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Troubleshooting
Serial, Parallel and USB Problems
If a Serial Mouse Does Not Work
Make sure you followed the manufacturer's installation
instructions completely and have installed the mouse
properly. If not, repeat the procedure.
Make sure the port connection is secure.
Restart the notebook by selecting Start > Turn Off
Computer > Restart.
Check mouse settings in Control Panel by selecting Start >
Control Panel > Printers and Other Hardware > Mouse.
Use a mouse that connects to the USB port.
Check the port settings in Control Panel. Open the hardware
Device Manager, then select Ports (COM & LPT).
If a Serial Modem Does Not Work Properly
Make sure the port connection is secure.
Use the Modem troubleshooter in Windows Help. Select
Start > Help and Support.
In Control Panel, open Phone and Modem Options, and check
the modem settings.
Disable the internal modem:
1. Open the hardware Device Manager. Select Start >
2. Select Modem to list the current modem devices.
3. Select the internal modem, then select the option to
Check the port settings in Control Panel. Open the hardware
Device Manager, then select Ports (COM & LPT).
6–18
Control Panel > Performance and Maintenance > System.
disable the modem.
Reference Guide
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