Toshiba PRO L600 Manual Do Utilizador

Página de 281
Chapter 2 Troubleshooting Procedures  
 
Satellite L600/L640/L645, Satellite Pro L600/Pro L640/Pro L645 Maintenance Manual (960-Q08)    
2.8 Display Troubleshooting 
T
 
p
 
P
Procedure 3:  Connector and Cable Check 
Procedure 4:  Replacement Check 
Procedure 1 
External Monitor Check 
Connect an external monitor to the computer’s external monitor port, then boot the computer.  
The computer automatically detects the external monitor.  
When “Power on Display” setting is “Auto-Selected” (Default) in BIOS Setup Menu. 
If this setting is “System LCD only”, external monitor cannot be displayed. The computer 
automatically detects the external monitor. 
If the extern
If the extern
b
Procedure 2 
The Display
isk. This program checks the display 
controller on system board. Insert the Diagnostics disk, turn on the computer and run the test. 
Refer to Chapter 3, Tests and Diagnostics for details. If an error is detected, go to Procedure 3. 
o check if the computer’s display is malfunctioning or not, follow the troubleshooting
rocedures below as instructed. 
Procedure 1:  External Monitor Check
rocedure 2:  Diagnostic Test Program Execution Check 
al monitor works correctly, the internal LCD may be faulty. Go to Procedure 3. 
al monitor appears to have the same problem as the internal monitor, system 
oard may be faulty. Go to Procedure 2. 
Diagnostic Test Program Execution Check 
 Test program is stored in Diagnostics d