weamish

I'm trying out the MS Wireless Laser Desktop 4000, having several problems (none of which are present when using a wired keyboard and mouse) - ...The middle button operation is set to middle click for Firefox. It's very erratic - sometimes it works, other times nothing happens. ...The Sleep function is erratic. ...Getting screen flickering in some programs. ...NumLock behavior also erratic - it's set to Off, but keyboard shortcuts like CTRL-HOME often don't work. Any ideas? Thanks! Steve