On Tue, Aug 12, 2008 at 5:50 PM, Hex1a4 <hex1a4 at gmail.com> wrote: > Hi, > > On XFCE 4.4.2, on an old laptop. With compositing enabled, the menu lags > a lot. disable composition... the driver of your gpu is almost certainly not doing any acceleration, so composition is completely done on your cpu... which is already overloaded if this is an old machine...