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Switching BIOS legacy mode to UEFI after Win10 upgrade from Win 7
I have an Inspiron 660. Last fall I upgraded Win 7 to Win 10/64. I was looking at the System Information recently and I noticed that the BIOS mode was set to Legacy.
I see that UEFI is a step up from BIOS.
Is it safe to switch to UEFI after upgrading in Legacy BIOS mode?
Saltgrass
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October 16th, 2016 09:00
If you had Win 7 it was probably installed as Legacy (MBR). The upgrade would have left it in that configuration.
If you have a UEFI bios you will need to do a clean install and select the UEFI version of the Install Media. The install cannot convert the current hard drive to GPT unless all the partitions have been removed.
So basically, if you don't want to redo your system, leave it in the Legacy configuration.
DELL-Jesse L
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September 22nd, 2016 09:00
rpwinks,
Click the link below for information on the UEFI bios.
What You Need to Know About Using UEFI Instead of the BIOS
rpwinks
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September 22nd, 2016 09:00
I read that before. I'm concerned about flipping from the BIOS legacy mode to UEFI after having upgraded from Win7 to Win10. Is there anything I need to know/be aware of? Will it require new drivers? etc.
DELL-Jesse L
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September 23rd, 2016 06:00
rpwinks,
No drivers needed. If you run into any issues you can switch it back.
rpwinks
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October 1st, 2016 07:00
Welp, I tried changing (F2 at startup) the BIOS setup Boot mode from Legacy to UEFI and the system would not start. It said that it could not find a bootable device. I guess I'll stick with the Legacy boot.
rpwinks
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October 16th, 2016 10:00
Thanks. This is the answer that I was looking for originally.