How to Change BIOS Mode from Legacy to UEFI in Windows 10

It is a easy tutorial that can assist you change the BIOS mode from Legacy to UEFI in Home windows 10. We promise it will not take various minutes. 😄

Primary Enter/Output System (BIOS) is the very first thing you activate whenever you flip in your pc. It ensures a great handshake between the working system and the related {hardware}. And from that second you begin utilizing your pc.

BIOS (also referred to as Legacy or Legacy BIOS) was good at what it did from 1975 to 2020; the yr that chipmakers slowly began emigrate to an environment friendly different: UEFI (Unified Extensible Firmware Interface).

The improve offers:

• Quicker boot instances and system efficiency
• Help for arduous drives (and partitions) bigger than 2.1 TB
• Extra safety and superior graphical person interface
• Boot help for each GPT (GUID Partition Desk) and MBR (Grasp Boot Report) (through compatibility mode)

As well as, UEFI’s capacity to make use of the GPT partition desk doesn’t suggest any sensible limitation on the variety of partitions.

How you can change BIOS mode from Legacy to UEFI in Home windows 10

This tutorial is split into two components:

• Convert your arduous disk from MBR to GPT
• Allow UEFI from the BIOS setup (that is your alternative)

The second half is restricted to the producer. So test it out beforehand and make your self snug earlier than continuing with the primary one. Likelihood is the choice for UEFI is not within the BIOS should you’re utilizing a very previous PC.

However for latest variations, you’ve this selection to modify to UEFI BIOS.

Earlier than you start this information, guarantee that:

• You have got a whole backup of your system
• You haven’t any greater than three partitions
• Gadget encryption providers corresponding to BitLocker are disabled

And sure, learn no additional in case you are utilizing Home windows 11. In that case, your PC ought to already be working on UEFI. Nevertheless, this is a vital merchandise on the guidelines for Home windows 10 customers who wish to improve to Home windows 11.

Let’s begin with the primary dish.

Examine the present standing.

Kind System data within the search bar and click on Open the specified end result.

There you possibly can BIOS mode exhibits legacy:

You can too affirm this with the disc sort. Press Home windows+R, sort diskmgmt.mscand click on OK.

This may open the Disk Administration Console. Observe the steps within the given video and test if it does Grasp Boot Report (MBR) within the Partition fashion talked about underneath the volumes tab.

So now that we all know now we have an MBR disk, let’s attempt to convert it to GPR. That is finished with a easy instrument, MBR2GPT, which Microsoft shipped with Home windows 10 model 1703 or later.

You may test your Home windows model by typing <robust>winver</robust> whereas working (Home windows+R).

Since we’re eligible to make use of that instrument, let’s go to the command immediate.

MBR to GPT conversion

Open the command immediate with administrative privileges. Kind for this cmdafter which click on the Run as administrator in the correct panel.

Then go inside mbr2gpt /validate /allowFullOS within the command immediate:

Confirm that validation is profitable. Evaluate this resolution from the Microsoft group should you get it Disk format validation failed.

After profitable validation, sort mbr2gpt /convert /allowFullOS and hit enter:

The Unable to replace ReAgent.xml is an error particular to my system. You might not get it, and it will not have an effect on the conversion course of even whether it is there.

Briefly, the method is full and now we have modified the BIOS mode from Legacy to UEFI.

And this screenshot confirms that:

As well as, the disk administration instruments point out that the partition fashion is GUID Partition Desk (GPT). This course of created a 100 MB EFI partition from the primary disk. You may validate this by noticing the change within the measurement of the primary partition, which has shrunk from 458.35 GB to 458.25 GB.

However your pc will not boot after this as a result of the final step is to vary the BIOS settings from Legacy to UEFI. As talked about earlier, it is dependent upon the producer of your PC or the model of your motherboard if in case you have an assembled PC.

Conclusion

Whereas it was straightforward to transform BIOS mode from Legacy to UEFI in Home windows 10, a mean person might not want it. So ensure you actually need to do that earlier than you undergo all these troubles.

If it ain’t broke, do not repair it!

What’s price repairing as a substitute is the hearts of numerous people who find themselves not eligible for Home windows 11. 😉

So take a look at the Geekflare information to put in Home windows 11 on unsupported PCs.