Toshiba P770 Hardware and system checklist, Power, Overheating power down, Problem, Procedure

Satellite P770/P775/P770D/P775D

indicator is glowing, the computer is connected to a live external power source.

Hardware and system checklist

This section discusses problems caused by your computer’s hardware or attached peripherals. Basic problems may occur in the following areas:

Power	USB device
Keyboard	Additional memory module
Internal display panel	Sound system
Hard disk drive	External monitor
Optical Disc Drive	LAN
Memory Media Card	Wireless LAN
Pointing Device	Bluetooth

Power

When the computer is not plugged into an AC power outlet, the battery pack is the primary power source. However, your computer also has a number of other power resources, including an intelligent power supply and a Real Time Clock (RTC) battery, all of which are interrelated with any one having the ability to produce apparent power problems.

Overheating power down

If the processor's temperature reaches an unacceptably high level with either setting, the computer will automatically shuts down to prevent any damage - in this instance all unsaved data in memory will be lost.

Problem	Procedure
Computer shuts	Leave the computer off computer reaches room
down automatically.	temperature. If the computer has reached room
	temperature and it still does not start, or if it starts
	but shuts down quickly, contact TOSHIBA Support.

AC power

If you have trouble turning on the computer with the AC adaptor connected you should check the status of the DC IN/Battery indicator. Please refer to Chapter 5, Power and Power-Up Modes for further information.

User's Manual 6-4