Here are the steps to fix a loose or wobbly laptop screen:
- Check that all screws at the back of the laptop are secure.
- Check if the safety hinges at the back of the laptop are reversed and not leaving unfixed gaps.
- Check that the display’s interior surface is clean and breathe on the surface until a fog appears.
- Wipe the fog away with a paper towel and check that there is no dust trapped in the display.
- Close the laptop lid and try to jiggle the hinges to ensure they are tight.
- Lastly, test the display to ensure that the wobbling has been fixed.