SteamOS 3.4 - Bring Dual Boot Back To Life!

Easily Repair & Restore Your Steam Deck Dual Boot With This Tutorial/Guide!

SteamOS 3.4 - FIX Steam Deck Dual Boot | Vital Knowledge | Easily Fix SteamOS 3.4 Update

Follow:

00:00 - Intro
01:08 - Update to Preview Branch
02:30 - Breaking Dual Boot
03:12 - Booting into Windows
03:40 - Revive SteamOS
04:37 - Bring Dual Boot Back
07:03 - Dual Boot Working
08:00 - Secret Teaser????
09:24 - Ending

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How to Quad Boot - Coming Very Soon
How to Triple Boot - Coming Very Soon

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Any Questions, please don't hesitate to comment, I will try my best to answer with my very busy schedule.

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#SteamDeck #PCGaming #Gaming

[DeckWizard]

Solution to Only Windows Booting after SteamOS 3.4 Update

If anyone is having an issue where Windows is Booting after SteamOS 3.4 Update you need to the following.

- You must Boot into the SteamOS Recovery Image USB and perform the 4 lines of the script in my original tutorial again.


(This is because Valve changed the EFI behavior of the firmware in 3.4)

It will not work without konsole in recovery usb mode.

[AdrianJReynolds]

Yes! I had a problem where after installing the latest version of SteamOS (after not having installed an update in a few months and while still running a version of refind from the technique that was around in May/June), that the system could no longer find my boot device. I could get into SteamOS via the boot manager via the steamcl.efi file @4:15. Then I got to your step on Desktop mode @5:10 and realized I didn't have that version of rEFInd at all so I pulled up your guide from 2 months ago for installing rEFInd from your github. Then boom, everything back to normal. I have to remember how to re-add my custom wallpaper, but I'm glad it was painless to resolve.

Thank you for the amazing guides. Huge lifesaver. And yes, your calming voice and style are fantastic for what is surely an anxious and fidgety audience. <3

[SanketMore]

This is the best dual-boot tutorial, out there. Subscribed.

[anderson.matos]

My steam deck arrives next Monday, I'll follow your video on how to dual boot from ssd and do this steps here, its gonna help me a lot, thanks man

[jamelowens]

Thank you @DeckWizard I was able to fix the dual boot on SteamOS 3.4.5 and windows 10 by following two of your videos (had to rebuild both sides with USB Recovery). It took 4 hours but it was worth it! Definitely subbing.

[wadebloodclaut]

I come back everytime steam fucks up my dual boot and this genius come in handy everytime! Love u dude keep up the fantastic work!!!

[bend]

Thank you so much! I've had to do this twice after the recent steam OS updates and these commands have worked both times. Hopefully once valve natively supports dual booting we won't have to deal with this problem everytime there's an update.

[DirtyHousewife]

At 5:08 the konsole cant find the steamdeck_dualboot folder. Is there alything i can do about this?

[deshawnthomas]

This was a flawless tutorial as usual!

[speedssosaa]

Steam Deck Is that Thanks a lot used your older video to dual boot my steam deck i love it updated it last night to 3.4 and it broke my bootloader after watching this video i fixed it already thanks man !Keep it coming

[nillyboble]

Man I thought all was lost, I left it alone for a while then saw this video and brought hope back. I got it loaded back into steamos switched to desktop opened Konsole but mine says No such file or directory. I do have a Red 1

[FlammeHaze]

tought the update broke my dual boot thanks bro

[tonycurry]

After another Steam Deck OS update, 3.4.4 this tutorial saved my Windows Dual Boot again. Hopefully one day we won't need to do this with every Steam Deck OS update at some point. I thought Easy UEFI would fix this, by making rEFInd as bootable but disabling Windows, however it doesn't work unless I'm doing something wrong.

[marko.zeda]

You bring back to normal my lovely steamdecky.. oh nice video..thanks

[ToastedSynapseGaming]

This actually happened to me, but interestingly enough, It couldn't see the Windows Boot. Here's the scenario (in case people are interested and encounter same problem)
- I have Win10 as WindowsToGo on an SD (I will be switching soon to internal partitioned drive)
- I wanted to lay the deck down for a bit so I pressed the power button once (Windows - Sleep)
- Pressing it back after a while loaded me in SteamOS.
- I said "Ok, Windows must have crashed, probably doesn't like sleep mode or the fact that it's on an SD which is probably weird when sleeping"
- Shut down SteamOS, Volume Down+Power, No Windows option
- Ejected and then plugged my SD back in, nothing. Afraid I fried the SD, although SteamOS desktop mode could mount and see it fine
- Tried again and nothing, until I did exactly like you did in this video, although for Windows
- Selected the last option (you can check on the right that it's not the NVME drive), looked in the EFI folder, found 1 or 2 folders inside for Windows, one of them had the Windows64bit.efi (or something like that).
- Now after it loaded once it continues to appear as normal when Volume Down + Power.

[stephanemodely]

This video was a life saver! I been holding off updating to 3.4 but decided to do it today and as a result the Efi was dropped. Followed the guide and this worked to a treat, thanks as always man.

[BillyLeigh]

Just updated the steam os to 3.4.11 and this video is needed again 👍

[DarrylUK]

Clear, concise instructions to get dual boot back up and running on 3.4. Nice! Thanks!

[alanredacted]

Helpful. I will wait and hope for official dual boot support for now.

[CyberPunkLucy]

OMG Thank you so much for this has actually the bane of my existence right now Steam Deck is part of my work life lol