HELLO EVERYONE,I AM NEW TO THIS SO PLEASE BE UNDERSTANDING,I HAVE THE LATEST SONY LAPTOP THE VGN-FW31M,ON 2 OCCASIONS I HAVE BOUGHT 2 DIFFERENT MOUSES,1 WAS THE MICROSOFT ARC,2 WAS LOGITECH LX8 BOTH WIRELESS LASER MOUSE.INITIAL SET UP WORKING FINE,BUT ONLY PROBLEM WAS WHEN I WANTED TO USE THE BACK BUTTON TO GO BACK A PAGE IT WOULD NOT LET ME,I HAD DOWNLOADED THE MICROSOFT INTTELIPOINT,BACK BUTTON SET A T DEFAULT,BUT STILL NO JOY,CAN ANYONE TELL ME IF THEY HAD THE SAME PROBLEM,OR HAVE I GOT TO BUY THE COOL LOOKING SONY WIRELESS MOUSE WITH BACK BUTTON BUILT IN,WHICH SHOULD WORK,MANY THANKS TO YOU ALL. 
