Hafas_. Grub customizer will let you know what line needs fixing when you go back to try it again. You can install holoiso on the whole drive then after install use GParted or something to resize the holoiso's partion and then use the left over space that you make. Thank you for your answer (and sorry for responding so late). Ventoy is an open source tool to create bootable USB drive for ISO/WIM/IMG/VHD (x)/EFI files. Reply UnsignedFoo. The answer is still good and should fix the problem. 1：开启虚拟内存（适合内存小的机器或者你玩的游戏需要大量内存）. It may be that your hardware doesn't like it for whatever reason. doc_willis. Is this official? No, but it may as well be 99% of the way there. How To Dual Boot Steam Deck | SteamOS & WindowsHow To Triple/Quad Boot Steam Deck - ALLY Gameplay - If you want to dual boot, you’ll have to install holoiso first then do some magic to resize the holoiso partition and install the secondary one. The build seems correct, inspecting the iso afterwards shows 2 boot images (1 BIOS, 2 UEFI), yet booting to the ISO from qemu using the OVMF firmware fails to find any bootable media. I put in steam username and password and nothing happened it just looped around and around. 0_OfflineInstaller-20221211_1636-x86_64. It's still too early for running steam OS on the Ally, developers haven't had enough time to patch the bugs. The VM's host restarted, but the VM did not boot and is stuck on the black screen. We also tried rebooting the host and the VM, but the problem persisted. Choose MBR in the Partition scheme section, then click Start. No, but it may as well be 99% of the way there. I have no idea how to fix this. 83. 1 on my laptop next to windows 11(secure boot disable). For this you just need to set your user's password in Start Menu -> System Settings -> Personalization -> Users -> Change Password. . In Windows, hold Shift and click on Restart > Troubleshoot > Advanced options. Unzip the SteamOS. When I go into bios to try and boot from it, it always boots windows 10 instead. If you are running recentish AMD hardware then the unofficial release is called HoloISO. iso Ventoy: 1. Choose HoloISO_4. Black screen occurs when trying to enter desktop mode. - Split "firstboot-config" from using desktop orientation in order to make sure rotation always works. Managed to boot it just fine in a VM, but on real HW it freezes as well. Practical_Screen2 • 8 mo. I fiddled around with the resulting system a bit and managed to install Gnome on it, BUT there was a pipewire/glibc version issue. I would create a partition and then install Holo ISO on that partition. sh from above mentioned project to reflect how I called the fat32 partition on my usb stick: "HOLOISO" and put it into /path/to/HOLOISO/EFI/BOOT/ used grub-install --removable to install grub with a 32bit efi target to the usb, also grub-mkstandaloneUpon first boot, boot into recovery image and run "holoiso-disable-sessions" to disable sessions. 89. lavilao • 1 yr. Choose your GPU type while installing HoloISO. 3. Jan 4 @ 10:56am The current version of SteamOS isn't available outside of the Steam Deck currently. The current state of things. Continues to boot SteamOS, and ends up at a blank black screen. Use the arrow keys to move to the Boot tab and position the cursor on the Network. Try the first one and go to EFI > steamos > steamcl. What makes SteamOS so good on the Steam Deck is that it has an interface which is optimized for gamepad and touch screen. (HoloISO flatpack update thingys) ignore it. Might be worth posting your issue and specs over on the Holoiso github and see what they say. Ok, I'm able to get into a boot screen where I can select plasma in the top right. The system has Windows 11 on it now - everything works ok. From some videos I watched seems like we can squeeze a few. Trying to boot the iso but it doesnt work. thatgeekboi. Not able to boot into SteamOS after install (Dual-Boot) Asus Prime b350+ ,Amd Ryzen 5 1600x, Rx580 8Gb 24Gb RAM (2 x 8Gb 2133 and one 8Gb 2666) hello everyone, i installed the iso with Rufus DD, which worked fine. 1237-1 Changes: - Fix a little mishap on Anbernic Win600s where update could lock up system due to interactive pacman request stuff Anbernic WIn600 gamepad drivers version 1. Use a USB 2. Fix a bug when booting RHEL/CentOS/Fedora with LVM device in the computer. Once in the BIOS, press the right arrow key until you reach the last. There are a few caveats for anyone wanting to try it out: the ISO only boots if written to a flash drive with one of four apps ( BalenaEtcher, RosaImageWriter, Fedora. 2 drive. HoloISO. Budget SteamOS / HoloISO PC Build. 8. This is just a hobby project, so nothing of dire importance. After installation and logging into my steam account, I proceeded to update the OS, and restart the computer. You signed out in another tab or window. 0 is now available for download! This release brings cleanup tools for orphaned data, file hash searching for the scraper, the ability to change systems sorting from the GUI and much more. iso Ventoy: 1. Type "exit". Tried both the regular neptune and extra compatibility versions. If you want to try Chrome OS via full disk install, then view For BIOS/MBR Devices. choose with entry to boot in, choose the resolution and, how long to wait before booting, you can also choose 0 for automatic booting the default boot-entry. I pick dual boot. The obvious caveat with this method is that you will need two separate microSD’s (one for your typical SteamOS games and a. Ventoy is an open source tool to create bootable USB drive for ISO files. This is HoloISO it's based on St. Ok I guess it depends on the hardware, I got no problems at all actually with 4. Boot loader. It ends in black screen. I installed the latest offline, stable version of HoloISO before 4. Because it's not running AB partition layout, which is manageable by "rauc" daemon, nothing gets erased, instead of updating thru snapshots like on actual Steam Deck, you'll need to do it in a classic Arch Linux way: pacman -SyyuMore than likely, you’ll have to do what I did and set a command to boot into desktop mode always. sudo update-grub. Smesh F7 key until you get the Boot menu. This is a Bluetooth 5. Save the edited grub. There's currently a glitch for the 4. Well, as is the traditional case with open. 3. SteamOS 3 hasn't been released officially (yet) in a way that works on most generic hardware - only the recovery image specific to the Steam Deck. Warning. 43. I'm guessing the Live environment works because its running on a software framebuffer which the main OS itself doesn't support/use (would be useless for gaming). Also an official solution is inevitably gonna generate support tickets when some Windows update borks the bootloader, whereas with a community solution, Valve can just say "well dual-boot is currently unsupported, here's a link to the SteamOS recovery image". Everything worked well, but I realized there`s a much, much bigger benefit in terms of game resolution, and would like to set the system to load Linux Arch by default. Another I covered is HoloISO, which tries to stick quite closely to SteamOS 3 but winesapOS aims to be a bit more than that. Might be worth posting your issue and specs over on the Holoiso github and see what they say. I'm not sure if it'll let you dual boot though. Reply. Hello everybody. Notifications Fork 246; Star 4. You switched accounts on another tab or window. I don't have secure boot enabled on my BIOS and I try Dual Boot and won't work HoloISO is still a kinda beta project, maybe try a more established distro to see if it works first. SteamOS for the Steam. We attempted to mount it as a drive on the host, but it failed. adobe sells some 3d software for linux via steam. Now I have a true 4k 120fps "console"Issues with HoloISO 4. If this is 4gb of RAM, it should be fine, but it may be slow. Other than that, it’s currently my main computer for gaming and work (currently running Windows 10 because of work). Credit: theVakhovskeIsTaken Other Linux Distributions . The usual Valve "later", but they have promised it's coming. You can UEFI64-boot directly from the ISO using Easy2Boot/agFM or grubfm. There are three alternatives to HoloISO for Linux, Proton, Steam and Wine. ago. 5. Soon a Konsole terminal will pop. ISO file: HoloISO_4. Print error: hub 4-0:1. Current Os I am running is windows 11. It is similar but different, give Chimera a try I know some of the guys will have a device to test. MoBo: AsRock B550M Pro4. Good. HoloISO / holoiso Public. whysheep · 50 minutes ago Posted in Linux, macOS and Everything Not-Windows. Valves investment in Linux and the popularity of the Steam Deck has been one of the best things for the entire Linux ecosystem as a whole as of recent. Depending on your system configuration, which bootloader is used by Proxmox, two configurations are applicable: one for GRUB and the other for systemd-boot. lbs · 55 minutes ago Posted in Displays. Something like Fedora for everyday use and a separate SteamOS install dedicated to gaming. gz) is the same as the one given on the download page. I don’t think OSes are expected to integrate it for a few more months. After reading around this subreddit I have tried setting my session to plasma-x11 which will work but that's about it. use Defraggler - right-click on file in Windows - defragment) Copy grubfm_multiarch. Method 2; 5. I have tested the above ISO file on my laptop and it boot OK in both Legacy BIOS mode and UEFI mode. How did you get it to boot? I can't boot the holoISO with VMware, even using Boot Menu. Click on "Install SteamOS on this device". Can I run HoloISO entirely from an USB Flash Drive without installing it? I recently bought a laptop as a secondary PC and I don't want to uninstall the retail OS neither dual-boot it. A separate. Users with Secure Boot enabled must enroll our signing key. The Steam Deck display is stuck in portrait mode. GPU: Gigabyte 6900XT Gaming OC. The usual Valve "later", but they have promised it's coming. I normally use both. The reason for this is a deprecated udev service is still used in HoloISO/SteamOS for some reason. This machine has the UHD onboard/integrated graphics. Install worked fine, it seemed even though booting (safe boot is disabled in VCS bios) is slow almost certainly due to using a. menuentry "Kubuntu" { insmod part_gpt insmod fat set root='hd0,gpt2' linux /boot/vmlinuz-5. Firstly, when it comes to the long-delayed official. I hope this has been helpful. Holoiso snapshot version is the version of the OS. The little melody that plays when booted into gamemode will play in the background when this happens but no matter how long I wait it will never get. Mileage will very much vary. Boot your machine and tell the BIOS to boot off the stick. How To Dual Boot Steam Deck | SteamOS & WindowsHow To Triple/Quad Boot Steam Deck - ALLY Gameplay - don't think HoloISO supports installation to a single partition yet, I believe it must be installed to a whole drive (obviously formatting the whole thing). It SHOULD open Steam, but not put you into gamemode. 1 its the most stable holoiso for me so far. SteamOS 3. Write better code with AI. Same thing on a T460, odd thing is runing form USB the Desktop works. Mileage will very much vary. The ROG Ally has launched & in this video we're taking a brief look at the potential of Dual Boot, HoloISO & ChimeraOS Linux running on the ALLY!Buy ROG Ally. You can hold the steam/menu button to see a list of all the shortcuts. Don't recall what distro/kernel version they were using. and you should just be able to enter your username and password. You'll need to make it utilize "RADV"/"AMDGPU" driver. 1 iso where the update screen bootloops, and gamescope fails to run due to OS not setting the correct environment variables. 1 on my laptop next to windows 11(secure boot disable). 1 its the most stable holoiso for me so far. It's through the terminal. You can UEFI64-boot directly from the ISO using Easy2Boot/agFM or grubfm. HoloISO installer cannot boot from USB device. 5 may be. Suspend-resume works, all buttons (except the back buttons) work, TDP control works w/ a decky plugin, etc. It's good enough for the very specific hardware configuration of the Steam Deck, but they're still working on more general support for a wider range of hardware configs. Follow the installation process instructions. I know the GPD devices report the screen sideways because the hardware, but I don't know what to do, or even if an older version. You signed out in another tab or window. I’ll have to give another district a shot. 12. You signed out in another tab or window. Installed WinBTRFS. So it is more likely that either a HoloISO updated based on SteamOS 3. Reboot after the installation. I'd personally say to just dual boot windows for gaming, and use a Linux distro for everything else. r/ManjaroLinux • Problem with dual-boot. Join. Might be worth posting your issue and specs over on the Holoiso github and see what they say. If you want to allow 1 second to press Shift (some computers leave you very little time between the keyboard initialization and the OS boot), make this. If I try the exact same boot in qemu but using a clean downloaded ubuntu 16. I always use a second dedicated drive just for HoloISO. This CPU came out just after Trinity in the Bulldozer days. Also dual booting did work with windows 7 so doesn't it contradict your first line that "The windows installer doesn't care about other OS in the system. Common Questions ; Is this official? . Secure boot is disabled comment sorted by Best Top New Controversial Q&A Add a Comment Past-Strike-3450 • Additional comment actions. About a month ago I had talked about a portable Linux distro that gives a SteamOS 3-like experience: winesapOS. 6K views 20:21. Hold volume + then press the power button. ROG ALLY SteamOS | Dual Boot, HoloISO, ChimeraOS. Of course, you could always use Ubuntu or Pop OS (recommended for Nvidia. Edit: BEFORE I messed it up i was using grub-customizer but it came up with errors so i went and edited the file directly, # out lines 12-27 and 29, added GRUB_DEFAULT= (whatever advanced > holoiso pointed to). This approach requires you to partition your Steam Deck, dividing the SSD between Linux and Windows. 6GHz, 4M cache)HoloISO is a project that allows us to install Valves SteamOS on just about any system, including the AMR5 MiniPC from our sponsor ACEMAGICIAN! Check it out:. However at every boot, the system will boot into the first entry in grub, which is "SteamOS" and defaults to linux-neptune. 1. Step 1: Right-click on the Windows icon and tap Disk Management. Boot into ISO. . Hi, I have 2021 Zephyrus g14 and I want a dual boot steam OS on my Zephyrus. Well except for the kernel issue but it has been like that since kernel 6 got released, it just will not boot for me, and even the old kernel stops booting if I install it. My motherboard has built in bluetooth and the controller itself is being detected by the device but when I go to connect the controller keeps flashing and never seems to fully establish the connection. HoloISO / holoiso Public. 1. To achieve its goal, HoloISO has had to dodge quite a few problems. If I boot into recovery and type in steamos-session-select plasma-persistent in the terminal, it boots to desktop mode fine, but will either stay on desktop mode when I use the game mode icon, or when I use the konsole to go to game mode it will. Notifications Fork 246; Star 4. Click here to join HoloISO Telegram update channel; . 0. Set the CPU to 4 Cores and Ram to 4GB if it doesn't work Try switching to Android 11(Beta) or Android Version 7In addition to a stable Debian base, SteamOS features various third-party drivers and updated graphics stack, a newer Linux kernel with long-term support, and a custom graphics compositor designed to provide a seamless transition between Steam, its games and the SteamOS system overlay. ETA PRIME 1. None of which works on HoloISO due to it only being designed for the Steam Deck's Custom APU. Type holoiso-disable-sessions in, and boot to Plasma (X11). partition 1 is EFI boot; partition 2 is root (btrfs) partition 3 is home (ext4)Given the sd845 can run skyrim on windows without issue, box86/64 has higher performance than the windows x86 to arm emulator, and the presumably lower overhead of arch/steamOS, I think steamOS or steamOS-like version of Arch might just run OK. 0 ISO file). Spotted Genshin Impact as one of the games Valve is prompting on the Steam Deck at TGS. Latest SteamOS update nukes itself on dual boot. Based on Arch Linux, but automated so the frzr happens takes care of the drivers, software packages, etc. #817 opened on Sep 3 by PrateekDas97. Hello, I'm trying to install holoiso on on my pc on a 1tb M. Booting into recovery mode does the same thing. This machine has the UHD onboard/integrated graphics. loading. I explain how I built 🪛 my Steam Console 🎮🐧 in the small Fractal Design Node 202 case using a Ryzen 4750G APU and Radeon RX 5700XT GPU, plus the considera. วิธีติดตั้ง 2 ระบบ Steam OS และ Windows 10 ในเครื่อง Steam Deck (Dual Boot) แบบง่ายๆ1. You’ll have to use grub for booting. 0 em qualquer PC portátil. Hello, I'm trying to install holoiso on on my pc on a 1tb M. Release version 39 comes with Linux kernel 6. If you press F2, you see a setup page. Command line install (Gamepad support TODO) Systemd-boot used instead of GRUB. ISO file: HoloISO_4. 03. Instead I prefer to create a Windows To Go, on a USB stick or on a SD card. The RX570 should work. Valve are talking about an official install option (including dual boot) later. dual-boot or custom partition sizes - select the "Expert" or "Power User" options - thse are documented on the Wiki. It told me it was going to drop me into steam and had the boot logo and startup sound, but then it froze. Enter the password ublue-os if prompted. Here's all that's new: Switched to the systemd-boot bootloader for new. SteamOS works VERY well and so far Deep Rock Galactic gets great framerates in game with medium settings. 04 server iso, it boots without a problem. For instance, I am about to re-install Win10. 2 drive. Thanks for the advice! As for the disk not showing up, that might be because HoloISO requires EFI BIOS so that might be the issue. Iirc if you install HoloISO, which is the unofficial steamOS distro, everything is unlocked and it has access to package management and the like from the get go. HoloISO version snapshot20230823. Installation. I got this build purely for SteamOS 3. Please read the full post on GitHub, and please update me on the 6. Trest it out there first. 74 release ; Show the directory path in the return menu for TreeView mode and Browser mode. For this you just need to set your user's password in Start Menu -> System Settings -> Personalization -> Users -> Change Password. Enter drive node, starting from, for example, sda or nvme0n1 when asked. 0 - authors have a dual-boot test there - if the package is launched in the UEFI BIOS is available all (, including the full width of the memory bus, and RAM is checked in SMP mode, as if through the old MBR BIOS - you will get a 32-bit test version 4. When the screen goes black, the system tried to start GameScope mode, use Ctrl+Alt+F4 or Ctrl+Alt+F5 to drop down to non-graphical tty terminal, if this doesn't. This project attempts to bring the Steam Deck's SteamOS Holo into a generic, installable format, and provide a close-to-official SteamOS experience. launch Grub Customizer and make the changes by moving the steamos-holoiso to. This udev service forces your machine to wait 2-3 minutes to make sure all hardware is fully loaded up which isn't necessary. Gamescope doesn’t like Intel iGPUs. 1 installer and after I get Steam OS installed the Game mode UI is upside down, and then on top of that connecting it to an external monitor and trying to finish the OOBE Steam force shuts down after selecting internet and trying to update, and it constantly boot loops, gets right back. Well except for the kernel issue but it has been like that since kernel 6 got released, it just will not boot for me, and even the old kernel stops booting if I install it. I'm currently dual booting however I'm using individual SSDs for both Linux and Windows. Hello,. The 2nd is a 2. But I would recommend method. 2 NVME that has Windows 11 and Ubuntu 22. EmulationStation Desktop Edition (ES-DE) v2. • 5 mo. run it will fail if you don't install the Linux kernel headers I don't remember right this moment how to do that on holo but after there installed your should be able to just install the drivers and reboot. The other 50% of the time it will get stuck the "Validating Installation Screen" forever. The answer is still good and should fix the problem. Use the F2 key to change the permanent boot order in the BIOS. 0) using a second USB drive on the console itself. r/SteamOS. but i had linux on the other drive, and was using rEFInd to dual boot. THIS IS REALLY HARD TO DO AND MIGHT BREAK HOLOISO OR YOUR PC’S FIRMWARE View community ranking In the Top 20% of largest communities on Reddit Dual Boot Hurdle. Big thanks! I met with this phenomenon in the PassMark MemTest86+ 6. SteamOS functions well on a toaster. Closed. Unzip the SteamOS. Windows breaks grub all the time its a really common issue and one ive had to deal with myself. Proceed and enter your WiFi details and the download will commence. HoloISO has a solution, as reported by Gaming on Linux . • 1 yr. HoloISO has a solution, as reported by Gaming on Linux . To boot into the USB, you'll need to access the BIOS of the Aya Neo. Then run the installer After install don't reboot Locate etc/pacman. Joshi. If it fails, boot back into the Recovery USB and do these steps. Maybe give it a try. with startup-manager you can. Designed very much to be just like SteamOS, except with a bunch of added extras, it boots directly into Steam Big Picture Mode. 5. So there must be something wrong when you tested it. Here's all that's new: Switched to the systemd-boot bootloader for new. The other 50% of the time it will get stuck the "Validating Installation Screen" forever. 20220817. Hello, first of all I'm new to the Proxmox world and I already know dual boot is possible. The developer also mentioned that if you're on a BIOS/legacy boot, to do a fresh install for the new bootloader. iso I downloaded here:. Valve ’s failure to release a version of SteamOS 3 to the general public looks like a major oversight, especially as an earlier version. What makes SteamOS so good on the Steam Deck is that it has an interface which is optimized for gamepad and touch screen. The VM settings are set to Generation 2. Reload to refresh your session. This video shows you how to install Steam OS on windows Computer. Generate initial ramdisk environment with mkinitcpio. After selecting the "Install holoiso" option. It is responsible for loading the kernel with the wanted kernel parameters and any external initramfs images. Not wanting to nuke the SSD would it be a viable option to dual boot and use an SD card to run HoloISO? Anyone done this? Thoughts? Thanks! Alex 7 Sort by: can you dual boot holo iso with windows? if so is there a tutorial? Should be roughly the same process as this but obviously use the holoiso image instead of the one from steam. 20 with partial. You switched accounts on another tab or window. Search in the start menu for the word "Disk" and open up "KDE partition manager" In here the 2nd or 3rd or whatever extra drive you have is shown in the left hand side little window. Yep, my TP-link UB500 bluetooth usb adapter does not see any signals while running HoloISO. Probably should be able to partition the 512GB onboard to 2x 256 and do it that way. 16) with linux-holoiso (5. EDIT: so after looking at his . • 8 mo. doc_willis •. SteamOS 3 (Holo) archiso configuration. Find and fix vulnerabilities. Dual Boot Steam OS and windows. iso I downloaded here:. Boot-Repair when it is run from a live USB will create a EFI System Partition on UEFI computers if there isn't one, and also add the existing Windows OS to the grub boot menu. 3. Thoughts on Dual Booting HoloISO on SD DISCUSSION Hi all! Have an Air (non pro) coming early this week. Find whether your PC supports UEFI or MBR/BIOS. Storage: 1TB Samsung 980 NVME. it wont go away. My laptop : CPU: i7 1165g7 That location is accessible, the png can be replaced in steamOS without any extra tools. The first big difference between HoloISO and Steam OS are the updates. Every time I go through the installer it asked erase the drive or dual boot. Currently this game is not on Steam and you cannot play it on SteamOS without disabling AC and risking an account ban. HoloISO is a SteamOS 3 (Holo) archiso configuration. . Wait while the SteamOS installer initializes. Update languages. efi by modifying the build. efi. System is set UEFI mode with usb as first boot loader. 0 kernel issue, as I haven't actually heard of this one. When in Desktop Mode, I can setup the monitors to use Mon 2 (the middle one) as primary monitor. So there must be something wrong when you tested it. 1454 Changes: - Use @ChimeraOS fork of Gamescope and force internal panel type as "External", which will allow switching resolutions and refresh rates, display scaling from Deck menu - Fix some stuff related to device quirk setup - Fix handygccs missing - Fix steamos-systemreport missing - Fix DS4/DS5 Touchpad ravaging whole gamepad for no reason (credits to. XX-linux. What tools did you use to write the ISO to usb/bootable device? It might be set to Legacy or UEFI depending on how you imaged it. Basically HoloISO+. Use saved searches to filter your results more quickly. Boot into ISO. 0_OfflineInstaller-20221211_1636-x86_64. For more sophisticated booting - e. 1 Format the USB drive with FAT32; Format your USB drive in FAT32 type by system command or third-part tools. SteamOS 3 (Holo) archiso configuration. You signed in with another tab or window. I think it defaults to UEFI mode, and you should look into your boot options to see what's available for the bootable device. 0 has it's issues, and 4. ChimeraOS and HoloISO are two projects that are trying to get steam os on devices. Can someone tell me if this is possible? Vote. iso from the GitHub and performed a full install (steam deck experience) on my GPD WIN 2. #install #Steamos. I don't believe 5. After installation and logging into my steam account, I proceeded to update the OS, and restart the computer. As for the degraded GPU performance after sleep. Steam > Power > Switch to Desktop. This week I was able to finally boot gamescope in the win 3, but no mather what I try, the display in gamescope and KDE is tilted to the side. or if you prefer to see the menu for 1 second: GRUB_HIDDEN_TIMEOUT= GRUB_TIMEOUT=1. Guess that's a dealbreaker for dual boot Reply rennon_ftv •. Select boot from file. And if you really need a mutable workstation OS or something for certain things, dual booting is an option. After installing Holoiso I originally got stuck on the [FAILED] Failed to start Jupiter BIOS Update Service but after looking for a solution to that (running holoiso-disable-sessions) I was able to get to the point in the image attached. The current state of things would be HoloISO, haven't tried it myself but it's GitHub page is a fine read to begin with. Made my bootable thumb drive through Etcher. 1454 Changes: - Use @ChimeraOS fork of Gamescope and force internal panel type as "External", which will allow switching resolutions and refresh rates, display scaling from Deck menu - Fix some stuff related to device quirk setup - Fix handygccs missing - Fix steamos-systemreport missing - Fix. After the Debian installation, you can go ahead and install the Proxmox packages on Debian and use the Debian for Proxmox. 2 because you are on the steam deck stable channel in settings. 8k. iso of=/dev/sd (your flash drive) bs=4M status=progress oflag=sync. 4. So it is more likely that either a HoloISO updated based on SteamOS 3. I've been using "Other OS" and "Custom".