Toshiba Client Solutions CO. LTD. UPA3758WL User Manual
User’s Manual
7-4
Troubleshooting
If the self test is successful, the computer tries to load the operating
system.
system.
If any of the following conditions are present, the self test has failed:
■
The computer stops and does not proceed to display information or
messages except for the TOSHIBA logo.
messages except for the TOSHIBA logo.
■
Random characters appear on the screen and the system does not
function normally.
function normally.
■
The screen displays an error message.
In these instances, turn off the computer, check all cable connections and
then restart it - if the self test fails again, contact your reseller, dealer or
service provider.
then restart it - if the self test fails again, contact your reseller, dealer or
service provider.
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.
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.
This section provides checklists for AC power and the battery. If you cannot
resolve a problem after following them, the cause may lie with another
power related resource - in such an instance you should contact your
reseller, dealer or service provider.
resolve a problem after following them, the cause may lie with another
power related resource - in such an instance you should contact your
reseller, dealer or service provider.
Overheating power down
If the processor's temperature reaches an unacceptably high level with
either setting, the computer will automatically shut down to prevent any
damage.
either setting, the computer will automatically shut down to prevent any
damage.
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,
you should check the status of the DC IN/Battery indicator. Please refer to
Chapter 5,
for further information.
Problem
Procedure
AC adaptor doesn’t
power the computer
(DC IN/Battery
indicator does not glow
amber)
power the computer
(DC IN/Battery
indicator does not glow
amber)
Check the connections to make sure that the
power cord/adaptor is firmly connected to the
computer and a working power outlet.
power cord/adaptor is firmly connected to the
computer and a working power outlet.
Check the condition of the cord and terminals. If
the cord is frayed or damaged it should be
replaced, while if the terminals are soiled, they
should be cleaned with a clean cotton cloth.
the cord is frayed or damaged it should be
replaced, while if the terminals are soiled, they
should be cleaned with a clean cotton cloth.
If the AC adaptor still does not power the
computer, you should contact your reseller,
dealer or service provider.
computer, you should contact your reseller,
dealer or service provider.