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21-GB
Symptom
You cannot scroll or
zoom.
You cannot access the
“Memory Stick.”
Your personal computer
cannot recover from
standby state or sleep
state.
Cause/Solution
•You are using the software that is not
supported for scroll and zoom functions.
t Refer to the operating instructions for
your software.
•Another software for the mouse is
working.
t Uninstall another software.
•You are using a Macintosh.
•Device other than this unit is connected
to the USB port on the personal
computer.
t Disconnect or turn off the USB
devices except this unit.
•The “Memory Stick” is in this unit.
t Remove the “Memory Stick” from
this unit once, and reinsert it.
•The setting on the Device Manager to
recover from standby on sleep state has
not done depending on the OS.
t Confirm the setting on the Device
Manager. Refer to Help for the OS.