All Questions
565
questions
129
votes
3
answers
503k
views
What is the difference in "Boot with BIOS" and "Boot with UEFI"
Now Windows 8 supports the UEFI bootloader and I have read that its different from the BIOS, but it's unclear to me after many searches on the Google.
Some points in mind are below:-
As we all know, ...
- 15.8k
90
votes
5
answers
232k
views
Linux on UEFI - how to reboot to the UEFI setup screen like Windows 8 can?
makeuseof.com explains that Windows 8 certified hardware has a new way to enter the UEFI setup screen (equivalent to BIOS). From How To Access The BIOS On A Windows 8 Computer:
No longer do we ...
- 3,365
50
votes
2
answers
510k
views
What is CSM option
What is the CSM option in BIOS? If I can't boot into Windows any more, is it because CSM is disabled?
Would an ASUS K55 come with this option diabled?
- 509
30
votes
4
answers
282k
views
What exactly is "UEFI with CSM" boot mode?
Under this question, I was told that "UEFI with CSM" is essentially BIOS mode. It made me quite confused because what I've learnt over the years is far from that.
As per my observation, I think CSM ...
- 11.2k
26
votes
1
answer
131k
views
Should I install an OS using UEFI or BIOS (legacy/CSM) boot mode? [duplicate]
I'm installing a new operating system on my computer. Should I install it for booting in UEFI or legacy (BIOS/CSM) mode? What are the advantages or disadvantages to using one or the other?
- 461
25
votes
6
answers
86k
views
How to know if my BIOS supports UEFI?
I recently bought a new Dell notebook for my girlfriend and I want to know if the computer comes with a UEFI BIOS, unfortunately I didnt find any information in the manual or on Windows, is there some ...
- 30.5k
22
votes
2
answers
9k
views
Why don't PC makers lock the bootloader? [closed]
Mobile phone makers always lock their device's bootloader - that is, they prevent you from getting root access to your device, or uninstalling the default operating system and installing something ...
user859885
21
votes
7
answers
86k
views
How to tell if the Windows Installer boots in EFI or BIOS?
I have a Windows 7 x64 install USB and want to know if the installer has booted into EFI or BIOS mode.
I found a solution here, but it doesn't work since notepad couldn't find:
\Windows\Panther\...
- 363
21
votes
7
answers
29k
views
Is there any way to boot Windows 7/8 using BIOS on GPT?
I'd like to know if there's a method to get Windows 7 or Windows 8 Developer Preview to install to a GPT disk on my traditional IBM PC BIOS setup. Windows 7, of course, rejects my GPT partition, ...
- 602
20
votes
1
answer
4k
views
What hardware device used to eat up 1.4GB of my 4GB RAM, and now suddenly after no hardware changes eats up 2.2GB?
This is more or less a continuation of
What hardware device eats up 1.4GB of my 4GB RAM?
While I have more or less accepted the solution there that for some mysterious reason, after a BIOS upgrade ...
- 3,437
19
votes
1
answer
102k
views
How do I "Boot to UEFI shell"?
I am trying to follow some instructions to update some firmware:
x64 UEFI environment:
Boot to UEFI shell
Run update.nsh
I don't know how to do this. When I boot, do I have a choice to boot to UEFI ...
- 2,237
17
votes
7
answers
86k
views
How to move an existing installation of Window 7 64bit to UEFI (from legacy)
I have a laptop that has Windows 7 64 bit Enterprise edition. It is already filled with plenty of Software and drivers.
The laptop (Dell E6220) supports booting through UEFI, but the insatllition was ...
- 173
16
votes
3
answers
11k
views
Is TianoCore+coreboot a true open source UEFI?
There has been a lot of controversy surrounding UEFI, but like it or not, it's becoming the only option when it comes to generally available desktop motherboards. I've been avoiding UEFI mobos for ...
- 272
16
votes
5
answers
24k
views
Do hard drives need a GUID partition table (GPT) to boot in UEFI mode?
Is EFI booting something hardware specific? I have a desktop motherboard with a UEFI Bios, but I can only boot from USB drives in "UEFI" mode. Both the DVD drive and the HDD's (a RAID 0 array) boot ...
- 663
15
votes
2
answers
22k
views
Is a hybrid Linux USB-Stick for UEFI & legacy BIOS possible?
my idea is to create an USB-Boot-Stick with Lubuntu that is able to boot on an older BIOS Laptop and an newer UEFI Systems.
This would be quite easy, when the Stick would be setup as a legacy boot ...
- 1,905