USB 2.0 external storage product. The drive is not
recognized correctly unless USB 2.0 root hub and host controller drivers are
installed. Contact the adapter card manufacturer for installation procedures.
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
Base answer ID 1201. For more information about booting from external drives, refer
to your system documentation or contact your system manufacturer.
support.wdc.com and see Knowledge
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USER MANUAL