Please read the profile before purchasing/commenting. With the AC adapter I have, the power lamp turns on, but it doesn't boot. The fan spins, and the power lamp also lights up, but nothing is displayed on the HDMI port screen. Therefore, it is treated as junk. The OS is not installed. Specs: CPU: Intel® Core™ i7-6770HQ Memory: 8GB Storage: None Mounter: Included Mounter fixing screws: Included (M.2 x 2) ODD: None There are scratches and dirt. It has been lightly cleaned with alcohol before listing. No accessories are included. Thank you for viewing.