Sharp PC-A500 Specifications Page 82

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Troubleshooting
T-7
Question: Why can't I use the USB port?
Confirm the USB device is enabled in Windows 98 using the following
procedure.
1.
In the System Properties dialog box, select Device Manager.
2.
Double-click Universal Serial Bus controllers.
3.
Make sure the item is not disabled.
Question: Why doesn’t the wheel of my mouse work ?
Confirm the item Pointing Device in the Advanced menu of the Setup Utility is set
to External PS/2 Mouse.
Trouble with Communication
Question: Why can't I communicate through the built-in IR port?
Confirm the IR port of your computer is lined up with the IR port of the other
device. These ports should be no more than 20 inches (50 cm) apart without any
obstacles.
Confirm that IR communication is not turned off in the Sharp IR dialog box.
Confirm the item IR Mode is set to IrDA in the Advanced menu of the Setup
Utility.
Confirm System standby is set to Never in the Power Schemes tab of the Power
Management Properties dialog box.
If you still have the problem after performing the above, set Turn off hard disks to
Never in the Power Schemes tab of the Power Management Properties dialog box
If communicating with Sharp organizer, confirm it’s battery power is full and the
settings for communication is correct.
Do not use the IR port under intense fluorescent light or near cellular phones.
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