User manual TOSHIBA SATELLITE A40

[. . . ] The instructions and descriptions it contains are accurate for the Satellite 2430 Series Portable Personal Computers at the time of this manual's production. However, succeeding computers and manuals are subject to change without notice. TOSHIBA assumes no liability for damages incurred directly or indirectly from errors, omissions or discrepancies between the computer and the manual. Trademarks IBM is a registered trademark and IBM PC, OS/2, and PS/2 are trademarks of International Business Machines Corporation. Celeron, Intel, Intel SpeedStep, and Pentium are trademarks or registered trademarks of Intel Corporation or its subsidiaries in the United States and other countries. [. . . ] Follow the instructions in this section carefully to assure safe operation and maximum performance. Safety precautions Mishandling of batteries can cause death, serious injury or property damage. Carefully observe the following advisories: Danger: Indicates an imminently hazardous situation, which could result in death or serious injury, if you do not follow instructions. Warning: Indicates a potentially hazardous situation, which could result in death or serious injury, if you do not follow instructions. Caution: Indicates a potentially hazardous situation, which if not avoided, may result in moderate or minor injury or property damage. Risk of explosion if battery is replaced by an incorrect type dispose of used batteries according to the instruction. Satellite 2430 Series 6-4 Power and Power-Up Modes Danger 1. Never try to dispose of the battery pack by burning or expose it to a heating device such as a microwave oven. Never try to disassemble, repair or otherwise tamper with a battery pack. Leakage of caustic alkaline solution or other electrolytic substances will cause fire or injury, possibly resulting in death or serious injury. Never short-circuit the battery pack by contacting the terminals with a metal object. A short-circuit can cause fire or otherwise damage the battery pack and possibly cause injury. To avoid accidental shortcircuit, always wrap the battery pack in plastic and cover the terminals with electrical tape when storing or disposing of the battery pack. 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. If the battery pack and real time clock battery discharge completely, Standby and Suspend will not function and data in memory will be lost. 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 Suspend or Standby mode. Data will be lost. Satellite 2430 Series 6-6 Power and Power-Up Modes Note 1. Never remove the battery pack while the Wake-up on LAN function is enabled. Before you remove a battery pack, disable the Wake-up on LAN function. To ensure the battery pack maintains maximum capacity, operate the computer on battery power once a week until the battery pack is fully discharged. Refer to the section Extending battery life in this chapter for procedures. If the computer is continuously operated on AC power for an extended period, more than a week, the battery might fail to retain a charge. [. . . ] To restart the computer, press Ctrl + Alt + Del while the computer is on. resume: A feature that lets you turn off the power without first exiting a program and retain your data in RAM. When you turn on the computer, the screen appears the same as when you turned it off. A device that uses three input signals, each activating an electron gun for a primary additive colour (red, green, and blue) or port for using such a device. [. . . ]