loading
open screw with screw driver

Step 1:

take sellotape and paper

Step 2:

now fill the click button like the picture.
and if the scroll also does not working properly. give one drop oil on joint

Step 3:

like this picture
Oil is not the correct fluid to apply on electronic devices. Spray with IPA & let dry.

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Bio: Best Electronics Verified Projects Circuit, Code, Video | Latest Tutorial on Arduino , PIC ,8051 | New innovative ideas and more.
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