In this tutorial, we will show you the steps to fix the Engine Error: Failed to lock vertex/index buffer in Garry’s Mod. Well, there is quite a few sandbox game available right now. While Minecraft may be the first one that comes in mind while talking about this genre, Garry’s Mod isn’t far behind either. In its raw form, there isn’t much that you could try out. But once you integrate the third-party add-ons, you are in for a treat. These addons are either created by developers or belong to the user-generated domain and notch up the gameplay experience quite a bit.
However, you could only enjoy the game if it is running in all its glory. Occasional frame-drops and lags altogether kill the gameplay. In this regard, one such thing that might cause this issue is the Engine Error: Failed to lock vertex/index buffer error in Garry’s Mod. If you are facing this error, then chances are you might not even launch the game in the first place. Even if it launches, the gameplay experience will be full of lags and crash, making it equivalent to none-playable. Therefore, in this guide, we will share with you the steps to fix this error. Let’s begin.
How to Fix Engine Error: Failed to lock vertex/index buffer: Garry’s Mod
Among all the errors that the users are facing, this one infuriates the users up to the core. And we can’t blame them in the first place. But why does this error happen? Well, this error is related to the graphics card. However, it isn’t any software related issues. You see, most of the gameplay issues could be fixed just by updating your graphics driver from the Device Manager. However, this time it might not work out in your favor.
The thing is your graphics cards aren’t meeting the minimum system requirements. As per the Steam’s page for Garry’s Mod, here are the minimum requirements needed for this game to run:
