J jamerober Member Sep 29, 2025 #2 The error of Operating System not Found can be resolved by following the following steps: BIOS/UEFI Check boot order to ensure that your hard disk is first. You need to reconnect your hard drive to make sure that it is connected. Reboot into windows using a USB windows installation: Reboot into windows with a USB windows installation: Booting using USB Drive - Select Repair your computer -Troubleshoot- Command Prompt- bootrec /fixmbr and bootrec /fixboot. Diagnose Hard disk problems by running chkdsk in Command Prompt. Windows may be installed again as a final resort. Upvote 0 Downvote
The error of Operating System not Found can be resolved by following the following steps: BIOS/UEFI Check boot order to ensure that your hard disk is first. You need to reconnect your hard drive to make sure that it is connected. Reboot into windows using a USB windows installation: Reboot into windows with a USB windows installation: Booting using USB Drive - Select Repair your computer -Troubleshoot- Command Prompt- bootrec /fixmbr and bootrec /fixboot. Diagnose Hard disk problems by running chkdsk in Command Prompt. Windows may be installed again as a final resort.