Windows 10

How to boot into Safe mode Windows 10

This post is a step by step guide with pictures to help you boot into safe mode in Windows 10. Safe Mode in Windows 10 is a part of the advanced startup or diagnostic startup feature of Windows. With this you get almost all the troubleshooting options of Windows 10 at one place. Booting into safe mode is a rather convenient choice if:

  • You wish to remove a faulty device driver
  • need to troubleshoot a specific problem related to apps and programs
  • To make sure your core Windows installation is working fine
  • & a lot of other troubleshooting stuff

Safe Mode in Windows comprises of just the most basic system files & device drivers, the ones most essential for Windows to start. This mode helps you diagnose most of the problems associated with Windows, that might not let your PC start correctly.

How to boot Windows 10 safe mode:

Scenario 1: Through Lock Screen OR Start Menu

  • Press & Hold the Shift key on your keyboard
  • While Holding the shift key, Click on Restart



  • Now, from the menu Click on Troubleshoot
  • From the menu that follows, Click on Advanced Options


  • Now, from the menu that comes,
  • Click on Startup Settings


  • And, Click on Restart


  • Now, you will get a screen with options just like in the screengrab below


  • Press 4 on your keyboard
  • Your Windows 10 is now booting into safe mode
  • Enter your Account Password, when prompted
  • After the booting completes, your desktop will change to a black wallpaper
  • The screen should look something like this



Scenario 2: Through bootable media | Recovery Drive

In this scenario, most of the options remain exactly the same as mentioned above, the only thing that changes is the way you get to the troubleshoot Screen

  • Insert your Recovery or Installation DVD/USB into the drive/slot
  • Boot from the said media
  • When prompted, Select your keyboard layout
  • From the screen that follows,
  • Click on Troubleshoot & follow the steps as mentioned above
Windows 10

Fix: Your PC did not start correctly Windows 10

After following this post, you will be able to solve an issue with Windows 10, where your PC might suddenly restart (OR) might give you an error out of the blue upon restart of power up your Windows 10 based computer. The error reads like: Your PC did not start correctly. This error might also occur after you update or upgrade Windows.

Fix: Your PC did not start correctly Windows 10

Scenario 1: Your PC was working fine & suddenly started throwing this error

Scenario 2: Your updated, upgraded Windows & started receiving this error (see Below) | also if you added a hardware or updated drivers

Method 1: Safe Mode | Startup repair

Safe mode is a troubleshooting option for Windows that starts your computer in a limited state. Only the basic files and drivers necessary to run Windows are started. The words Safe Mode appear in the corners of your monitor to identify which Windows mode you’re using.

Follow the steps given below and check if that helps.

  • Type Update and recovery in search on Start menu.
  • Click Update and recovery, and then click Recovery.
  • Under Advanced startup, click Restart now.

If you are unable to login to your PC, or if you PC is stuck on the lock screen:

  • Press & hold the Shift button on your keyboard


  • Click on the power button
  • While holding the shift button,
  • Click on restart
  • On the Choose an option screen,¬† click Troubleshoot.


  • Click on Startup Settings
  • If you don’t see the Startup Settings option, click advanced options.


  • click Startup Settings.
  • click Restart.
  • On the Startup Settings screen, choose the Safe Mode.
  • Sign in to your PC with a user account that has administrator rights.

Now, If your computer starts normally in SAFE MODE, try Startup repair, follow the instructions below

Startup repair

To run Startup repair from Advance boot option, follow the below steps:

  • Press and hold Shift key and click on Restart under power (as Shown Above)
  • Click on Troubleshoot.
  • Click on Advanced Options.


  • Now click on Startup Repair.

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If the troubleshooter is able to solve the startup issue, good enough.

If in case the troubleshooter throws an error saying:


Follow Method 2.

Method 2: Rebuilding BCD | Boot configuration data

To check & rebuild the Windows BCD:

  • Follow the steps above to open the Diagnostic Menu in Windows 10
  • OR
  • Insert the original Windows DVD/USB and boot from it
  • Click Troubleshoot
  • Click on Advanced Options
  • Click on Command Prompt


  • Now,
  • Type bootrec /fixmbr
  • Press Enter
  • Then,
  • Type bootrec /fixboot
  • Press Enter
  • Then,
  • Type bootrec /rebuildbcd
  • Press Enter
  • Now, Type Exit


  • Restart your computer

Scenario 2: Your updated, upgraded Windows & started receiving this error

Method 3: Using system restore

Click here (Using System restore Windows 10)

Now, If nothing seems to help & you have your data backed up, it is time to Reset Your PC

Method 4: Reset Your PC

  • From the Diagnostics Menu (as show above)
  • Click on Troubleshoot
  • Then, Click on Reset this PC


  • Resetting your PC will delete all data & personal setting, apps from your PC
  • Make sure you have everything backed up
  • Click on Reset
  • Let Windows Reset your PC
  • After everything finishes up. Your PC should work fine.

If in case, you still face an issue, please post a comment or use contact form to leave me a message. Will try to further troubleshoot your issue.

Windows 7 Windows Vista

Windows Memory Diagnostic : Test your computer RAM for errors

After reading this you will be able to find problems associated with your system/computer RAM. System RAM ( Random Access Memory ) plays a very important role in the functioning of your computer system. A healthy working RAM is responsible for a better performing & stable computer system. If there are some errors in your RAM module/modules that will certainly result in an unstable system that increases the probability of Data Loss. Many STOP or Blue Screen errors in your computer can be caused by faulty RAM.

Windows 7 has a built-in tool to search for these errors. If an error is found you can decide to change the RAM module/s.

To Use Memory Testing Tool in Windows

If you can boot into Windows

  • Go to, The start menu
  • In the start menu search, type Windows Memory Diagnostic
  • Press Enter


  • Go to, Start Menu
  • Top right corner. select select large icons/small icons
  • Locate Windows Memory Diagnostic


Advanced options for running the Memory Diagnostics Tool


It is recommend that you let the Memory Diagnostics Tool run on default settings. However, advanced users might want to adjust the tool’s settings :

  • When the Memory Diagnostics Tool starts, press F1.
  • You can change these settings settings:
  • Test mix. Choose what type of test you want to run: Basic, Standard, or Extended. The choices are described in the tool.
  • Cache. Choose the cache setting you want for each test: Default, On, or Off.
  • Pass count. Type the number of times you want to repeat the test.
  • Press F10 to start the test.

If you are unable to boot into Windows

  • Press F8 at the time of boot ( just after pressing the power button on your computer )
  • Press the Down Button to select Advanced Start-up options
  • Select Windows Memory Diagnostic
  • Follow the on-screen instructions