ASUS N550JV DB72T issues and solutions
1) It cannot be shut down properly - the screen is OFF but the power stays ON for a long time after issuing a shutdown in windows. Solution: Update the Bluetooth driver. Version V8.0.1.305 available at here works for me. Reference 2) Cannot do system restore using the recovery partition in the hard drive, using the F9 on boot method. Has to rely on clonezilla to generate a disk clone. The USB recovery disk apporach doesn't seem to work. Reference