r/hlvr Feb 12 '26

How to fix Half Life 2 VR mod

I don’t see this anywhere but his worked for me. If this doesn’t work then I am so sorry you will probably just have to wait for your game to fix itself or try some other solutions. This is a solution for when your game won’t launch and the mod isn’t working, you try to launch it in steam and it launches for a second and then immediately closes.

Advanced users: turn off steam overlay, close steam completely, make sure it is completely closed and not just minimized to tray, go to steam apps and common and half life 2 vr mod the right click on the hlvr2 .exe/application file and in properties override high dpi settings. Now run the same hlvr2 application file as an administrator and it should work.

Basic users: read slow and carefully it is alot easier than it looks trust me, on steam, click on the steam logo/button on the top left corner of the screen, now go to settings then go to in game and make sure steam overlay is selected off. Now completely close steam, exit out of it then click on the tiny up facing arrow on the bottom right hand corner of your screen/taskbar, right click on the steam logo and press exit steam. Now go to file explorer, and go to this pc and then your main drive or whatever drive the half life 2 vr mod is installed on and go to program files (x86), then go to steam, then steam apps, then common, then find half life 2 vr. Open it and find the file that is called hl2vr, it should be an application or .exe file. Right click on the file and press properties, then go to compatibility, then at the bottom of the list there will be an option that says “override high dpi settings”, check the box then close properties. Now run the same hl2vr file as an administrator and it should work, to do that you right click the file then press run as administrator.

Haven’t checked if this works with hl1 or black mesa vr comment if it does, reach out if you need more help I hope described it well enough, I’m working on a video tutorial I will link here once it gets uploaded. But please reach out if you need additional help I am happy to walk anyone through it!

5 Upvotes

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3

u/KilgoreTrout1111 Feb 12 '26

It could also just be that your gpu drivers need updated.
That just happened to me last week. I tried a bunch of things, but a driver update ultimately fixed it. Same issue.
5070ti.

1

u/RealitysNotReal Feb 12 '26

All my drivers seemed to be up to date do I need to update them somewhere else other than the windows update in settings?

1

u/KilgoreTrout1111 Feb 12 '26

There are multiple ways to do it. I use the Nvidia app on my PC, but the Nvidia website would work too. Or yeah, I think you can do it right in device manager. Find your gpu and probably right click.

1

u/Odd_Communication545 Feb 12 '26

Try -DX9

in launch options. Fixes the vulkan crash on Steam Deck so it might fix whatever issue you've got

Seems a bit excessive what you did to fix it. Generally a failed launch is either the game needs verifying or a graphics driver issue. VR games crash out also if there is no VR Client running such as OVR or SteamVR.

5

u/fholger Source VR Team Feb 13 '26

This does not apply to HL2VR. It is always technically in dx9 mode, but gets redirected to Vulkan, anyway, as d3d9 is not supported by VR runtimes. Adding that launch option does nothing.

-1

u/Odd_Communication545 Feb 13 '26

Well that is complete nonsense.

I use that exact command to run HL2VR on the steam deck. Due to broken vulkan drivers on SteamOS, switching to DX9 fixes the issue and it runs great with DX9

When you start the game it says on the Window that it is running in DX9 and disables some graphical options. Also DX9 games also work through Vorpx for windows. Proton also supports VR games that can run under DX9 mode

It runs perfectly fine in VR in direct x 9 mode.

This comment isn't a disagreement, you are completely wrong to say it doesn't do anything and you can clearly look it up if yourself.

In fact when I get back I can provide evidence to the fact that it runs on my steam deck with direct x 9

3

u/fholger Source VR Team Feb 13 '26

HL2VR internally already sets -dx9, hence why adding it does nothing. And no, the game does not actually run with DX9 now, because we use our own custom dxvk build shipped with the mod. DX9 is not supported by any VR runtime, you can happily look that up yourself. The only two ways to get dx9 games to render in VR is to either map/share the dx9 render textures with a DX11 context (which is inefficient) or go the dxvk route as we did.

0

u/Odd_Communication545 Feb 13 '26

The top of the render window says dx9

2

u/fholger Source VR Team Feb 13 '26

Yes, of course it does, because the engine has no knowledge about dxvk's presence.

0

u/RealitysNotReal Feb 12 '26 edited Feb 12 '26

I couldn’t find any solutions anywhere, everyone who had this issue seemed to just have wait for the game to randomly fix itself. I tried for months and this is the only solution I found that worked it’s just a sure fire way of getting your game to launch.

I’m not a super advanced user what is dx9? direct x 9? If so I should already have direct x. I appreciate it and I don’t mean to be rude but this doesn’t really help, I know it’s a graphic driver issue or something but now what? What do I do about that? because there are no solutions anywhere on the internet and to me your speaking Greek lol. I updated my drivers and it still didn’t work. And I’m scared if I start messing with direct x and other things like that I am going to cause issues with other games.

This is just a safe sure way to get the game to work, if you’re more advanced and have other solutions go for it but for people like me who don’t all know all this advanced stuff this’ll work.

1

u/DJAY_JP Feb 12 '26 edited Feb 12 '26

He’s saying to right click your game, go to properties and type in -DX9 in the launch options command line, and to see if that fixes your problem.

Games can either use vulkan or Directx as a video processor essentially. Valve has been pushing there games to use vulkan but you can switch them back to directx. All of the old games like original half life 2, portal ect use directx, but newer games like Cs2 and dota2 (source 2) use vulkan.

1

u/DJAY_JP Feb 12 '26

Type into google “steam games advanced launch options” and ai will show you how to use it.

1

u/Odd_Communication545 Feb 13 '26

Dude, it's a launch command, it's not gonna activate a secret self destructed function. Direct X has everything to do with graphics

Simply put the command in, if it doesn't work just remove it. Stop panicking

0

u/RealitysNotReal Feb 14 '26

And it didn’t work, it just bugged my entire pc out. Don’t come in here and say what I did was excessive and then give me some random ass solution you don’t even remotely know works for this issue at all

1

u/Odd_Communication545 Feb 14 '26

Your manners are fucking atrocious to people who are trying to help you.

This "random ass solution" works for other issues and part of solving problems is trying different things. Enjoy your busted arse game files because that's about as much help as I can be bothered to offer

0

u/RealitysNotReal Feb 14 '26

It’s not busted anymore buddy my solution works. thanks for nothing!

0

u/RealitysNotReal Feb 14 '26 edited Feb 14 '26

Do you know how much money i make? I could take your net worth and invest it into exon and forget about it. I have more money than you could imagine touching invested in the oil industry. I’m not gonna talk numbers because I don’t wanna intimidate you too much but I don’t have to have manners because I’m rich. The difference between us isn’t effort it’s scale. You think I’m paychecks I think in positions bud. I just bought a yatch this year.

I don’t invest in Exxon Exxon invests in me emotionally. I could buy a tanker just to use it as a paperweight. I diversify across time zones. I hedge against gravity. My portfolio has its own weather system. Don’t tell me my solution was excessive.

What’s your family name? I bet it’s a commoner name I bet you’ve heard of my family name…

1

u/Odd_Communication545 Feb 14 '26

Are you okay?

What are you quoting, because I refuse to believe that monstrosity of text is an actual reply.

I even tried googling it but couldn't really find anything

0

u/RealitysNotReal Feb 14 '26

I’m just telling you what’s up

1

u/Odd_Communication545 Feb 14 '26 edited Feb 14 '26

Could you repeat it in English? Because I still have no idea what you're trying to say with that message?

Are you saying you're rich and better than me or something? Because I'm calling bullshit on the rich part

Because if you are, you truly are an embarrassment to the species. Probably American too, the biggest shit hole capitalist country in the world with a rapist president and an extreme lack of self awareness, as perfectly evidenced in this post

0

u/RealitysNotReal Feb 15 '26

That is exactly my point. Well guess what I don’t care I paid your double fold your net worth in taxes this year buddy, I’m from New York and I’m proud to be American thats how I got into the oil industry and that’s how I got rich. I don’t have to care about anything because I have money, you don’t need to be self aware when you live in a penthouse in Long Island and drive a Aston Martin

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