This is probably not for everyone, but spend around P10-15 for the cost of the switch and 10 mins with the soldering iron... problem solved. :D
I have a 7 or 8 y/o A4Tech mouse. Replaced the left magnetic switch twice. Wala lang.. napamahal na sa akin eh..
Eto sya: The top wheel scrolls vertically while the bottom one scrolls the screen horizontally.
