Toshiba A500D/PRO A500DPRO A500D Manual Do Utilizador

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2Troubleshooting Procedures 
 
 
                                                                                                            
Satellite A500D/Satellite A505D/Satellite A507D/Satellite Pro Series Maintenance Manual
48
 
Procedure 1:  CRT connection check 
Procedure 2:  CRT set check 
Procedure 1 
CRT connection check 
The CRT cable may be damaged or the connections may be loose. Use windows application 
to check device can work fine or not. Perform Check 1: 
Check 1 
Make sure CRT cable is firmly plugged into both the CRT set and the CRT port 
of the computer. If the cable is connected correctly, go to Check 2. 
Check 2 
Make sure the CRT port is firmly secured to the system board of the computer. If 
the malfunction remains, go to Check 3. 
Check 3 
The CRT cable may be damaged. Replace with a good cable. If the malfunction 
remains, go to Procedure 2. 
Procedure 2 
CRT set check 
The CRT set may be faulty. Perform Check 1: 
Check 1 
Try using the set for CRT reception. If it does not work, the set may be damaged. 
If the set does work, perform Check 2. 
Check 2 
Try connecting a different CRT to the computer. If the replacement CRT works, 
the original set may be damaged. If the replacement set does not work the system 
board may be damaged. Replace it with a new one following the instructions in 
Chapter 4.