All/Partial of Clients Failed to Boot Up – Boot Disk | App Disk Spoiled or Missing michaelsoft-support2019-10-24T07:48:13+00:00 1. Make sure all the disk are exist. Especially Boot Disk and Game Disk. 2. Go to Disk Manage – IO Disk Manage. 3. Make sure all the disk are exist. 4. Kindly check the SSD if boot disk missing.