Quick link is a BIOS feature that allows you to decrease the time it will take your computer to boot up. It skips certain standard booting procedures to make the whole process faster. When enabled, this feature will eliminate logo delays, access your hard disc is faster, read memory size faster. If the quick boot option is enabled the BIOS will run the whole set of bootup tests and do a thorough job.
You will find the option to enable or disable quick boot in your BIOS section.
Hopefully this mini tutorial will help you get rid of the exclamation mark that is showing up in your boot priority options in your BIOS.