Welcome to Dell Social Media Support, Could you direct message me the Service Tag, so I can look into this for you right away? The online x15 R1 Service Manual, page 67, shows = Table 4. System setup options—Advance menu (continued) Power on LID open The default is Disabled. Did you enter the BIOS and change this to Enabled?
Hi,My Alienware x15 R1 is turning on by only opening the lid? is it a manufacturing problem or it can be fixed from the software? Thanks 
x15 R1, turns on when I open the lid