How To Fix Boot Menu Problem. The boot menus should appear with both operating systems listed. Click the Startup Repair button.
Firstly you need to launch Command Prompt as an administrator for this. Bootrecexe tool is used to troubleshoot and fix boot problems in the Windows Recovery Environment. Problems in a master boot record a boot sector and a boot configuration data store can be fixed by this tool.
You will be presented with a list of Windows Installs.
You will be presented with a list of Windows Installs. A common is to use the diskpart utility available on the Windows 88110 recovery discUSB to make sure the UEFI partition has a letter assigned to it. Click the Advanced options button. Repair with Command Prompt.
