Toshiba Satellite L450 User Manual download pdf (Page 102)

6-4 User’s Manual

L450/L450D

Real Time Clock battery

The Real Time Clock (RTC) battery provides power for the internal real

time clock and calendar function and also maintains the system

configuration while the computer is turned off. If the RTC battery becomes

completely discharged, the system will lose this information and the real

time clock and calendar will stop working - in this instance the following

message will be displayed when you turn on the power:

When this error appears, the following action is recommended.

1. Connect the AC adapter and let the battery charge for 24-hours.

2. Press F2 to enter BIOS setup menu.

3. Set correct time and date.

■ The battery pack is a lithium ion battery, which can explode if not

properly replaced, used, handled or disposed of. Dispose of the battery

as required by local ordinances or regulations. Use only batteries

recommended by TOSHIBA as replacements.

■ Do not remove the battery pack while the computer is in Sleep Mode.

In this mode data is stored in memory, so if the computer loses power, it

will be lost.

ERROR 0271: Check date and time settings.

WARNING 0251: System CMOS checksum bad - Default

configuration used.

Press <F1> to resume, <F2> to Setup.

The computer’s RTC battery is a lithium battery and should be replaced

only by your dealer or by a TOSHIBA service representative. The battery

can explode if not properly replaced, used, handled or disposed of.

Dispose of the battery as required by local ordinances or regulations.

If you still see the error message after performing the above actions,

please contact your TOSHIBA service representative.

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Toshiba Satellite L450 User Manual Page 102