How to Fix Corrupt Windows 10 System Files
165How to Fix Corrupt Windows 10 System Files.
Commands Used:
chkdsk /f /r
sfc /scannow
When you begin to notice random errors, issues during boot or Windows components are not working as they should on your computer there is a good chance that one or more system files may have gone missing or corrupted.
Even though Windows 10 does a good job protecting files that are necessary for your PC to work correctly, applications, drivers, or even Windows Update may sometimes be the cause of system instability. Like in previous versions, for these situations, Windows 10 includes the System File Checker (SFC), a tiny but powerful command-line utility that can scan the integrity and replace any corrupted or missing protected system file with a known good version.
In this guide, we'll walk you through the steps to use System File Checker (SFC) to repair any damaged system file automatically while you're running the operating system, offline using Advanced startup, and manually when SFC is unable to fix the problem.
Before you begin, it's important to note that you'll be making changes to your system, as such it's recommended to do a full backup or create a system restore point in case things go wrong, and you need to roll back.
The System File Checker (SFC) tool built into Windows will scan your Windows system files for corruption or any other changes. If a file has been modified, it will automatically replace that file with the correct version. If the SFC command doesn’t work, you can also try the Deployment Image Servicing and Management (DISM) command on Windows 10 or Windows 8 to repair the underlying Windows system image. On Windows 7 and earlier, Microsoft offers a downloadable “System Update Readiness Tool” instead. Let’s take a look at how to use them.
Why Won’t My Windows 10 PC Boot?
The Windows 10 boot process is quite simple. When your computer starts, the BIOS or UEFI Firmware is loaded, which performs a small set of checks on your hardware called the Power On Self Test (POST). The BIOS then scans the hard disk master boot record, which loads an essential file into main memory called WINLOAD.EXE. This kicks off the start-up process by loading the NTOSKRNL.EXE (NT Kernel, the heart of Windows) and HAL (Hardware Abstraction Layer.) Windows 10 then performs tasks such as initializing your hardware like your mouse and keyboard and reading the Windows Registry and user profile.
If you see a black screen with gray text that reads “Windows Boot Manager” with an error along the lines of “Status: 0xc0000605 Info: A component of the operating system has expired,” then it means something went wrong with WINLOAD.EXE.
Issues addressed in this tutorial:
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This tutorial will apply for computers, laptops, desktops,and tablets running the Windows 10 operating system (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba,Lenovo, and Samsung).