Acer AOHAPPY2 Aspire One AOD257 and Happy 2 Netbook Service Guide - Page 125

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