00:00Hey everyone and welcome to the channel. Today, we're diving deep into something absolutely
00:06crucial for keeping your Windows PC running smoothly. Whether it's the latest version
00:10or one you've been using for a while, we're going to talk about system file integrity.
00:15Now what does that even mean? Think of your Windows operating system as a complex machine
00:20built from thousands of tiny parts, which are the system files. Over time, things like software
00:25installations, updates, or even unexpected shutdowns can damage or corrupt some of these
00:30parts. When that happens, you might experience weird glitches, random crashes, slow performance,
00:36or even the dreaded blue screen of death. It's a real headache. But here's the good news. Windows
00:42has powerful built-in tools designed to fix exactly these kinds of problems. You don't need to download
00:48any sketchy third-party software. Today, I'm going to walk you through a two-step process using two
00:54incredible utilities, DISM, which stands for Deployment Image Servicing and Management,
01:00and SFC, the System File Checker. By the end of this video, you'll know how to perform a complete
01:06health check and repair on your system, keeping it stable, fast, and error-free. This is a maintenance
01:12routine every Windows user should know, so grab a coffee and let's get your PC back in top shape.
01:18All right, let's jump right into the first and most powerful tool in our arsenal, DISM. This
01:24utility works with the core Windows image on your computer. The Windows image is essentially the
01:30master blueprint for your operating system. If this blueprint is damaged, any repairs you try to make
01:35might fail because the source files are corrupted. DISM's job is to check and repair this master image
01:41first, ensuring that when we run our next tool, SFC, it has a clean and reliable source to pull files
01:48from. So how do we use it? The first thing you need to do is open an elevated command prompt.
01:53This just means running it as an administrator to give it the necessary permissions to make changes to
01:58system files. To do this, go to your start menu and type CMD or command prompt. Don't just click on
02:05it.
02:05Instead, right-click on the command prompt result and select run as administrator. You'll see a user
02:10account control pop-up asking for permission. Just click yes. Now you should have a black window
02:16open with the title, administrator, command prompt. This is where we'll enter our commands. We're going
02:23to run three separate DISM commands one after the other. Think of it as a three-stage checkup. The first
02:29command is a quick health check. It doesn't fix anything, but it rapidly scans the system to see if
02:34any corruption has been flagged. In the command prompt window, type this command exactly as I say it,
02:40DISM space forward slash online space forward slash cleanup image space forward slash check health.
02:48So that's DISM online cleanup image check health. Once you've typed it in, press enter. This process
02:55is usually very fast, often finishing in just a few seconds. It will report back whether it found
03:01any component store corruption. If it says no component store corruption detected, that's a great sign,
03:07but we're not done yet. We still need to do a more thorough scan. Now for the second command,
03:12which performs a much deeper scan of the component store. This will take longer than the first command,
03:18maybe a few minutes, as it is doing a more detailed analysis to find any inconsistencies that the quick
03:23check might have missed. The command is very similar to the last one. Type DISM space online space
03:31cleanup image space skin health. Again, that's DISM, online cleanup image skin health. Press enter and let
03:38it run. Be patient and don't close the window. While it's running, you'll see a progress bar. This command
03:46will give you a more definitive answer on whether your windows image is healthy or needs repair. Once
03:51it's finished, it will tell you if the component store is repairable or not. Most of the time it will
03:56be,
03:56and that leads us perfectly into our third and final DISM command, the one that actually does the
04:02fixing. This is the most important step, the repair itself. The next command, restore health,
04:09is the magic wand. It will scan for corruption and then automatically connect to Windows Update Online
04:14to download fresh, clean copies of any damaged or missing files and replace them. This is why having
04:20an active internet connection is crucial for this step. The command is DISM space online space cleanup
04:27image space restore health. One more time, DISM online cleanup image restore health. Go ahead, type that in
04:36and press enter. This process will take the longest of the three, sometimes anywhere from 5 to 15 minutes
04:42or even longer depending on the speed of your computer and your internet connection. You might see the
04:47progress bar seemed to stall at 20% or 40% for a while, that's completely normal, so just let
04:53it do
04:53its thing. Once it's complete, it should say the restore operation completed successfully. If you get
04:59this message, congratulations. You have successfully repaired your core Windows image. Now your system has
05:06a healthy blueprint to work from. With this foundation laid, we are ready to move on to the second part
05:11of
05:12our PC health check, the system file checker. Now that we've ensured our core Windows image is clean
05:18and healthy using DISM, it's time for step two, running the system file checker or SFC. So what's the
05:24difference? While DISM fixed the master image, SFC job is to scan all the protected system files
05:31currently in use on your computer and compare them against the clean master copy that we just repaired.
05:36If it finds any files that are corrupted, modified, or missing, it will replace them with the correct
05:43version from that healthy source. Think of it this way. DISM repaired the warehouse of spare parts and
05:49now SFC is going through your machine, checking every part and swapping out any faulty ones with new
05:54ones from the warehouse. Running DISM first is key because if the warehouse itself has bad parts,
06:00SFC might fail or use a corrupted file for the repair which doesn't solve the problem.
06:04Running SFC is incredibly simple. We'll use the same elevated command prompt window we had opened
06:10for DISM. If you close it, just reopen it by searching for CMD, right-clicking and selecting
06:16run as administrator. The command you need to type is one of the most famous in the world of Windows
06:21troubleshooting. It's just SFC space forward slash scano. That's SFC slash scan now, all one word.
06:29Press enter to start the scan. The system will now begin a verification phase and you'll see a
06:35percentage counter as it progresses. This scan can also take some time, typically around 5 to 15
06:40minutes. So again, patience is key. Let it run its course without interrupting it. Once the SFC scan is
06:46complete, you'll receive one of a few possible messages and it's important to understand what they
06:52mean. The best case scenario is the message. Windows Resource Protection did not find any integrity
06:57violations. This is great news. It means that after our DISM repair, SF scanned everything and confirmed
07:05that all your protected system files are in perfect condition. Your system is healthy. Another common
07:10message is Windows Resource Protection found corrupt files and successfully repaired them. This is also a
07:17fantastic result. It means SFC detected problems. Perhaps some files were damaged, but it was able to use the
07:24clean image we prepared with DISM to fix them automatically. Details of the repairs are saved
07:30in a log file, but for most users, just knowing that the fix was successful is enough. After seeing this
07:36message, it's a very good idea to restart your computer to ensure all the changes take effect
07:40properly. Occasionally, you might get a message like Windows Resource Protection found corrupt files,
07:47but was unable to fix some of them. This can be a bit more concerning. It usually happens if the
07:52damage is
07:52more severe or if some files are in use and can be replaced. If you see this, don't panic. The
07:58first
07:59thing to try is rebooting your computer into safe mode and running the sfc escano command again from
08:04there. In safe mode, fewer files are in use, which can allow SFC to successfully replace the stubborn
08:10ones. If that still doesn't work, it's a good indication that you might need to perform a more advanced
08:15repair, like an in-place upgrade or a system reset, which are topics for another video. However, in most cases,
08:22running DISM followed by SFC, as we've outlined, will resolve the vast majority of system file
08:27issues. So there you have it, a complete two-step guide to verifying and repairing the very core of
08:35your Windows operating system. Let's do a quick recap of what we've learned. First, we started with
08:40DISM to check and repair the underlying Windows component store or the master image. We ran three
08:47commands in order, check health for a quick look, scan health for a detailed analysis, and finally,
08:52the powerful restore health to download and fix any corruption found in the master image.
08:57This step is crucial because it ensures our repair source is clean and reliable.
09:02Then, with a healthy foundation in place, we moved on to the system file checker or SFC.
09:07We ran the simple sfscano command. This tool meticulously scanned all of our active system files
09:14and compared them against the perfect copies in the now-repaired image.
09:17If it found any discrepancies, it automatically replaced the bad files with good ones.
09:23Following this DISM within SFC sequence is the most effective and thorough way to resolve issues
09:29related to system file corruption, which are often the root cause of instability, errors,
09:34and poor performance. Making this procedure a part of your regular PC maintenance routine,
09:39maybe once every few months or whenever you feel your system is acting up,
09:43can save you a lot of trouble down the line. It's like a deep cleaning for the engine of your
09:47computer.
09:48Thank you so much for watching all the way through.
09:51I hope you found this guide helpful and that it gives you the confidence to keep your Windows system
09:56in peak condition.
09:57If it did, please consider giving this video a thumbs up. It really helps the channel out.
10:03And for more easy-to-follow Windows tips, optimization guides, and troubleshooting tutorials just like this one.
10:09Make sure to hit that subscribe button and turn on notifications so you do not miss our next video.
10:15Thanks again for tuning in and I'll see you in the next one.
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