|Dell usually offers a executable program to run a bios update. Their site would tell you what is available.|
Otherwise you can make a cd to update or borrow a floppy to do that task.
If the bios update exactly says it fixes your issue then you may try it. Otherwise there is no use to them.
1/3 of highway deaths are caused by drunks. The rest are by people who can't drive any better than a drunk.