I ordered in June this mouse for my laptop ACER 7739ZG it worked well ......... two minutes and then it is cut randomly for 5 seconds .Amazon replaced without difficulty but me Unfortunately, I have exactly the same problem !! For surfing it is not too bad but the game is much more annoying !!! Finally I saw the price kept telling me that I find can be a solution but nothing to instant.Bizarrement it looks like I'm the only one concerned ??? Here is my com for that mice that, despite this big problem is well made.