Toshiba SATELLITE U500 Manuel d'utilisateur télécharger pdf (Page 158)

9-4 User’s Manual

Satellite U500/U500D, Satellite Pro U500/U500D

System start-up

When the computer does not start properly, check the following items:

■ Self Test

■ Power Sources

■ Power-on Password

Self test

When the computer starts up, the self test will be run automatically, and the

following will be displayed:

This message remains on the screen for a few seconds.

If the self test is successful, the computer tries to load the operating

system, depending on how the Boot Priority is set in the TOSHIBA HW

Setup program.

If any of the following conditions are present, the self test failed:

■ The computer stops and does not proceed to display information or

messages except the TOSHIBA logo.

■ Random characters appear on the screen, and the system does not

function normally.

■ The screen displays an error message.

Turn off the computer and check all cable connections. If the test fails

again, contact your dealer.

Power

When the computer is not plugged into an AC outlet, the battery pack is the

primary power source. However, your computer has a number of other

power resources, including an intelligent power supply and a Real Time

Clock battery.These resources are interrelated and any one could affect

apparent power problems. This section provides checklists for AC power

and the battery. If you cannot resolve a problem after following them, the

cause could lie with another power resource. In such a case, contact your

dealer.

TOSHIBA

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Toshiba SATELLITE U500 Manuel d'utilisateur Page 158