Booting the Windows into last known good configuration is the best way to solve the issue.
Now, read this post fromMiniToolto learn about the details.
If the subsequent boot process fails, the copy will be stored.
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Then the last known good configurations record will be used by the operating system to perform a successful boot.
Theblue screen of deathat startup triggered by the driver update.
The unsuccessful boot because of the newly applied Windows update or automatic updates.

The PCs abnormal startup sequence brought on by viruses, trojans, and rootkits.
The conflicts between newly installed hardware and other devices.
The conflicts between newly-installed software and other programs.
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In particular, it will not help if you stumble on these issues below:
1.
Programs crashing at random.
Computer running slow or other bad performance.

Maybe you are interested in this post 10 Reasons for PC Runs Slow with Windows 10/8/7.
Driver-related issues that youve been experiencing for several days.
This post provides 10 great and free Windows 7 themes and downloading links.

you’re able to choose one of them or all of them to download for your Windows 7.
Now, you may wonder how to boot into last known good configuration Windows 10/7.
Keep on your reading.

Step 1:Fully power your machine off.
check that that your PC is entirely turned off and not running anymore.
Step 3:Repeatedly pressF8(or another key/key combination) as soon as the logo disappears.

Step 6:PressEnterand wait for the process to complete.
You should be able to boot into the system now.
Instead, there are other options like refresh, reset (reinstall), restore, etc.
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you might simply boot your PC to enterSafe Mode.
Its an alternative to the last known good configuration.
Safe Mode is a built-in diagnostic mode of Windows 10 (7, 8, etc.)

Here is information on how to boot Windows 10 in Safe Mode.
Safe Mode: whats the difference, when and how to use?
After reading this post, you’re able to clearly know all the answers to these questions.

you could also use Windows 10 recovery bootable media like a DVD/USB bootable drive to enter WinRE.
Step 2:Enter the BIOS.
Step 4:ClickRepair your computerto enter into WinRE successfully.

Now, you could continue to enter Safe Mode.
Step 1:From theChoose an optionscreen, click theTroubleshootoption.
Step 2:Next, clickAdvanced Options.
Step 3:Click theRestartbutton.
Step 4:Then you will see multiple options for startup.
Press theF4key to enable Safe Mode.
Now your PC will start in Safe Mode.
Then it’s possible for you to troubleshoot your system without issues.
Here is how to do that:
Step 1:Enter WinRE.
Step 2:You should clickTroubleshootinChoose an option, and then chooseAdvanced options.
Step 3:ChooseSystem Restorein theAdvanced optionswindow.
Windows 10 System Restore stuck on initializing or restoring files?
This post gives helpful ways to fix System Restore stuck issue in 2 cases.
Here is how to use the Windows 10 last known good configuration alternative.
From this post, you have got the methods to boot your machine to the last known good configuration.
In case of something wrong with your system, you should back up your system in advance.
Now, I will introduce a piece offree backup softwarefor you MiniTool ShadowMaker.
MiniTool ShadowMaker provides a one-click system backup solution.
The system backup is bootable.
When the system crashes, you’ve got the option to restore your machine to a normal state.
MiniTool ShadowMaker provides Trial Edition that gives you a 30-day free trial for all backup features.
you might purchase itsPro Editionto use it permanently.
Now it’s possible for you to download MiniTool ShadowMaker Trial Edition to back up your system.
Step 1: Decide a Backup Mode
1.
Step 2: Choose the Backup Source
1.
This software selects the system partition and system reserved partition by default.
Then choose a destination path to store your system and clickOK.
Here I take theNew Volume (E)as an example.
Step 4: Start to Back up
1.
Go back to the following interface.
When the process is finished, you have backed up your system successfully with MiniTool ShadowMaker.
After fixing your issues, it is recommended you back up your system.