Please make sure the right hard drive is listed the first place in the BIOS boot order. An out-dated BIOS may result in the error message. Please make in mind for your current BIOS version and download the new version from the manufacturer website, if you have anything problem, please consult your manufacturer. In order to repair your boot sector, you need a Windows Installation disc. You can fix the corrupted boot sector afterwards. Thus, you can rebuild MBR for your computer.
See more details below and choose a proper method based on your situation. The first thing you have to prepare is a Windows Installation disc. Then boot from that disc and enter system recovery options or repair your computer, and choose command prompt. Next you can enter these commands in turn. Select the operating system that you want to repair, and then select Next. For more information about how to use Bootrec.
Important This method requires that System Restore is enabled on your computer. For more information about how to use System Restore, see System Restore: frequently asked questions. Important This method is available only if Startup Repair is a preinstalled recovery option on your computer. If you do not have a Windows installation disc, and Startup Repair is a preinstalled recovery option on your computer, follow these steps to repair startup files:.
Remove all floppy disks, CDs, and DVDs from your computer, and then restart your computer by using the computer's power button. If your computer has a single operating system installed, press and hold the F8 key as your computer restarts.
You have to press F8 before the Windows logo appears. If the Windows logo appears, you have to try again by waiting until the Windows logon prompt appears, and then shutting down and restarting your computer. If your computer has more than one operating system, use the arrow keys to highlight the operating system that you want to repair, and then press and hold F8. On the Advanced Boot Options screen, use the arrow keys to highlight Repair your computer, and then press Enter. Windows, booting up successfully.
Tagged: bootmgr. Download recovery disk for Windows 10 free Using Windows 8? Download recovery disk for Windows 8 Using Windows 7? Download recovery disk for Windows 7 Using Windows Vista? Press Enter. How do I run Fixboot? Instructions on how to access bootrec. Reboot the computer. Select a language, time and keyboard.
Click Next. Click Repair your computer. Select the operating system. How do I fix no bootable device? Here are several fixes you should try: 1 Check your boot order. Enter the BIOS. Press the right arrow keys on your keyboard until the Boot tab is opened.
How do I boot up in safe mode?
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