Hinges are expendable parts. In everyday activities, especially if you travel a lot
or have lively children at home, after some time you will
need to change some of the hinges, maybe both of them or to replace all hinge
covers on your notebook.

Some pieces of advice are:
- take a quick look at Acer Information Guide of your notebook product,
- Avoid electrostatic discharge during replacement, (ground yourself
periodically touching an unpainted metal surface)
- Do not use great force in disassemble, because there must be some trick.
- If the hinge cover is damaged pretty much, be additionally careful when
removing the old cover.

Hinges are cheap component parts, and here you can search through a huge collection
of new and used spare parts.