Sony VGP-UHDM08 - Manual (Page 23)

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VGP-UHDM08_2-649-113-11(1)
Symptom Cause/Remedy
The hard disc drive is
not recognized by the
computer (The icon of
the hard disc drive
does not appear in
[My Computer].), or
does not work
properly.
Data transfer rate is
low.
c If the computer returns from hibernation to normal
operating mode or turns on while the drive is connecting,
the computer may not recognize the drive correctly.
In this case, disconnect the USB cable from the device and
reconnect it.
c The drive may not be connected correctly to the computer
with an USB cable. See “Connecting the Drive” on page
10.
c The operating system is not Windows 2000 or Windows
XP.
c USB is designed to support connection of more than one
peripheral device working simultaneously, however, some
combinations of peripheral equipment can cause unstable
operation. Turn off all peripheral equipment, disconnect all
unnecessary devices, check the cable connections, and then
turn the power back on.
c To reset the USB interface, shut down your Windows
operating system, turn the computer off, and disconnect the
USB cable. If the computer is connected to the hard disk
drive using an AC adapter, disconnect the AC adapter.
c The drive may be locked. For details, see "Using the drive
(in secure/locked mode)" (page 16).
c The batteries may be getting weak. Replace with new ones.
To replace the batteries, see "Installing the batteries" (page 8).
c The power management function of the computer may be
active. For details, refer to the manuals provided with your
computer.
c The transfer rate varies according to the workload of the
computer.
c If you connect the computer corresponding to USB1.1, the
data transfer rate will be about 1/40 compared to the
computer corresponding to USB2.0.
Troubleshooting
If a problem occurs during operation of the unit, refer to the information
provided in this section. If the problem persists, consult your nearest Sony
dealer. For contact information, see “Getting Help” on page 20. Also refer
to the manuals provided with your computer.
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