Author: Bob Lin

Windows Safe mode starts Windows OS in a basic state, which bot into a limited set of files and drivers for troubleshooting.

In a case, you can’t turn on windows 10 or you get a blacks screen when booting, you may want to boot it with Safe Mode for troubleshooting. There are many ways to boot into safe mode in Windows 10. Note: in most cases, F8 or Shift+F8 don’t work any more.

Option 1: Use a Windows 10 installation DVD or bookable USB and the Command Prompt

1. In BIOS, make sure the PC boot from DVD or USB first. For example, Dell PC, press F2 when booting.
2. Press Enter when showing “Press any key to boot from CD or DVD” .
3. Select the language and keyboard layout you prefer and click  Next
4. In Install now screen, click on “Repair your computer“ on the bottom left corner of the screen.
5. In Choose an option, click on Troubleshoot.
6. In the Troubleshoot screen, click on “Advanced options” screen.
7. In Advanced options screen, click  “Command Prompt (Use the Command Prompt for advanced troubleshooting).”
8. Now, type this command: bcdedit /set {default} safeboot minimal, and then press Enter. It shows “The operation completed successfully.”
9. Type Exit to close the command prompt, and click on Continue on Choose an option screen.
10. After restart, Windows 10 starts into Safe Mode. Now, you can login with an admin account to troubleshoot the problem.

Please view the step by step video:

Option 2: Boot in Windows 10 Safe Mode by interrupting the startup process three times

Option 3: Using Advanced Startup Options

1. Press and hold the “Shift” key and click on the “Restart” button in the Windows Start menu.
2. This will bring up the “Advanced Startup Options” screen. Select “Troubleshoot” from the menu.
3. Next, select “Advanced options” and then “Startup Settings.”
4. You’ll be presented with a list of options for how to start Windows. Press the “4” key or F4 to boot into “Safe Mode.”

Alternatively, if you want to boot into Safe Mode with Command Prompt, you can use these steps:

1. Press and hold the “Shift” key and click on the “Restart” button in the Windows Start menu.
2. Select “Troubleshoot” from the menu.
3. Next, select “Advanced options” and then “Startup Settings.”
4. Press the “6” key or F6 to boot into “Safe Mode with Command Prompt.”

This will start Windows in Safe Mode with the Command Prompt running. You can then use the Command Prompt to troubleshoot and fix issues with your computer.

Option 4: Use bcdedit command

You can use the bcdedit command to configure your system to boot into Safe Mode. Here are the steps to configure your system to boot into Safe Mode using bcdedit:

1. Open the Command Prompt as an administrator. You can do this by right-clicking on the Start menu and selecting “Command Prompt (Admin)”.
2. In the Command Prompt, type the following command and press Enter:

bcdedit /set {current} safeboot minimal

This will configure your system to boot into Safe Mode with minimal drivers and services.

3. If you also want to enable network support in Safe Mode, type the following command and press Enter:

bcdedit /set {current} safeboot network

This will configure your system to boot into Safe Mode with networking.

4. Restart your computer. It should now boot into Safe Mode automatically.
5. When you’re finished with Safe Mode and want to boot back into normal mode, open the Command Prompt as an administrator again and type the following command, then press Enter:

bcdedit /deletevalue {current} safeboot

This will remove the Safe Mode boot configuration and allow your system to boot into normal mode again.

That’s it! You’ve now configured your system to boot into Safe Mode using the bcdedit command.

SMB is a network communication protocol for providing shared access to files, printers, and serial ports between nodes on a network. If you have a problem to access a network shared drive in Windows, you may want to enable it. Here is how.

1. Open Control Panel.
2. Click Uninstall a program under Programs.
3. Click Turn Windows features on or off.
4. Enable SMB here.
5. Click OK to save the settings.

Please view the step by step video:

1. Boot from the Windows 10 disc or USB thumb drive. If you don’t have installation media, check this post: How to download official Windows 10 ISO files 
2. Press enter when you see this message: Press any key to boot from CD or DVD…
3. In Windows Setup screen, chose your Language, Time and Keyboard method then click Next.
4. Click Install now
5. If you have a Windows 10 product key, enter here. If you upgrade from Windows 7 or Windows 8 click the option ‘I don’t have a key’ and ‘Do this later’ .
6. Select Windows 10 Edition.
7. Check Accept the license terms then click Next .
8. Click  Custom: Install Windows only (advanced)  to continue.
9. Select the drive then click Next.
10. Installing Windows is processing.

Please view this step by step video:

1. In Search, type reset this pc. Click on reset this pc. Or click on Windows start>Settings>Recovery.
2. Under Reset this PC, click on Get started.
3. You have two options: Keep my files or Remove everything.
4. Now, you an option to change the settings.
5. Then click Next.
6. If you are ready, click Reset.
7. Then follow the wizard to complete the reset.

Please view the step by step video:

If you would like to restore previous files or folders because they have been deleted or auto save overrides them, you can use Restore Previous Version in OneDrive. Here is how.

1. Find the folder you want to restore.
2. Right click on it.
3. Select Restore previous version.
4. You may have different versions. Select the version you want to restore.
5. You also have a n option to restore to a different location.
6. Now click OK to restore the file or folder.

Please view the step by step video:

If you would like to restore previous files or folders because they have been deleted or auto save overrides them, you can use Restore Previous Version in Windows. Here is how.

1. Find the folder you want to restore.
2. Right click on it.
3. Select Restore previous version.
4. You may have different versions. Select the version you want to restore.
5. You also have a n option to restore to a different location.
6. Now click OK to restore the file or folder.

Please view the step by step video:

1. Click on Star, and then Settigns.

2. Click o Update & Security.

3. Click on View Update history. You have an options to Uninstall updates.

Or run this command:

1. uninstall: wusa /uninstall /kb:[id]
2. For example, if you want to remove KB5001330, use the command uninstall: wusa /uninstall /kb:5001330

Please view the step by step video:

1. Click on Star, and then Settigns.

2. Click o Update & Security.

3. Click on View Update history. You have an option to Uninstall updates

Or run this command;

1. uninstall: wusa /uninstall /kb:[id]
2. For example, if you want to remove KB5001330, use the command uninstall: wusa /uninstall /kb:5001330

Please view the step by step video:

Situation: The user has configured to forward the call to her mobile phone. However, it doesn’t work. Whenever people call her number, it goes to the voicemail after 3 rings.

Troubleshooting: In the Routing settings, it should configured “Accept call by answering”. Default setting is “Accept call by pressing 1” which needs to change.

By default, an email message you could send or receive in Office 365 is 25 MB. However, you can increase it up to 150MB. Here is how.

1. With Office 365 admin center open, go to Exchange admin center.
2. Click on recipients.
3. Highlight the display name which you want to increase the email message size. Then click on 3 dots… Select Set default message size restrictions.

4. Enter the size of sent/received message no more than 153600 KB.

5. Click OK to save the settings.