Texas Instruments Extensa 450 Series User Manual

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If the AC outlet voltage, AC Adapter, and battery packs test normal but the
computer will not power up, replace the Power Supply Board and/or Battery
Board as described in Section 6.
5.3.2
Troubleshooting a Display Problem
If the LCD remains blank when you turn on the computer, and the status indicators
light, check the following controls on the display (See Figure 3-1):
Figure5-2 Troubleshooting Block Diagram
5-4
Troubleshooting

Texas Instruments Extensa 450 Series Specifications

General

Brand	Texas Instruments
Model	Extensa 450 Series
Category	Laptop
Language	English