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. Modify the registry at your own risk. The ISO should be of same version of Windows or a later version. Under the following registry subkey, check for lower filter and upper filter items for Non-Microsoft Drivers:.
For each third-party driver that you locate, click the upper or lower filter, and then delete the value data. Search through the whole registry for similar items. Process as an appropriate, and then unload the registry hive. To fix problems that occur after you install Windows updates, check for pending updates by using these steps:.
Every time a computer is turned on, as part of the boot process the BIOS tries to find a bootable drive to continue the loading process by starting its first sector. The most common cause of this error is an incorrect order of boot devices in BIOS. Usually BIOS tries to find a bootable drive according to its boot device order, so if a PC has a floppy drive set to a higher priority than a hard drive, and there is a floppy disk inserted — then the PC tries to boot from a floppy disk, and a error message is displayed.
Notice the key guide in the top-right corner. The Automated Repair process will report any issues found with the hard disk or RAM memory with one single click:. To download Easy Recovery Essentials, click here. This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread.
I have the same question 0. Report abuse. Details required :. Cancel Submit. Palcouk Volunteer Moderator. And dont install any 'SpeedUpMyPc' type of programs, doing so can render the system unuseable.
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