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Tips to Fix Roblox Lag and Boost FPS on PC

Tips to Fix Roblox Lag and Boost FPS on PC

10 Proven Tips to Fix Roblox Lag and Boost FPS on PC

Hannah Fischer-LauderbyHannah Fischer-Lauder
October 30, 2025
in Corporations, TECH
0

Want to play Roblox on high FPS with no lag, but not sure how? Don’t worry, here is a detailed guide on how to fix Roblox lag and boost its performance to increase FPS. Roblox does not require a high-end gaming PC; even a computer with moderate specifications can run it with ease. All you need to do is to follow these 10 tips and implement them to enjoy a smooth and lag-free gaming experience.

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Update Your Drivers

Did you know? Old drivers are among the most frequent causes of games slowing down. Always guarantee your PC is current with all of the newest drivers, particularly your graphics card.

Click Start > Settings > Update & Security: Update everything recommended by Windows by clicking the “check for updates” button. Open your NVIDIA or AMD application and look for the most recent drivers; update them too.

 

Set Your PC to High Performance

If you have never optimized your PC for performance before, there is a high chance that your PC is either set to balanced or, even worse, power-saver mode. Balanced is fine for Roblox in most cases, but the power-saver mode is the real culprit that limits your PC.

To check, go to Start > Control Panel > Hardware and Sound > Power Options. If your PC is set to Power Saving then choose Balanced or High Performance. If your PC is already on Balanced and you’re still lagging, then set it to High Performance.

 

Plug In Your Laptop While Gaming

If you’re playing Roblox on a laptop, then you have to plug it in while gaming. Whenever a laptop is running on battery, it is automatically set to power-saver mode, which will once again limit the performance.

To fix this you have two options. The simplest solution is to always plug in your laptop while playing Roblox. The other option is to turn off battery saver mode; you can find this setting in the same section as above. However, it will drain your battery very quickly.

 

Adjust Your Roblox Graphic Settings

Even a high-end gaming PC cannot handle Roblox at maximum graphic settings while playing a few games. That’s why even the developers recommend lowering your settings for good performance. After joining a game in Roblox, press shift+f5 to open the performance stats overlay. Here you can check your current FPS.

Now press Esc and go to Settings. Change “Graphics Mode” to manual and lower “Graphics Quality” until you get a smooth and lag-free experience. This tweak alone will boost Roblox FPS by a lot.

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Play Roblox in Full Screen

Are you playing Roblox in windowed mode? Then you’re bound to experience lag. Whenever you’re playing a game, make sure to do it in full-screen mode for the best performance.

Go to Roblox Settings and set “Fullscreen” to ON. This will make sure that your PC will allocate enough resources to Roblox to make sure it runs faster. You can also press alt+enter to switch between windowed and full-screen mode.

Note: Changing the graphics settings down and playing in full-screen mode are the best Roblox settings for high FPS. But wait, it may not just be your PC causing the issue; it could also be your internet, so here’s how to fix that too.

 

Fix Your Network

A bad internet connection is a nightmare for multiplayer games. If you find yourself stuttering while moving or suddenly teleporting back to your previous location, the main culprit is your network.

To fix this, start by limiting your downloads. If you have anything downloading in the background, either pause it while gaming or limit the download speed.

Having a wired internet connection will reduce your lag by a lot. Playing on a wireless connection is never recommended for multiplayer games. Get an Ethernet cable and connect your PC directly to your router for lag-free gaming.

 

Close Background Apps

You may be surprised by the number of applications running in the background and using your PC’s resources. To confirm this for yourself, go to your Taskbar and look for the arrow facing upwards, then click on this arrow. Next, you will see all the hidden application icons on your PC that are currently running as you are reading this.

Click the right button on an application that you are not actively using and close it. You should now have enough resources available to run Roblox. It can be a hassle to close background apps each time you open your PC. The next important step will help with this issue!

 

Disable Unnecessary Startup Apps

A lot of applications on Windows start by themselves. These are the same apps that are constantly running in the background and making your Roblox lag. To fix this, right-click on the Taskbar and select Task Manager. Click on “More details” if required and go to the Startup tab.

Here, right-click on any app that you don’t want on startup and select disable. You can check whether the app is enabled or disabled on startup under “Status.”

 

Delete Temp Files

Temp files are temporary files that are created whenever you open an application. These files are not needed and deleting them will free up disk space and increase your computer’s performance.

Press Windows+R to open the run command. Type “%temp%” without quotes in the run command and press enter. You can delete all the files in the Temp folder safely. A few of them cannot be deleted if you’re actively using an application, so skip them instead.

 

Perform a Hardware Check

If nothing works, then the final step is to perform a hardware check. Start by making sure that your PC meets Roblox’s recommended system requirements. If it does and you’re still lagging, download HWMonitor. Run this application to monitor your PC’s health.

The most important item to check for is temperature on your CPU. The safest maximum temperature for most CPUs is 85°C and below. Anything higher will make your PC’s performance drop and cause long-term damage to your PC.

If you have higher temps, clean the dust out of your PC, and replace the thermal paste.

That is it! These are the 10 most important tips to boost Roblox on PC! Optimize your PC for performance, tweak your Roblox settings and fix your network and you too can enjoy Roblox at high FPS with no lag!


Editor’s Note: The opinions expressed here by the authors are their own, not those of impakter.com — In the Cover Photo: Tips to Fix Roblox Lag and Boost FPS on PC. Cover Photo Credit: Roblox

Tags: best roblox settings for high fpsboost roblox fpsfix roblox laghow to fix roblox lag
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