Einleitung
If your Lenovo 720-12IKB seems to not produce the same quality of sound or it sounds muffled, then you will need to replace the speakers.
Your laptop is very convenient with all the features equipped with it, One of these features is having audio being produced through your laptop. Not having one of these features can be really annoying to deal with especially when its one of the main features which is audio.
There are some dangers when it comes to replacing any component in your device, please use caution as you replace components and be sure to use an ESD strap to protect your system as well.
Werkzeuge
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Pull down on the cover to remove it and you will see the battery after removing the cover.
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Unscrew and remove the 4.0 mm Phillips #00 screws on the battery to remove it from the motherboard.
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After taking the twisted cables out from under the tabs you can now lift up on both sides to remove the speakers.
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To reassemble your device, follow these instructions in reverse order.