Windows, booting up successfully. Secure Boot [Enabled] on a Dell computer. Secure Boot [Enabled] on a HP computer. Windows 7 System Recovery Options Screen. Windows 7 bootrec utility results screen. Windows 7 bootsect utility results screen. Windows 8 Repair Your Computer Menu. Windows 8 bootrec utility results screen. Windows 8 recovery options screen. Press Enter. Step five: Type List Partition and then press Enter.
You will now be shown a list of the partitions on the selected disk. Determine which partition you wish to make active. Step six: Type Select Partition x , where x is the number of the partition you wish to make active. Step seven: Now, just type Active and then press Enter. That should be it - the selected partition is now active. Windows 7 makes it easy to create a System Recovery Disc if you already have Windows 7 installed and running.
It only needs to write about to megabytes to the disc, depending on whether your OS is bit or bit, and that should only take a minute.
Using a Windows 7 Installation DVD at step seven will also allow you to install Windows 7 via USB, not just recover a damaged system; very useful if you have a netbook! Step two: Open a command prompt with administrative rights.
Step three: After accepting any UAC verification questions, you should now be at the command prompt. Step four: Type List Disk and then press Enter. Determine which disk number corresponds to your USB flash drive. Step five: Enter the following commands in order, changing the disk number to the disk number listed for your USB drive.
Warning - the following commands will erase everything on your USB drive or the disk you select. Step six: After DiskPart successfully formats the USB drive, which might take a few minutes, you will want to enter the following commands:. There should be two folders and a file in the ISO image that need to be copied.
You can download WinRAR from here. Step eight: Now that the files are copied, we will want to make the USB drive bootable. To accomplish this however we will need to download a small file called bootsect. Once downloaded, place the bootsect. Step nine: Back at the command prompt, we will want to change the current directory to that of the USB drive and run the bootsect command. In our case this is drive E , so we will be using the following respective commands:.
The bootsect command will update the target volume with a compatible bootcode. For more information, see A Stop error occurs, or the computer stops responding when you try to start Windows Vista or Windows 7. If the corruption in the MBR affects the partition table, running Fixmbr may not fix the problem. If methods 1, 2 and 3 do not fix the problem, replace the Bootmgr file from drive C to the System Reserved partition. To do this, follow these steps:.
If Windows cannot load the system registry hive into memory, you must restore the system hive. If the problem persists, you may want to restore the system state backup to an alternative location, and then retrieve the registry hives to be replaced.
Starting in Windows 10, version , Windows no longer automatically backs up the system registry to the RegBack folder. This change is by design, and is intended to help reduce the overall disk footprint size of Windows. To recover a system with a corrupt registry hive, Microsoft recommends that you use a system restore point. For more details, check this article. If the system gets stuck during the kernel phase, you experience multiple symptoms or receive multiple error messages.
These include, but are not limited to, the following:. For example, "0xC2" , "0xB" , "inaccessible boot device" and so on. The screen is stuck at the "spinning wheel" rolling dots "system busy" icon. If either of these options works, use Event Viewer to help identify and diagnose the cause of the boot problem. To view events that are recorded in the event logs, follow these steps:. In the console tree, expand Event Viewer, and then click the log that you want to view. For example, click System log or Application log.
On the Edit menu, click Copy , open a new document in the program in which you want to paste the event for example, Microsoft Word , and then click Paste. To troubleshoot problems that affect services, do a clean boot by using System Configuration msconfig. Select Selective startup to test the services one at a time to determine which one is causing the problem.
If you cannot find the cause, try including system services. However, in most cases, the problematic service is third-party. Disable any service that you find to be faulty, and try to start the computer again by selecting Normal startup.
For detailed instructions, see How to perform a clean boot in Windows. If the computer starts in Disable Driver Signature mode, start the computer in Disable Driver Signature Enforcement mode, and then follow the steps that are documented in the following article to determine which drivers or files require driver signature enforcement: Troubleshooting boot problem caused by missing driver signature x Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method.
These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems can be solved.
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