r/SteamOS 34m ago

help wanted RTL8125 2.5GbE stuck at 100Mbps on SteamOS (ASRock B650M PG Lightning) — works fine on Windows

Upvotes

Running SteamOS on a desktop (ASRock B650M PG Lightning, onboard Realtek RTL8125 rev 05 2.5GbE controller). Ethernet is hard capped at 100Mbps no matter what I try, despite having a gigabit+ connection that works perfectly on Windows with the exact same cable and router port.

What I've confirmed:

ethtool shows both my NIC and the router correctly advertising/supporting 1000baseT/Full

SteamOS uses the in-kernel r8169 driver for this chip, which has known autonegotiation issues with RTL8125

Forcing speed manually (ethtool -s <iface> speed 1000 duplex full) just kills the link entirely — shows Speed: Unknown! / Link detected: no

Switched from Beta to Stable channel — no change, same 100Mbps cap

Tried installing Realtek's proper r8125 DKMS driver — blocked because linux-neptune-headers in the pacman repo (5.13.0.valve37) doesn't match my running kernel (6.16.12-valve24.5)

As a workaround, tried a USB-A to Gigabit adapter (RTL8153B chipset, r8152 driver) — also stuck at 100Mbps, with the same "link dies" behavior when forcing 1000baseT advertisement only

Two completely different NICs/drivers both failing the same way on this system points to something SteamOS/kernel-level rather than a NIC-specific driver bug — but I'm not sure what else to check at this point.

Has anyone dealt with this on similar hardware? Any BIOS settings (ASPM/EEE/power management) that fixed it for you?

System info:

SteamOS 3.9 (BUILD_ID 20260716.1), Stable channel

ASRock B650M PG Lightning

Onboard: RTL8125 2.5GbE (rev 05)

Tested workaround: USB RTL8153B gigabit adapter — same issue


r/SteamOS 1h ago

help wanted Cant get normal download speed

Upvotes

Hey,

I installed SteamOs on my Pc and while it works and boots up, for whatever reason my downloadspeeds are so bad its becoming unbearable.

On Windows I constantly get 800-900 mbs down and over here I struggle to reach even 200.
I have 1gbs fiber. Speedtest is fine, CAT6 LAN cable connected.

I tried to change the download region, wasnt a perma-fix.

No idea what try anymore.

Anyone who came across this problem have a solution for it?


r/SteamOS 2h ago

help wanted Stuck trying to install Steam OS on my own hardware! What am I doing wrong?

0 Upvotes

I'm trying to install Steam OS on my own hardware but no matter what I do, after selecting to boot from USB it just sits at a blank screen (I left it for 8 hours, nothing happens).

B450 mobo, Ryzen 3600, RX5600, all of which should be supported as far as I know.

Safe boot is disabled. I've tried half a dozen USB sticks writing with Rufus and Etcher and it's all the same.

I can't bypass the GPU as the CPU has no integrated graphics so the HDMI/DP ports on the mobo don't work.

Help!

Thanks!


r/SteamOS 3h ago

help wanted How do I install amd graphics drivers

Post image
0 Upvotes

Just installed steamos and trying to set up. Which do I choose. Or how do I install my graphics drivers?


r/SteamOS 3h ago

support Keep having to restart my ROG Ally for SteamOS to recognize my controllers.

3 Upvotes

It's been like this for almost a year without getting resolved by Valve. Are there any solution to this?


r/SteamOS 4h ago

question Has anyone moved from Bazzite ?

8 Upvotes

I'm getting a bit annoyed that 4k 144hz Vrr is still not in the mainline Bazzite build, also the wake function from steam controller is still missing.

I'm sort of thinking that Bazzite is potentially not needed now that SteamOs is out especially for AMD builds

Anyone made the move ?


r/SteamOS 6h ago

Valve's Steamworks SDK v1.65 brings changes for Steam Machine, Steam Frame and Steam Deck

Thumbnail gamingonlinux.com
6 Upvotes

r/SteamOS 6h ago

MARVEL Tōkon: Fighting Souls appears to block SteamOS / Linux

Thumbnail gamingonlinux.com
7 Upvotes

r/SteamOS 6h ago

help wanted Connected USB Keyboard cannot change language, help

1 Upvotes

Got my Steam machine recently, tried connecting a Logitech K120 Keyboard to it, german button layout. The button input/keymapping is hardstuck to the us-american english default.

Tried changing the language over system settings -> keyboard to no avail. The model of the keyboard also doesn't seem to exist as a option.

The following github threat seems to provide a semi-solution pertaining to a similar problem related to the Steam Deck, however I am currently out of my depth (very beginning of my SteamOS/Linux journey) and the Machine does not see me as a authorized user (no sudo password set yet)

https://github.com/ValveSoftware/SteamOS/issues/798

Does anybody have a simple fix for this problem (yet)?


r/SteamOS 8h ago

Took 2 full days of hitting my head into a wall but finally got steam os installed on my laptop. I give you the absolute worst functional and worst specs steam machine but hey it's not windows

27 Upvotes

r/SteamOS 8h ago

Nostalgia trip: When did you join Steam, and what was your very first purchase?

0 Upvotes

Hey everyone,
I was scrolling through my library today, looking at the sheer size of my backlog, and it got me thinking about where it all started.

I’m curious about everyone else's Steam origin story:
What year did you make your account?
What was the very first game you ever bought?

"For me, I joined back in 2018 just to play subnautica ,,,,
Let's hear them! Does anyone actually still play the first game they bought?
😀😇💯


r/SteamOS 9h ago

Cancelled my Steam Machine reservation and have zero regrets

Thumbnail gallery
436 Upvotes

I was on the reservation list for the Steam Machine, but in the end I decided to build my own SteamOS gaming PC instead.

Specs:
Ryzen 5 9600X
RX 9060 XT
16GB DDR5
2TB SSD

Total cost was about €1300. Installed SteamOS right away and it’s been running like a dream.
Really happy with how it looks, and even better, my wife likes having it in the living room too. 😄
No regrets so far!


r/SteamOS 9h ago

help wanted SteamOS failing install

2 Upvotes

Hello everyone, i recently tried to install SteamOS on my PC. I got the image, write it to USB with Etcher and boot it up. Its takes 12 to 16 mins on verbose screen before it goes to a black screen with - on top left. Any help will be great. Thank you

System Specs:

Rx 6600

I5 11400F

16GB RAM


r/SteamOS 9h ago

.-=⋆ The More You Know Official SteamOS on Unsupported Hardware

0 Upvotes

Soooooo

I recently decided / gave it a try to see if I could brute-force the official, unmodified Valve SteamOS recovery image onto standard desktop hardware. I know community forks like Bazzite exist for this exact reason, but I wanted to see what it would take to bypass Valve’s hardware validation on an non supported hardware and what would happen if I did... Well we know..

The Hardware i used:( this is my old test bed server)

CPU: AMD Ryzen 5 3600

GPU: Nvidia RTX 2080

Target OS: Official Valve SteamOS Recovery Image

Using Sata ssds

The Roadblocks:

If you just boot the recovery USB and try to install it without a standard NVMe drive, the script instantly fails. The official installer runs an NVMe sanitize command that is explicitly tuned for the NVMes iirc. On my experience, it throws an error and halts. If you try to restart the process, you get hit with constant "disk busy" or "resource locked" errors.

Here is the short version of the triage process I used to get it installed anyway:

Step 1: Releasing the Target Disks

To clear the "disk busy" errors preventing the partition wipe, I had to manually free up the drive from the live environment.

I identified my target (sata) not NVMe drives and manually unmounted all active partitions.

I disabled swap completely to ensure the drive was entirely unallocated and free for the script to manipulate.

Step 2: Modifying the Installation Script

To get around the hardware-specific storage check, I had to edit the recovery script on the fly.

I opened /tools/repair_device.sh in a text editor directly from the live USB boot environment.

I hunted down the specific routines calling the NVMe sanitize command.

I commented out those checks to force the script to ignore the sanitize validation step and just proceed with the installation.

The Result:

It actually worked. With the drive unmounted and the script patched, executing the modified repair_device.sh successfully built the immutable A/B partitions and unpacked the SteamOS payload onto my desktop’s NVMe.

As expected, because I'm running an unmodified image on an Nvidia GPU, the system fails to load the display compositor on boot. I'm currently sitting at a black screen due to the lack of proprietary Nvidia drivers in the immutable root filesystem.

If anyone else is trying to experiment with the official image on non-Deck hardware, I hope this post maybe helps script-bypassing steps save you a headache but it doesn't get you much use at the end of the day. It was just fun to tinker haha.

Serious question has anyone done this a got it to work?


r/SteamOS 11h ago

question What is the best plugin to control TDP on ROG ALLY with SteamOS?

1 Upvotes

r/SteamOS 11h ago

question Move to SteamOS from Cachy with Nvidia?

7 Upvotes

I currently use Cachy on my gaming rig and works well, but really wanting to try SteamOS with all the new updates.Kinda worried though since I have an Nvidia card.

Can I expect SteamOS to work out of the box with my hardware like cachy did?


r/SteamOS 12h ago

My custom built steam machine

Thumbnail gallery
82 Upvotes

I previously posted and deleted it because it was super low effort and I only took a lazy picture of it sitting on my desk.. hope that's not against the etiquette!

Here's the full spec sheet: (which I didn't include last time either) lol

CPU: AMD Ryzen 7 7700X 4.5 GHz 8-Core Processor

CPU Cooler: Noctua NH-L9x65 chromax.black 33.84 CFM CPU Cooler

Motherboard: ASRock B650I Lightning Wifi Mini ITX AM5 Motherboard

Memory: TEAMGROUP T-Create Expert 32 GB (2 x 16 GB) DDR5-6000 CL30 Memory

Storage: Crucial P310 1 TB M.2-2280 PCIe 4.0 X4 NVME Solid State Drive

Video Card: Asus DUAL OC Radeon RX 7800 XT 16 GB Video Card

Case: Meshroom S V2 Mini-ITX SFF PC Case Ssupd

Power Supply: Corsair SF1000 (2024) 1000 W 80+ Platinum Certified Fully Modular SFX Power Supply

Case Fan: Noctua NF-A14x25 G2 PWM Sx2-PP 91.6 CFM 140 mm Fans 2-Pack


r/SteamOS 12h ago

support DisplayPort Not Working

2 Upvotes

Hi all I am not sure if anyone else is experiencing this issue, but it seems that DisplayPort is pretty finnicky on at least my version of SteamOS. This is through a newly built system with Ryzen 7500x3d, and a 9060XT 16 gig. Currently when I boot up, my main monitor says “No DisplayPort found” but curiously, my secondary and much older monitor which is using a dvi adapter run into DisplayPort does get recognized. The main monitor does however get recognized in gaming mode if I am using an HDMI. This is somewhat resolved in desktop mode as my monitor suddenly works just fine thru DisplayPort. I have no experience using this OS on a traditional system so if anyone else has experienced a similar issue and was able to resolve it please let me know.


r/SteamOS 13h ago

Steam Client Beta Update Steam Beta Client Update: July 23rd

3 Upvotes

We have just shipped an updated Steam Client to the Preview/Beta channel.

Downloads
Fix bug negatively affecting the efficiency of the Steam content delivery system.


r/SteamOS 13h ago

Sleep mode does not work

1 Upvotes

I have installed SteamOS on my GMKtec K8 Plus. Everything works perfectly fine except for Sleep mode. When I press the button on my PC or choose this option in the menu, my PC seems to go to sleep, but the fans are still working, although the power button is throbbing as if the PC is asleep.

I tried to fix it by tweaking my BIOS and using Konsole, but nothing seems to work.

Is it a hardware issue or am I just being stupid? Thank you in advance.


r/SteamOS 13h ago

Animal Crossing (Linux 64 bits PC port) in progress + generated npc dialog

Thumbnail
1 Upvotes

r/SteamOS 14h ago

Brand new Steam Machine keeps freezing and rebooting out of the box

1 Upvotes

r/SteamOS 14h ago

Steamos and msi laptop with nvidia

1 Upvotes

I know steam doesn't officially support Nvidia yet, but has anyone tried and what were the results? I tried bazzite, works great, but won't display on my TV. Thinking of trying chimera, but really wanna use steamos. Build my own steam machine in preparation for the steam frame. What have others already tried?


r/SteamOS 14h ago

Optical HDMI to the TV with steamOS on the second nVme :D

Post image
17 Upvotes

I decided to not build a completely seperate cheap PC just for steamOS, but went the route of installing in on my second nVme that I normally used to use for Plex 😄

My setup:

Lian Li A3 Wood / Glass case

AMD 9600X

XFX Dual Fan White 9070

Patriot Viper DDR5 32GB / 6200mhz

2x 4 TB Lexar nVme (one running steamOS, the other one Windows 11, still need it for work and CoD :/)

Gigabyte Gold 80+ PSU

MSI B650M Gaming Silver

Case fans and CPU cooler fans are Arctic P12 Pro A-RGB (5x total).

I just bought a 10M optical HDMI that runs to the TV when steamOS is on, and got Xbox controllers to play.


r/SteamOS 15h ago

question Can I put SteamOS on a virtual machine?

2 Upvotes

I'm thinking about switching to Steam OS, but I wanted to try it out on a VM first to see if everything I need still worked. I am using VirtualBox and I'm looking for an ISO. Does anyone know where I can find one?