SOURCE: my mouse not working (Idont know why)
Install the drivers for the mouse & recheck. Hope this helps.
SOURCE: How can I get installation program for my A4Tech Optical mouse?
You can download your driver from A4Tech Here
Under "Downloads" select "***" and click "GO". On the right you will see links for the driver download.
SOURCE: My A4tech model OP-620 have its lights on but cursor not moving
run a virus checker i had a similar thing happen to me hope this helps regards Jim
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