Lenovo ThinkPad E14 Gen 4 has Regular Audio Glitches

If your ThinkPad is having issues with audio, there are a number of causes that can be fixed without needing to open up your computer. For an extensive list of software troubleshooting, you can visit the Lenovo website.

None of those solutions working? Here are some things to check on the inside of your computer.

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If the audio from your computer is continuously sounding distorted or muffled, your speakers may have experienced some sort of failure and become damaged. This is a common issue simply because of how sound waves work; now would be a good time to do some replacing.

Crackling sounds from the speakers could mean that the shield on the inside of your laptop is not properly protecting the components from interference. When you unscrew and remove the cover, check that the inner side does not have obvious discoloration—it's normal for colors to be brighter around where the plastic changes shape, but not on the flat sections. Spotting, especially in green colors, may indicate corrosion. This can happen if your laptop has been exposed to high humidity or survived a liquid spill.

If it appears that pieces are flaking off of the cover, you can attempt to paste it back onto the plastic, but it may be a good idea to just take your ThinkPad to be serviced if this is the issue.