Change UEFI to Legacy boot - greyed out | RST to AHCI without reinstalling Windows 10
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- Опубликовано: 2 окт 2020
- Change UEFI to Legacy boot - grayed out in BIOS, (Matrix RAID) RST to AHCI without reinstalling Windows 10. To Change UEFI to legacy mode first you need to convert RAID/IDE to AHCI, Intel Rapid Storage Technology (RST) same as Matrix RAID or RST premium, so first you need to change RST to AHCI and then you can change boot mode UEFI to Legacy. The tutorial shows you how to change from raid to AHCI without reinstalling windows 10 and then how to change UEFI boot mode to Legacy boot mode on a Lenovo laptop (Computer).
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• Change UEFI to Legacy ...
By default, Lenovo provides UEFI boot, so we need to change from UEFI to the legacy for that you have to disable secure boot then only you can change UEFI to legacy mode, after that, you can change the boot order whatever you want.
RST to AHCI - ide to AHCI windows 10 fast way to enable AHCI in BIOS without losing data or reinstalling Windows.
I’m trying to change UEFI to Legacy boot but the option is disabled, greyed out (grayed out).
So, to fix UEFI greyed out option, I’m trying to switch Intel RST Premium to AHCI but the SATA controller mode shows the warning: all existing data stored on the drivers will be erased when resetting controller mode
So, we need to change Intel RST Premium to AHCI without losing any data.
Steps in the Video:
✔1. Change SATA mode from RST to AHCI
✔2. Change UEFI to Legacy
✔1. Steps to switch AHCi, change SATA controller mode to AHCI
Click on the Windows icon and go to Settings, Click on Update & security
Go to Recovery, Under Advanced startup click Restart now
Click Troubleshoot, Go to Advanced options, Click UEFI Firmware Settings, and click Restart.
When the BIOS setup utility interface is open, go to the Configuration tab
Find and navigate to SATA controller mode, in your BIOS version it’s maybe different
you just need to find SATA mode. we trying to switch Intel RST Premium to AHCI
But SATA controller mode shows the warning:
“all existing data stored on the drivers will be erased when resetting controller mode”
we need to change Intel RST Premium to AHCI without losing any data.
So, navigate to No and hit enter, Exit the bios without saving any changes
Let’s Change SATA mode from RST to AHCI without reinstalling Windows 10 or losing any data
To change RST to AHCI without reinstalling Windows 10
We need to boot Windows in safe mode, which saves Windows drivers for the next normal mode.
So, we need to boot Windows in safe mode
Open Windows command prompt as an administrator
And enter the following command, Windows will boot in Safe Mode the next time you reboot:
↪ bcdedit /set {current} safeboot minimal ↩
Hit enter and Make sure that the operation completed successfully.
Go back to the BIOS, Go to Configuration Tab
Navigate to SATA controller mode and change Intel RST Premium to AHCI
Save changes and Exit BIOS by pressing F10.
Now Windows booted in safe mode, we don’t need it anymore
So Open the Windows command prompt as an administrator
And enter the following command, to boot Windows in normal mode:
↪ bcdedit /deletevalue {current} safeboot ↩
Hit enter and Make sure that the operation completed successfully.
Then restart your computer, Now AHCI mode has been changed successfully, without reinstalling Windows
✔2. Steps to change UEFI to Legacy
Go back to BIOS and Change UEFI to Legacy
Go to Boot Tab. Now Boot mode should be enabled, so we can easily change UEFI to Legacy.
Navigate to boot mode and change UEFI to Legacy support
then save Bios settings by pressing F10.
Done, we have successfully changed UEFI to Legacy and RST to AHCI.
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This video-tutorial attempt to answer all the below questions:
How to convert UEFI to legacy boot windows 10?
How to view BIOS on a Lenovo computer?
How to enable AHCI mode without reinstalling Windows?
How to change from RAID to AHCI without reinstalling Windows?
How to change UEFI boot order in Lenovo laptop?
How to switch AHCI in Bios?
How to Switch Between UEFI BIOS and Legacy BIOS Mode?
How to Enable Legacy Boot Mode Lenovo?
How to fix BIOS mode is greyed out?
How to Change UEFI to Legacy boot if it’s greyed out?
How to change RST to AHCI without reinstalling Windows 10?
How to boot windows 10 in safe mode?
How to change UEFI to legacy boot windows 10?
#uefitolegacy #rsttoahci #uefitobios 
Хобби
A million thanks for this awesome tutorial!
I have to see full instructions and doing thet step by steps successful. I also see your others comment section for some people’s can't understand unnecessary. But really i want to appreciate you are 100% correct for rights instructed and hoping to see more your creativity in the best for future time. I'm your best fan to started today. Lastly I'm so sorry for my fix English i hope to carefully understood you.
Thanks for watching👍👌
Saved my laptop thanks, just follow the instructions and it worked!
You saved my windows brotha gracious
Thank man you are a savior!!!
Wanted to change to AHCI so I can dual boot Ubuntu.
It worked! Thanks for the instructions.
Glad I could help
Not worked for me
Every time I do this, it shows some error occurred and restart the windows
Give me some advice please
Gracias amigo!!! Me ayudaste un monton; te ganaste un nuevo suscriptor
Thanks bro, greetings from Mexico 🇲🇽💙
Thanks for watching😉👍
Your voice is really natural. Great video, hopefully I will be the first to get new tips and tricks.
Thanks for watching 👌👍
It's worked! Thanks so much!
Thanks for watching 👍👌
Thanks a lot man❤️
THANKYOU SO MUCHH BROO
Many many thanks!
thank you so much !
when i was trying to install Ubuntu OS it says turn off the RTS, but later i see this video and visited other websites and i successfully changed the RST to AHCI with out any harm to my windows OS.
Thanks Bro, God bless you
Thanks for watching👌👍
without loss data too?
you are awesome my man
Thanks for watching
This helped me change to AHCI so I could dual boot Pop!_OS. Thanks mmk!
Data of windows will not be lost na ?
@@sushanthreddymanda That's what dual booting is.
@@marianorodriguez9257 And can we change it back to Intel na after dual booting ?
@@sushanthreddymanda Depends on what you dual boot, on Ubuntu no. On Pop!_OS I think so. I ended up just main booting Pop!_OS so I could use Intel Raid without problems.
hey did switch uefi to legacy as in the video?, because I'm also trying to dual boot ubuntu
I can't thank you enough
And can we change back to Intel after dual booting ?
0:53 or when on hp laptop or desktop on startup spam the esc key for bios or UEFI Firmware settings
No sata controller what to do???
Nice job it's working thank you.
Welcome 👍
sir lot of thanks its solved my problem 100% working👌👌👌🤘🤘✌✌
Happy to help
very nice it's working
100 good video cheers
Thaaaaaanks, I got the dual boot thanks to you! I would like to know if it is necessary to go to Legacy, as I only need the AHCI
Hi, no, it's not Legacy necessary, but UEFI is better, just google Legacy vs UEFI
Excellent
Thx bro
bro can you help me?, i installed irst and then when i restarted it i acidentally pressed bios and then when i reset it, it cant detect any usb or drives
Hello mr mmk, i have change the settinga from rst to ahci, i want to ask, it is necessary to change the boot mode to legacy mode too? Or can i keep using ahci mode with uefi boot mode?
What do You do?
Pls I have do settings in my bios option when I save it it can't save after restarting my laptop so it makes the boot device can't show pls help me
How do I change this if the statup goes to a uefi hp support?
U r amazing bro I love u😍😍😘😘😘😘 u r my life saver u r my hero😍😍😍😍 u r my true love
#nohomo😂😂😂😂
Edit 1:- Bro your tutorial helped me for second time today thank you🔥🔥🔥🔥✊✊✊✊😁😁
Thanks for watching👌👍
@@mmktut yes bro😎👌🔥🔥
What if I can't change the SATA controller?
What bios rev. Are you on
Same here currently I have the 1.16
@@gabrield7710 same
Welp you’re screwed
And you find result???
Terimakasih banyak,
Hey , i have a dell inspiron 5490 laptop ,so after changing intel RST to AHCI and dual boot ubuntu 20.04 will i be able to go back and change the SATA control to intel RST ?
Yes same Doubt ?? . can we change it . And is it working for u without losing the windows data ?
same issue here. i have a dell Inspiron 15 5000 5590 and I can't install ubuntu 20.04 due RST. And when i change SATA control to AHCI, windows 10 crashes.
@@jpduff hey, did you ever manage to fix it?
@@marilinemonteiro3336 hey! Do you speak portuguese? I simply gave up trying to find a solution...
How to display both the OS during the boot without pressing F12
I have turn off my secure boot and fast boot. I have followed your video and changed the Sata Mode to AHCI. I have make sure that everything are changed/updated. But I still can't change my boot type from UEFI to Legacy, can you help me?
Did you get helped?
зачем так заморачиваться с командной строкой, когда можно зайти через msonfig и установить там загрузку в безопасном режиме? а потом снова переключиться в нормальную загрузку, не понимаю...
Why it see "USB Boot"? You have put usb ?
Hello there i need your help, I had to install win10 via bootable pendrive but I couldn't do so and I found the solution was to change from RST to AHIC, when I changed I was able to install windows successfully but my pc lagged a lot and my disk 0 was 100% consumed all the time. Then I tried to change from AHIC TO RST but my laptop crashed. Can you tell me anyway of installing windows 10 but keeping RST mode and not AHIC.
Please help!
Hi, I think your hard drive is damaged.
so, first of all, try to fix it:
Go to "C" driver (Windows installed drive) ↪ Properties ↪ select "Tools" tab ↪ and Check. if you Windows find Errors let me know the error.
also, you can open cmd as admin and type:
chkdsk C: /f /r /x
this command finds and fix your errors on your drive
Then Go to "C" driver (Windows installed drive) ↪ Properties ↪ select the "General" tab and Clean up system files if you find (Previous windows installations) mark it as well it may take a lot of space.
If it no helps please let me know, and we try to install Win on RST you can find my Facebook contact in the video description
Is it possible to do the opposite?
Change from AHCP to RST?
yes, all you have to do is get into safe mode and switch basically this video in reverse.
Hey I only want to chane rst to ahci to install Ubuntu as dual boot, so do I need to change uefi to legacy after changing to ahci mode?
Heyy even I have the same doubt. Please let me know if you have figured out how to get it done
You said that you won't have to reinstall windows. But do you lose all your saved files in both cases? I don't want to lose anything.
Hi make sure you follow the steps and u do not lost any of files
I cant switch from UEFI to Legacy as the option is not there, any help?
Same issue here... 😢
@@milospetrovic5986 i ended up having ti get a new laptop 😭
Im using acer swift 3x and i cannot find SATA
My BIOS does not have the option to change SATA controller.Is there any other way?
+
@@firstnamelastname3464 what u mean?
@@vvdpabhishek3464 Не важно друг, хотел установит Linux в конце установил не 20 версию а 16. А на верху просто согласился с комментарием. sorry, lazy translate to English.
@@firstnamelastname3464 you can try pop os or Fedora 34 beta. I was surprised suddenly installation detected my HDD. Download latest pop os or Fedora 34 and make sure to choose UEFI and GPT while making live usb from Rufus. Wish you good luck ☺️. Because recently released laptop/pc won't support linux initially. It will take some time for driver support. Still ubuntu,mint mint do not detect HDD, of my laptop ,in my case I have installed pop os and it's working fine.
@@raghavendra6978 okay, thanks you :)
I one made a wrong step and that destroyed my pc. Have to reinstall Windows 10 because i cant installere ubuntu without dissbling rst
There's no "Sata Controller Mode" for me
Hey have you got it now?Actually my BIOS too doesn't have that option
@@raghavendra6978 +
What to do then I too don't have that
I dont have configurations tab and my whole UEFI menu is different
+
hey, my boot mode is not gray out, its have option legacy and UEFI. but it will lose all my data if I change my sata mode to AHCI from RST? Please respond thanks
Exactly what you want to change to AHCI without data losing just watch full tut pl
@@mmktut It works thanks!
@@rizkyjelang4737 Thanks for watching 😉👌
If you can't see the data controller option press Ctrl+s
When I do legecy settings and save it it can't save after restarting my hp laptop pls help me so it makes de boot device can't be boot
1️⃣Find the "Setup Defaults" option and load the default configuration try to save then.
3️⃣Try to access BIOS fro hotkey and then try to save changes, Use step N4 from this tutorial:
ruclips.net/video/_gs4_c1ZTJ8/видео.html
2️⃣You can try to update your BIOS
Please let me know if you find my reply helpful:)
I changed the Onboard SATA Mode to AHCI and the Boot option is still not available. I have Windows 10 Home Edition
what you try to do? Do you mean Legacy mode is still grayed out? if yes try to set the admin password as shown in the tutorial:
ruclips.net/video/GfCYzG67Z8A/видео.html
try to set administrator or supervisor password in BIOS
my computer was set to AHCI by default with no other options and legacy boot is still grayed out. I have secure boot & TPM disabled and modern standby is not supported. I use an acer aspire 3
did u fix it? I got the same problem
@1234party your computer may not have been built with support for legacy booting. I think it's stupid that modern computers are being built without the choice to legacy boot but that's just the way it is. I've heard rumors that you can mod your computer to support legacy boot but I've never done physical tech modding like that before so I'm not your guy for that unfortunately. if you're trying to run a pre-windows10 OS like I was (in my case, I was trying to run windows 7) then your best option is to use a virtual machine.
It didn’t work because the boot confit data store could not be opened
but i see on your bios that uefi first boot, so i think your pc has boot uefi and not legacy
I don't have the SATA mode, heck, I don't even have the configuration tab
bro i have no configuration tab what to do??
did u fix it? I have the same problem
Wow, i had my doubt, but this worked for me changing from Intel Octane RST to AHCI.. now i can see my nvm.. Thanks.
I did all of this but it boot mode still grayed out :(
Hi, there maybe a couple of reasons, first, you may didn't save changes, so please try all steps again and make sure you save changes by f10. is your laptop Lenovo? and also please let me know your BIOS version if the BIOS version is the same as in the tutorial, then you missed up something so try again step by step.
If your next try does not work, then you can also try to disable secure boot, if it is grayed out too, this tutorial helps you to fix it:
ruclips.net/video/GfCYzG67Z8A/видео.html
Thanks for watching and please let me know if you find my reply helpful
I changed the sata Controller to AHCI and also disabled the secure boot but still the boot mode cant be changed
This is my pc name ACER Predator Orion 3000 (PO3-620)
It had pre installed windows 10 i just wanted to install other old windows on my pc too
The bios setuo unility version is 2.21.1277
@@kurdishandroid8202 Hi, did you try to set supervisor password?
I dont see uefi