Went Back to Previous Version of Windows but It Forced Me to Upgrade Again

As more and more than people worldwide begin working from home, I'chiliad seeing a renewed interest in upgrades to Windows 10. That older PC that's been gathering dust in the back of the cupboard will probably run Windows ten simply fine, and a steady stream of reports from my readers confirm that Microsoft is continuing to allow costless upgrades to Windows ten from Windows 7 and Windows eight/8.i. (For details, see "Hither's how you can still get a free Windows 10 upgrade.")

But a pocket-size percentage of readers have reported problems with the upgrade, usually because of compatibility problems with existing software or hardware. In this post, I provide details about tools and techniques you tin can use to identify and ready the outcome that's blocking an upgrade. These steps can as well assist you diagnose problems installing characteristic updates on PCs that are already running Windows 10.

Notation that some of these steps require intermediate to avant-garde technical skills. If you're uncertain about some of the details or unsure about how to interpret results, ask a friend or colleague with It experience to aid. (They can do so using remote support tools, as I explain in "Remote support essentials: four steps you lot tin take now to keep friends and family continued.")

Bank check for an updated BIOS

This step is peculiarly important for older PCs that were designed and congenital earlier the release of Windows x. On legacy PCs, the BIOS takes intendance of starting up a PC and managing connections to essential system devices similar keyboards and deejay controllers. Back in 2015 and 2016, many PC manufacturers released updates to their BIOS code, specifically designed to address upgrade issues, and sometimes only upgrading the BIOS is enough to solve a failed upgrade.

To find details almost your organization, press Windows cardinal + R to open the Run box, type msinfo32, and then press Enter. That opens the System Information app. On the Arrangement Summary tab, wait for the item labeled BIOS Version/Date, as shown here.

If the BIOS date is before 2016, see if the PC maker has an update available.

If the BIOS date is earlier than 2016, information technology'south worth checking the computer manufacturer's website to come across if an update is available. Even some older systems that were past their back up deadline received fresh BIOS code around the time of Windows ten'southward release in mid-2015.

Perform basic troubleshooting steps

The almost common upgrade errors can exist traced to a handful of bones causes: software incompatibilities, storage-related problems, and errors in the Setup magician. Even if you don't know the exact reason for an upgrade problem, you might exist able to resolve it with some elementary troubleshooting measures.

First, temporarily uninstall any unneeded software. Pay special attending to low-level system tools such as antivirus software, disk direction tools, and so on. In the case of antivirus software, yous might need to download a tool from the developer to completely remove the program.

Next, check Windows Update for your currently installed version of Windows. If any updates are awaiting, install them and restart before continuing.

Disconnect all non-essential peripheral devices, especially external hard drives and USB flash drives.

Finally, skip the upgrade wizard, which can sometimes fail because it's unable to ask for your permission to go past an error. Instead, run Windows Setup direct from downloaded installation files. To do this, use the Windows 10 Media Creation Tool to download the necessary files to a USB bulldoze; you can also use the choice to save the installer as an ISO file, which yous can then mount as a virtual bulldoze, with its own drive letter. (For instructions on how to download these files and instructions on mounting ISO files, see "Here's how yous can still go a free Windows ten upgrade.")

Use Windows Explorer or File Explorer to open up the external or virtual bulldoze and and so double-click Setup to begin the upgrade.

Wait up known issues

Use this navigation pane to quickly cheque for known issues with a specific Windows x release.

Before y'all spend a lot of time trying to upgrade an old PC or install a new characteristic update, check out the list of known issues at Microsoft'south Windows 10 release data dashboard. Expand each entry on the left to see the list of known and resolved bug for supported releases of Windows ten.

Known issues are virtually probable to appear in the first few months after the release of a new feature update. Incompatibilities with software and hardware can lead Microsoft to impost temporary compatibility blocks for systems with those detail configurations.

You might be able to bypass one of these blocks past updating or uninstalling an incompatible program, or you might want to defer that update until the blocking issue is resolved.

Run the built in compatibility checker in Windows Setup

Although recent feature updates on modern hardware typically install very chop-chop, some upgrades can take a long time. It's frustrating to get to the end of that procedure, afterwards an hour or two, to notice that the system has rolled back the update and restored your previous Windows version, without any indication of what the problem is.

If you lot'd rather skip that procedure, you can run Windows Setup using a pair of switches that instruct it to perform a compatibility check and return the results. To do and so, you need to have access to the full Windows installation files, every bit explained in the previous department.

Open File Explorer (Windows Explorer in Windows seven) and make a note of the drive letter assigned to the external or virtual drive where your Windows installation files are available.

Next, open a Control Prompt window (the easiest style is to press Windows primal + R to open up the Run dialog box), and and then typecmd.exe and press Ctrl+Shift+Enter to run it equally an ambassador. At the command prompt, type the following commands, substituting the drive letter where your installer files are located in place ofd:. Printing Enter later on each 1.

d:

Setup /Compat ScanOnly

Follow the setup screens just as if you were performing an upgrade. When you go to the final screen, click Install. The program should end at that point rather than showtime the upgrade. When it does, it writes some data to a file chosen BlueBox.log, which you'll discover in the C:\Windows\Logs\MoSetup folder.

Double-click that file to open up it in Notepad and then curlicue to the bottom and look for the last error code. If y'all meet 0xC1900210, y'all're good to get. That means there are no blocking compatibility issues.

If yous see another error lawmaking, yous'll demand to find out what information technology ways. Here are four common errors, decoded:

• Compatibility problems institute (hard block): 0xC1900208
• Migration choice (auto upgrade) not available (probably the incorrect SKU or architecture) 0xC1900204
• Does non meet organization requirements for Windows 10: 0xC1900200
• Insufficient free disk space: 0xC190020E

In that location are other, less common mistake codes you might encounter. For data on what these codes mean, see this official Microsoft support document: Resolve Windows 10 upgrade errors : Technical information for It Pros.

For a compatibility block, you should see more details virtually the block, along with a link to instructions on how to resolve the issue.

After a failed install, check the Setup logs

Must-run across offer

Get Windows 10 Are you lot looking for Windows 10 Home or Windows 10 Pro? Not sure? Acquire more most Windows 10 versions at Microsoft.

If you lot've attempted a Windows 10 upgrade and information technology failed, y'all might exist tempted to attempt again. That is the approved definition of insanity: doing the same affair again and expecting different results.

As a rational culling, I recommend using Microsoft's official diagnostic utility, SetupDiag, to encounter if y'all can divine the reasons for the failure. This tool uses a set of rules (more than than sixty of them in the current release as of early 2020) that friction match known bug affecting Windows ten upgrades; it runs on Windows seven, Windows 8.x, and Windows ten, although the destination OS must be Windows 10, and you might need to install the .Internet Framework iv.6 for it to run properly. SetupDiag inspects the voluminous log files that Windows creates each fourth dimension information technology attempts an upgrade, then reports the most probable cause of the failure for yous.

When a Windows x upgrade or feature update fails, become to this folio and download SetupDiag.exe. Keep that page open, and so that you can refer to its instructions as needed. Information technology also contains links to details for decoding error codes.

Copy SetupDiag.exe to its own folder on the PC where Setup failed and so double-click the executable file. The current edition of the plan is smart enough to look in locations where log files are commonly saved, so yous don't need to specify whatsoever command-line switches for the tool.

The output for SetupDiag is a apparently text file that is saved in the same folder as the programme file. You can open the results file in any text editor, including Notepad, to examine its output and figure out what to do next.

If you have any questions about these tools, or if yous have suggestions to offer, delight transport them to me directly. Click here to open my bio, then click the envelope icon to ship me a directly message. Be sure to include your real e-mail address if you want to receive a response, and check to make sure you lot have typed it correctly. I promise that the information you provide will exist used exclusively for our correspondence about this issue and I will non share it with anyone else without your permission.

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Source: https://www.zdnet.com/article/windows-10-upgrade-failed-use-these-5-tools-to-find-the-problem-and-fix-it-fast/

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