Powers on and boots to BIOS. BIOS detects hard drive when connected but will not see an OS when trying to boot through fully. Tried multiple known good drives with different OS's installed. Does NOT include HDD. This vintage item is being sold AS-IS for parts or restoration. Only the items shown in the photos are included in the sale. We are unable to confirm whether the item is functional or can be repaired to work properly. Due to its vintage nature, there are no returns accepted for this item.