Sony PCG-R505TL Manual

125

Troubleshooting

This section describes how to solve common problems you may

encounter when using your notebook. Since many problems have simple

solutions, try these suggestions before you contact Sony PC Support

(http://www.sony.com/pcsupport).

Troubleshooting Your Notebook

My notebook does not start.

❑

Check that the notebook is plugged into a power source and that it is turned
on. Check that the power indicator on the front panel of the notebook
indicates that the power is on.

❑

Check that the battery packs are inserted properly and that they are charged.

❑

Make sure there is no diskette in the floppy disk drive.

❑

Confirm that the power cord and all cables are connected firmly, as described
in ”Connecting a Power Source” .

❑

If you plugged the notebook into a power strip or UPS, make sure the power
strip or UPS is turned on and working.

❑

If you are using an external display, check that it is plugged into a power
source and turned on. Check that the brightness and contrast controls are
adjusted correctly. See the manual that came with your display for details.

❑

Moisture condensation may have occurred. Do not use the notebook for at
least one hour and then turn on the notebook.

❑

Take the battery pack off the notebook, unplug the power cord and plug it
again, then turn on the power.

❑

If you shut down your notebook using a series of program errors, the power
control button may not function. Push the Reset switch on the back of your
notebook with a thin, pointed object to start your computer. If your notebook