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TROUBLESHOOTING
Hardware and system checklist
USBRefer also to your USB device’s documentation.
Problem Procedure
USB device does Check for a firm cable connection between the
not work USB ports on the computer and the USB device.
Make sure the USB device drivers are properly
installed. Refer to your Windows XP documenta-
tion for information on checking the drivers.
If problems persist, contact your dealer.
Memory expansionRefer also to Chapter 8, Optional Devices, for information on installing memory
modules.
Problem Procedure
Beep sounds. Make sure the memory module installed in the
(If slot A two beeps, expansion slot is compatible with the computer.
If slot B three beeps, If an incompatible module has been installed,
If both two and three follow the steps below.
beeps.) 1. Turn off the power.
2. Disconnect the universal AC adaptor and all
peripheral devices.
3. Remove the battery pack.
4. Remove the memory module.
5. Replace the battery pack and/or connect the
universal AC adaptor.
6. Turn on the power.
If problems persist, contact your dealer.