clock keeps changing

same thing happened to me, click on the clock then set the clock & on the 2nd or 3rd tab (which ever one has auto synchronizing) and unclick to auto synchronize with internet...it worked for me so hopefully it will work for u.

if the advice in the previous post doesn't do the trick the motherboard/bios battery may be on its way out. On desktops it is button shaped, it may be different on inspirons.