Best Guide to Restore Your Computer Efficiency After Updating Drivers

But a secondary, recovery partition also gets written and may be accessed at boot time to support repair and recovery. This produces a disk layout like the one shown in Figure 1. However, if the BCD file is not found, then a “0xc000000f” error appears and the boot process is halted. If you receive the above mentioned error message, the boor sector or MBR may be corrupted or damaged. You can use installation disk to run Startup Repair or do Windows 7 boot repair via Command Prompt.

Windows 10 Won’t Boot? Fix It With Startup Repair And Bootrec Commands

This critical information in the Windows runtime environment tells the Windows boot loader where to look for boot information. It also establishes boot priority and timing when, as is typically the case, a PC can access two or more bootable partitions as it’s starting up. For example, a default Windows OS clean install actually writes two bootable partitions to the drive that’s designated as the install target. The primary and most frequently used of these partitions is the operating system partition.

In this example, I will use Windows 10 installation disk. Change the primary boot device to DVD drive or USB flash drive in the BIOS settings (depending on which device you want to boot the computer from). Boot your computer from the Windows install image and press Shift + F10 on the language selection screen. In the world of the Windows OS, BCD stands for Boot Configuration Data.

So, imagine you have a bootable Windows 8 setup USB drive which cannot be booted in UEFI mode, but only in legacy mode. One might think that one can simply change the BIOS setting from UEFI boot to legacy boot.

  • Therefore, when it is damaged, your computer will fail to boot and you also will encounter different boot errors.
  • From the above information, you can find that there are many boot errors when the MBR is damaged or corrupted.
  • You can refer to the step by step guide.
  • The issue invalid partition table often occurs when you are booting your computer Windows 10/8/8.1/7.

Fix The Mbr – Guide For Windows Xp, Vista, 7, 8, 8, 10

The error messages, alerts, warnings, and symptoms below are tied to this error. This means the BCD store rebuild is progressing as expected.

Now that the BCD store is renamed, you should now be able to successfully rebuild it, as you tried to do in Step 6. You should see one of the following messages at the command line. The easiest solution to a BCD issue is to simply rebuild it, which you can do automatically with thebootreccommand.


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