✔ Run Startup Repair to fix Windows 7 boot failureĪfter creating Windows 7 recovery USB drive successfully, you can run Startup Repair to fix Windows 7 automatically. If you are with Windows Installation CD/DVD, you can choose to fix BOOTMGR is missing with the CD/DVD and do not create Windows 7 recovery US drive. You’d better back up important files on it before the operation. Your USB will be formatted during this process. When the whole process finishes, you can gain a recovery USB drive. Insert your USB drive to the computer, select it and click “ Begin copying”.Ĥ. Run Windows 7 USB DVD Download Tool on a working computer click “ Browse” to choose your source file.

To make Windows 7 recovery USB drive, you should prepare an ISO image file, USB drive, and Windows 7 USB/DVD Download Tool. If this error still appears, you can try to fix it with Windows 7 recovery USB drive or bootable USB drive. To fix such an error, you can reboot computer, disconnect all external devices, enter BIOS to ensure that you boot from the right device and upgrade BIOS version at first. How to fix “BOOTMGR is missing” with USB? The error aforementioned occurs can be a result of various reasons like corrupted MBR, wrong boot order or outdated BIOS, etc. What should I do? Is there any advice?” Why “BOOTMGR is missing” occurs to Windows 7?īOOTMGR is a file named Windows BOOT Manager, which runs when you boot your computer. However, suddenly it prompts me that BOOTMGR is missing Press Crtl+ALT+Del to restart. “I have a laptop that running Windows 7 and it always works well.

Fix bootmgr windows 7 without cd