Step 1. Disconnect the AC adapter from your laptop. Unlock and remove the battery.
Step 2. Insert your fingers under the bezel and start separating it from the display assembly.
Step 3. Continue separating the bezel from the display assembly with a piece of plastic tool or guitar pick.
Step 4. Continue removing the LCD bezel on the upper side of the display assembly. After that move to the lower part.
Step 5. Remove the bezel from the display assembly.
Step 6. Remove two screws securing the screen on the top of the display assembly.
Step 7. Carefully disconnect one cable from the web camera module.
Step 8. Remove two screws from the right mounting bracket.
Step 9. Remove two more screws from the left mounting bracket.
Step 10. Now you can separate the screen from the display back cover and place the it the front side down on the palmrest/keyboard assembly. Place screen of Acer Aspire S7-392-5427 on palm rest assembly. On the back side you can access the video cable harness.
Step 11. Unglue the web camera cable from the screen.
Step 12. Remove clear tape securing the video cable connector. Unplug the video cable.
Step 13. Remove the damaged screen of Acer Aspire S7-392-5427 from the display assembly. After the replacement, you can assemble everything back together following all disassembly steps in reverse order.