Sony PRS-900 User’s Guide (Large File - 13.73 MB) - Page 167

The Reader cannot, Connection to the computer

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Troubleshooting Connection to the computer Symptom Cause/Remedy The Reader cannot be recognized by your computer.  The USB cable is not connected properly. Reconnect it.  A USB hub or USB extension cable is used for the connection. Connection via an extension cable or USB hub is not guaranteed. Connect the USB cable directly to the computer.  Verify that (indicating connection via USB) is displayed at the top of the Reader's screen. If the Reader still cannot be recognized, disconnect the USB cable from the Reader, then reconnect it after a while.  If "Device Lock" of the Reader is set to "On," set it to "Off." If the Reader is locked, it will not be recognized by your computer.  While the Reader is connected to a computer, do not turn on, restart, wake up from sleep mode, or shut down the computer. These operations may render the Reader unrecognizable by the computer. Disconnect the Reader from the computer before performing these operations. Continued 167

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167
Troubleshooting
Connection to the computer
Symptom
Cause/Remedy
The Reader cannot
be recognized by
your computer.
The USB cable is not connected
properly. Reconnect it.
A USB hub or USB extension cable
is used for the connection.
Connection via an extension cable
or USB hub is not guaranteed.
Connect the USB cable directly to
the computer.
Verify that
(indicating
connection via USB) is displayed at
the top of the Reader’s screen. If
the Reader still cannot be
recognized, disconnect the USB
cable from the Reader, then
reconnect it after a while.
If “Device Lock” of the Reader is set
to “On,” set it to “Off.” If the Reader
is locked, it will not be recognized
by your computer.
While the Reader is connected to a
computer, do not turn on, restart,
wake up from sleep mode, or shut
down the computer. These
operations may render the Reader
unrecognizable by the computer.
Disconnect the Reader from the
computer before performing these
operations.
Continued