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492 Troubleshooting Procedures
Satellite A210/ A215, Satellite Pro A210, EQUIUM A210, SATEGO A210 Series Maintenance Manual
49
To determine if the computer’s CRT port is functioning properly, perform the following
procedures. Figure 2-7 outlines the process. Start with Procedure 1 and continue as instructed.
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. 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.