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User’s Manual9-4
Troubleshooting
Self test
When the computer starts up, the self test will be run automatically, and the
following will be displayed:
TOSHIBA
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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:
n The computer stops and does not proceed to display information or messages
except the TOSHIBA logo.
n Random characters appear on the screen, and the system does not function
normally.
n 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.
Overheating power down
If the computer’s internal temperature becomes too high, the computer will
automatically enter Hibernation Mode or Sleep Mode and shut down. If the
computer has reached room temperature and still does not start, or if it starts but
shuts down quickly contact your dealer.
System start-up
When the computer does not start properly, check the following items:
n Self Test
n Power Sources
n Power-on Password