Video Driver problems

[Ayman Altounji]

Can someone give me a hand here? When re-starting this type of machine, I've started getting an error message that reads- "Universal Display Driver, could not find file CPQUDM.SYS. File is necessary for successful driver installation." Does anyone have any idea what's going on here, I have another identical machine and did a search for the file and found no such file on the duplicate system.
Thanks.