Hi Again,
There is a wealth of information
here, it is the Dell™ Support pages.
As I am not running this type of machine, I cannot go any further into the support pages, but I'm sure that you will be able to find a solution there.
Good Luck with it.
Post back with how you get on.
__________________
Dave T.
If it works, Don't fix it!
Especially if Bill Gates had anything to do with it!!