Acer Aspire E1-471 Acer Aspire E1-431 and E1-471 Notebook Service Guide - Page 146

No Display Issues 0 If the Display does not work, perform the following: Replace LCD panel/ No LCD cable LCD module OK? START Power On? No Go to Power On Issue Ext. DDRRAM module well No connected? Connect it well Replace Ext. DDRRAM module OK? No Ext. DDR RAM module Replace M/B CPU thermal module well No screw? Screw it well 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. 4. Connect the power and reboot the computer. 5. Connect an external monitor to the computer and switch between the internal 4-6 Troubleshooting