setup: tyan 1832 BX, dual PII-400, 196 meg PC 100 ram, US SCSI setup, Diamond MM G460 AGP w/ 8 meg ram, NT4 Server

problem: whenever i click on the pulldown menus, the choices (i.e. click on file, you should see new, open, etc. options instantly) are not shown right away (delay of up to 2 sec). i have the latest drivers, bios, etc. what is my problem???