Toshiba Satellite L730 Maintenance Manual page 56

Chapter 2 Troubleshooting Procedures
Procedure 3 Replacement Check
HDMI signals are connected to display circuits via HDMI cable. Any of these components
may be faulty. Refer to Chapter 4, Replacement Procedures, for instructions on how to
disassemble the computer and then perform the following checks:
If characters or graphics on the internal display are not displayed clearly, perform
Check 1.
If some screen functions do not operate properly, perform Check 4.
Check 1 HDMI cable may be faulty. Replace HDMI cable with a new one following the
instructions in Chapter 1, Replacement Procedure and test the display again. If the
problem still occurs, perform Check 2.
Check 2 HDMI monitor may be faulty. Replace HDMI monitor with a new one following
the instructions in Chapter 2, Replacement Procedure and test the display again. If
the problem still occurs, perform Check 3
Check 3 System board may be faulty. Replace it with a new one following the instructions
in Chapter 4, Replacement Procedure.
Satellite L730/Satellite 735/Satellite Pro 730 Maintenance Manual (960-Q08)
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