Toshiba u300 Manuale Utente

User’s Manual

9-13

Troubleshooting

Memory expansion

Refer also to Chapter 8, 

, for information on installing 

memory modules. 

Sound system 

Refer also to documentation for your audio devices. 

Monitor

Refer also to Chapter 8, 

, and to your monitor’s 

documentation. 

The computer hangs up  Make sure the memory module installed in the 

expansion slot is compatible with the computer.
If an incompatible module has been installed, 

follow the steps below.
1. Turn off the power.
2. Disconnect the 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 

AC adaptor.

6. Turn on the power.
If problems persist, contact your dealer.

No sound is heard 

Check the software volume settings. 

Make sure the headphone connection is secure. 

If problems persist, contact your dealer. 

Monitor does not turn 

on 

Make sure that the external monitor’s power 

switch is on. Confirm that the external monitor’s 

power cable is plugged into a working power 

outlet.