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2 Troubleshooting Procedures
NB250/NB255 Series Maintenance Manual
5
START
Connect the AC adapter to the DC-
IN socket
Is the DC-IN LED on?
Is the Battery LED on?
Turn the Power switch on
Is the Power On LED on?
Is the "Toshiba" logo message
display?
If the "password" message
displays, type the password, then
press Enter.
Is Toshiba Windows or Linux
being loaded?
A
Yes
Yes
Yes
Yes
Yes
Yes
Perform the Power Supply
Troubleshooting procedures
in section 2.3
Perform diagnostics
program. Run CM 165.EXE
and select the HARD DISK
item .
Perform the Power Supply
Troubleshooting procedures
in section 2.3
No
No
No
No
No
Perform the Power Supply
Troubleshooting procedures
in section 2.3
Perform the Power Supply
Troubleshooting procedures
in section 2.3
Figure 2-1 Troubleshooting flowchart (1/2)