July 24, 2016 updated by
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How can I get into Safe Mode on the new Windows operating systems such as Windows 8, Windows 10 and Server 2012? Starting from Windows 8, the system boots very quickly and the time to press F8 key to access Safe Mode is smaller than 200 milliseconds, so it’s almost impossible to enter into the Safe Mode by pressing F8 during boot time.
In this tutorial we’ll show you 3 workable ways to boot Windows Server 2012 into Safe Mode. The methods should also work with Windows 10 and Windows 8/8.1.
Method 1: Boot Windows Server 2012 into Safe Mode Using Command Prompt
- Press the Windows key + X to open the WinX menu, select “Command Prompt (Admin)” from the list.
- In order to make Windows display the Windows Boot Manager, type the following command at the Command Prompt and press Enter. You will get a confirmation stating that The operation completed successfully.
bcdedit /set {bootmgr} displaybootmenu yes
If you want to stop displaying the Windows Boot Manager later, run this command instead:
bcdedit /set {bootmgr} displaybootmenu no
- Now restart your computer and you’ll see the Windows Boot Manager screen. Just press F8 to bring up the Advanced Boot Options.
- Select Safe Mode and press Enter. This will open Windows Server 2012 in Safe Mode.
Method 2: Boot Windows Server 2012 into Safe Mode Using System Configuration
- Press the Windows key + R to open the Run box. Type msconfig and press Enter.
- Now the System Configuration dialog box will be opened. Under the Boot tab, check the Safe boot option and click OK.
- Reboot your computer and it will boot directly into Safe Mode automatically. If you wan to stop Windows from booting into Safe Mode next time, you need to open the System Configuration utility (msconfig) again and uncheck the Safe boot option.
Method 3: Boot Windows Server 2012 into Safe Mode Using Settings App
- To get started, you need to open the Settings panel. This can be done by hovering your mouse to the top right-hand corner of the screen, or press the Windows key + I on your keyboard.
- Hold down the SHIFT key on your keyboard, and then click on Power icon and select Restart.
- You will need to click on the Troubleshoot option.
- Click Startup Settings.
- Click Restart.
- The computer will boot automatically to the Advanced Boot Options screen. From there you can select Safe Mode to start Windows Server 2012 in Safe Mode.
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UPDATED: March 2018
If you have worked on Windows 8 or newer, you will know that Microsoft has removed the F8 boot functionality. They did this to decrease boot times. What is odd is that they applied this logic to servers; I would not have. Regardless the F8 Safe Mode functionality is not truly removed, it is just turned off.
To turn F8 boot on in Server 2012 you need to get to an elevated CMD prompt. If your server is functional that is easy. If your server won’t boot (hence the need for F8) then you can boot off of a Windows Server install DVD and select REPAIR YOUR COMPUTER option, the Troubleshooting, then Command Prompt.
Once you have a Command Prompt (as an administrator) open enter the following commands which are self explanatory:
- bcdedit /set {bootmgr} displaybootmenu yes
- bcdedit /set {bootmgr} timeout 10
Reboot your machine and enjoy pressing F8 and getting back into SAFE MODE or LAST KNOWN GOOD to work out your problem.
This will also work on Windows 8 and Windows 10.
Note that the BCDEDIT commands do NOT work from PowerShell. They NEED to be run from CMD.EXE :
Thanks to a number of blogs including THIS one.
Thanks
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Where has Server 2012 Safe Mode gone — Startup Settings missing too?!
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Вопрос
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Hi, I desperately need Safe Mode (No Networking etc) in Windows 2012 RTM as the server is down because a bad network driver is generating BSOD due to IRQL_NOT_LESS_OR_EQUAL. This should be simple to disable… but in Win 2012 it isn’t!
I have already seen the articles about how F8 is different now (useful feature change in emergencies…) but if you use Shift-F8 you should get into the Troubleshoot -> Advanced Options, and phew, I can do that just about (after many long reboots and
F8 mashing — it’s a luck thing) — however am stunned to find that slightly contrary to article screenshots, I have the icons for:- System Restore
- System Image Recovery
- Automatic Repair
- Command Prompt
- Startup Settings — oh no, hang on — this one is NOT THERE!!!
Naturally, Startup Settings is the one I need to switch this cursed thing into Safe Mode! So why is it not there on some servers — I wasn’t aware that there were any hardware dependencies for this. It’s an HP ProLiant DL120 G7, but
this is an OS issue, not straight hardware (in which case I’d expect the setting to be there but cause an error/warning).This may be something to do with the OS being in Recovery Mode etc — but that is the whole point of needing Safe Mode! So what is the way to get into that please, so I can simply disable the bad driver and get on with our business?
Phil
Ответы
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Hi,
To enable Safe Mode, please try the following:
1. If you can boot into Windows, please open a privileged command prompt.
2. If not, please boot into recovery mode and run command prompt.
3. In the command prompt, please input
Bcdedit /set {bootmgr} displaybootmenu yes
4. Once completed, please restart your computer, then press F8 to enter setup screen upon startup, then press F4 or 4 to enter safemode.
References:
How to easily enter safe mode in windows 8? (One-click series)
http://support.microsoft.com/kb/2809468
Hope this helps.
Niki Han
TechNet Community Support-
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9 октября 2013 г. 15:55
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Помечено в качестве ответа