Why does my computer show two operating systems at startup?
Upon booting up, Windows may offer you multiple operating systems from which to choose. This may occur because you previously used multiple operating systems or because of a mistake during an operating system upgrade.
How do I remove Windows 7 Boot manager?
Stop ‘Windows Boot Manager’ options in Windows 7.
- Click Start.
- In the Search text box, type msconfig.
- Launch msconfig by selecting it from the search results above the search text box.
- Go to the Boot tab.
- Select the boot entry you want to delete.
- Click the Delete button and then click OK.
How do I uninstall Windows 7 OS?
Right-click on the volume where Windows 7 is installed and choose Format or Delete Volume. Now you have to remove Windows 7 from the multi-boot screen. You can do this by going to Start, Control Panel, System and Security, Administrative Tools, System Configuration.
How do I wipe my operating system from BIOS?
Data Wipe process
- Boot to the system BIOS by press the F2 at the Dell Splash screen during system startup.
- Once in the BIOS, select the Maintenance option, then Data Wipe option in the left pane of the BIOS using the mouse or the arrow keys on the keyboard (Figure 1).
How do I change my default operating system on startup?
To Choose Default OS in System Configuration (msconfig)
- Press the Win + R keys to open the Run dialog, type msconfig into Run, and click/tap on OK to open System Configuration.
- Click/tap on the Boot tab, select the OS (ex: Windows 10) you want as the “default OS”, click/tap on Set as default, and click/tap on OK. (
How do I choose my operating system on startup?
Steps to Choose a Default Operating System to Run at Startup in Windows 10
- First of all right click on Start Menu and go to Control Panel.
- Go to System and Security. Click on System. …
- Go to Advanced tab. …
- Under Default Operating System, you will find the dropdown box for choosing the default operating system.
How can I repair my Windows 7?
System Recovery Options in Windows 7
- Restart your computer.
- Press F8 before the Windows 7 logo appears.
- At the Advanced Boot Options menu, select the Repair your computer option.
- Press Enter.
- System Recovery Options should now be available.
How do I fix Windows 7 failed to boot?
On the System Recovery Options menu, select Startup Repair, and then follow the on-screen instructions. When it completes, restart your computer to see if it fixed the problem. When the startup repair process is done, you may restart your computer and check if Windows failed to start Windows 7 error disappears.
How do I get to the boot manager in Windows 7?
How to Access Advanced Boot Options in Windows 7
- Click the Start button, select the “Shut Down” arrow and then choose “Restart.”
- Press “F8” repeatedly while the computer reboots and before the Windows logo appears.
How do I remove an operating system from my computer?
In System Configuration, go to the Boot tab, and check whether the Windows that you want to keep is set as default. To do that, select it and then press “Set as default.” Next, select the Windows that you want to uninstall, click Delete, and then Apply or OK.
How do I remove Windows 10 and install Windows 7?
The Easy Way
- Use the Windows key + I keyboard shortcut to open the Settings app.
- Click Update & security.
- Click Recovery.
- If you’re still within the first month since you upgraded to Windows 10, you’ll see the “Go back to Windows 7” or “Go to back to Windows 8” section.
Can you wipe a SSD from BIOS?
Can I format a hard drive from the BIOS? Many people ask how to format a hard disk from BIOS. The short answer is that you can’t. If you need to format a disk and you can’t do it from within Windows, you can create a bootable CD, DVD or USB flash drive and run a free third-party formatting tool.
How do I wipe my hard drive to install new operating system?
Select the Settings option. On the left side of the screen, select Remove everything and reinstall Windows. On the “Reset your PC” screen, click Next. On the “Do you want to fully clean your drive” screen, select Just remove my files to do a quick deletion or select Fully clean the drive to have all files erased.
How do I wipe my computer using command prompt?
How to Format a Hard Drive Using the Command Prompt
- STEP 1: Open Command Prompt As Administrator. Opening the command prompt. …
- STEP 2: Use Diskpart. …
- STEP 3: Type List Disk. …
- STEP 4: Select the Drive to Format. …
- STEP 5: Clean the Disk. …
- STEP 6: Create Partition Primary. …
- STEP 7: Format the Drive. …
- STEP 8: Assign a Drive Letter.