Disconnect Unnecessary External Devices to Fix Error 0x800701b1.
If your system cannot supply enough power to the affected drive,
Error 0x800701b1 may appear.
You should unplug all other devices from your PC, check,
and try again to check whether that was the cause of the error.
change USB port can solve the problem too!!
If u face problem installing this build....in USB..
just rename install.wim to install.esd
problem looks like this ---->>
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fix looks like this ---->>
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if u still face problem....
convert esd to wim...