Satellite U500/U500D, Satellite Pro U500/U500D
If the following message is displayed on the LCD:
ERROR 0271: Check date and time settings. WARNING 0251: System CMOS checksum
The charge in the RTC battery is getting low or has been exhausted. You will need to set the date and time within the BIOS setup using the following steps:
1.Press F2 key - the BIOS setup screen will be displayed.
2.Set the date in System Date.
3.Set the time in System Time.
4.Press F10 key. Confirmation message will appear.
Press Enter key. BIOS setup will terminate and the computer will be rebooted.
After configuring the date and time it is recommended that you switch the computer on and then leave it in this state so that the Real Time Clock battery can be charged.
Care and use of the battery pack
This section provides the important safety precautions in order to handle your battery pack properly.
Refer to the enclosed Instruction Manual for Safety and Comfort for detailed precautions and handling instructions.
■Make sure the battery is securely installed in the computer before attempting to charge the battery pack. Improper installation could generate smoke or fire, or cause the battery pack to rupture.
■Keep the battery pack out of reach of infants and children. It can cause injury.
■The battery pack is lithium ion battery, which can explode if not replaced, used, handled or disposed of properly. Dispose of the battery as required by local ordinances or regulations. Use only batteries recommended by TOSHIBA as replacements.
■Charge the battery pack only in an ambient temperature between 5 and 35 degrees Celsius. Otherwise, the electrolyte solution might leak, battery pack performance might deteriorate and the battery life might be shortened.
■Never install or remove the battery pack without first turning off the power and disconnecting the AC adaptor. Never remove the battery pack while the computer is in Sleep Mode. Data could be lost.
User’s Manual |