Do you want to completely reinstall Windows 10 or another operating system on your PC? Or do you want to optimize the performance of your equipment? To do this, you will need to access the BIOS or UEFI of your machine. To find out how, follow the guide.
With the launch of Windows 10, and even before him with that of Windows 8, Microsoft wanted to make its operating system one of the fastest in terms of startup. Once the machine is powered on, on some large configurations and depending on the programs that run after the launch of Windows 10, you can access the desktop in less than ten seconds. If one sees at the outset the advantage implied by this reduced start-up time, there is nevertheless a whole disadvantage: the system tends to prevent you from accessing UEFI or PC BIOS settings. In fact, this is not practical for those who wish to configure the nerve center of their computer, the very place that allows them to manage the hardware components of the PC, the boot order of the devices, etc. So here's how to fix the problem and access the PC's BIOS or UEFI.
Read also: how to access the safe mode of Windows 10
Access UEFI from Windows 10
In order to allow everyone to reach the UEFI settings of the PC, Microsoft has implemented a small adequate option within the operating system. Depending on the speed of your hardware configuration, this may be absent. If so, go to the second part of this article. Otherwise, here is how to do it:
- From Windows 10, press the button Dmarrer and click on the icon settings (you will easily find it, it is a notched wheel).
- Then go to the function Update and security.
- In the left pane, go to Rcupration.
- From the section Advanced start, press the button Restart now.
- Then click on Troubleshoot, then on Advance options.
- You should see an option titled Change UEFI firmware settings. Click on it. If not, as mentioned above, see the second part of this article.
- After clicking on the button Redmarrer, you should have access to UEFI settings on your motherboard. Among other things, you can change the order of the drives, an essential option if you want to boot from a USB key or an optical disc.
Access BIOS or UEFI without going through Windows 10
The second solution to access the parameters of UEFI or Bios is much more classic. However, since Windows 10 starts far too fast, you may have to try it several times to make this method work:
- When starting the PC, press several of the following keys repeatedly: (F1), (F2), (F8), (F10) or (Delete), it all depends on the manufacturer of your motherboard. On very old models, it is even necessary to press the keys simultaneously (CTRL) + (ALT) + (ESC). You must imperatively perform this operation before the Windows loading logo appears, otherwise it is too late and it is necessary to restart the machine. 2. From then on, you have access to all the settings of your BIOS or your UEFI. Remember that some changes can cause a malfunction of the PC if they are poorly mastered. The good news is that it is possible to restore the default configuration at any time, always by accessing the BIOS or UEFI.