Acer Aspire 4349 Acer Aspire 4349, 4749, 4749Z Notebook Service Guide - Page 141

No Display Issues 0 If the Display does not work, perform the following: START Replace LCD panel/ No LCD cable LCD module OK? Power On? No Power On Issues Ext. DDRRAM module well No connected? Check connection Replace Ext. DDRRAM module OK? No Ext. DDR RAM module Replace M/B CPU thermal module well No screw? Fasten Screw Figure 4-2. No Display Issue No POST or Video 0 If the POST or video does not appear, perform the following: 1. Make sure that internal display is selected. Switching between internal and external by pressing Fn+F5. Reference product pages for specific model procedures. 2. Make sure the computer has power by checking for one of the following: Fans start up Status LEDs illuminate If no power, refer to Power On Issues. 3. Drain stored power by removing the power cable and battery. Hold the power button for 10 seconds. Troubleshooting 4-5