I'd like to change boot mode from UEFI to Legacy in BIOS (Aspire 5 A515-44)

38XO
38XO Member Posts: 3 New User
edited February 26 in Aspire Laptops

I'm currently using the latest bios on the Aspire 5 A515-44 model and I'm currently operating in UEFI mode. (I'm using Windows 10 x64)

But since last week, I put the HDD that I used on other laptops in the second hard bay, but I didn't have to format or partition because of the data inside.

Perhaps that's why every time I boot, the boot area of the SSD C: originally installed on the A515 and the boot system on the newly installed HDD collide with each other, causing the boot to occur through the newly installed HDD.

Of course, it's possible to press F12 to choose the boot system every time I boot, as the Acer service center told me that it's the only way, but it's too much to do that every time I boot,

I essentially wanted to switch boot mode to legacy in BIOS so I could order boot.

However, in the bios, the boot mode is disabled in gray, making it impossible to select and change.

At service center said that I can't make that choice,

But I remember being able to change it when I used it before, and most of all, I don't understand that the manufacturer purposely made a menu that didn't work on the bios, so I'm asking you the question because I think the service center gave the wrong guidance.

In order for you to answer, if there is anything else I need to tell you, please feel free to tell me.

[Edited the thread to add model number to the title]

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