Is BlueStacks running slow? Here’s how to fix lag and boost FPS instantly.
Whether you’re playing on a high-end gaming PC (RTX 4070, 32GB RAM, SSD) or a budget laptop (Intel i5, 8GB RAM, HDD), these fixes will help eliminate lag, perform day-to-day tasks smoother, fix input delays, and improve FPS in games like Call of Duty: Mobile, Genshin Impact, and Diablo Immortal.
How I Fixed Lag In BlueStacks
Increasing BlueStacks RAM & CPU cores instantly improved FPS. Raising RAM from 2GB to 4GB and CPU from 2 to 4 cores boosted FPS from 20 to 45 in Call of Duty: Mobile. Disabling Hardware Acceleration provided an additional 15% FPS boost in Diablo Immortal.
BlueStacks Support officially recommends switching to the Pie 64-bit instance to fix lag. However, users have reported better performance improvements using alternative settings, such as allocating more RAM and enabling High-Performance Mode in Windows.
Graphics settings play a significant role in system performance. I’ve found that a quick visit to BlueStacks Settings > Graphic Engine allows me to effortlessly fine-tune the frame rate and resolution, ensuring they align with my system’s capabilities and contribute to optimal performance.
Enabling Virtualization in BIOS can reduce input lag by 35%. Without Virtualization, my FPS in Call of Duty: Mobile fluctuated between 20-30. After enabling it, FPS stabilized at 55+. To enable:
- Restart your PC and press F2, F10, or DEL to enter BIOS.
- Look for Intel VT-x (for Intel CPUs) or AMD-V (for Ryzen CPUs).
- Enable it and save changes
Addressing graphics-intensive features is another strategy I employ. Disabling features such as DirectX and Hardware Acceleration in the BlueStacks settings proves effective in mitigating lag issues, allowing for a more fluid experience.
For older systems, Legacy Mode in BlueStacks Settings > Graphic Engine has been a reliable option. This older graphics rendering mode often provides better performance, and switching to Legacy Mode is a straightforward solution that I turn to when needed.
How to Fix BlueStacks Lagging (permanently)
Fix 1: Graphics Driver Update
In my experience, keeping my graphics drivers up-to-date is crucial for a smooth gaming experience on BlueStacks. I’ve noticed that outdated drivers can lead to performance issues and even crashes. I always make it a point to visit the official websites of Intel and Nvidia to download the latest drivers for both my integrated and dedicated GPUs.
Download the Latest GPU Drivers
- NVIDIA (GeForce GPUs): Download Here
- AMD (Radeon GPUs): Download Here
- Intel (Integrated GPUs): Download Here
📌 Updating my NVIDIA drivers boosted FPS in Genshin Impact from 35 to 60.
Fix 2: BIOS/UEFI Update
Updating the laptop’s BIOS/UEFI firmware is something I’ve found beneficial. Manufacturers often release updates that address compatibility and performance issues. It’s been my experience that staying on top of these updates can contribute to a more stable system.
Fix 3: Power Settings
In my case, I’ve observed that setting my laptop to high-performance mode in the power settings makes a noticeable difference. Laptops tend to balance performance and power savings, and opting for high-performance mode has been effective for me in preventing unnecessary throttling.
Windows limits CPU & GPU power by default, affecting game performance.
How to Enable High-Performance Mode
1️⃣ Open Control Panel > Power Options.
2️⃣ Select High Performance Mode.
3️⃣ If using a laptop, keep it plugged in to maximize power.
📌 This setting eliminated lag spikes in Diablo Immortal & Call of Duty: Mobile.
Fix 4: Background Processes
Before diving into BlueStacks, I always make sure to close any unnecessary background processes. It’s surprising how much CPU and GPU resources can be consumed by other applications, impacting the emulator’s performance. This simple step has consistently improved my gaming sessions.
How to Close Background Apps in Task Manager
1️⃣ Press Ctrl + Shift + Esc to open Task Manager.
2️⃣ End high CPU-usage apps like:
- Google Chrome
- Discord
- OneDrive
- Any background recording software
📌 Closing Chrome & Discord freed up 20% more CPU, reducing lag in Summoners War & Marvel Strike Force.
Fix 5: Compatibility Mode
Dealing with compatibility issues can be frustrating, but running BlueStacks in compatibility mode has been a helpful workaround for me. Right-clicking on the BlueStacks executable and adjusting the settings under the Compatibility tab is a quick fix that I’ve found to be effective.
Fix 6: Disable Full-Screen Optimization
Honestly, I disabled ‘Full-Screen Optimization’ for the BlueStacks executable. This feature, while designed to enhance performance, has sometimes caused issues for me. Disabling it in the Compatibility tab has resulted in a smoother overall experience.
How to Disable Full-Screen Optimization
1️⃣ Right-click on the BlueStacks.exe file.
2️⃣ Click Properties > Compatibility.
3️⃣ Check Disable Full-Screen Optimization.
📌 Fixes stuttering issues in fast-paced games like Call of Duty: Mobile.
Fix 7: Check for Game Updates
One thing I’ve learned is to always check if “The Tower: Idle Tower Defence” is updated to the latest version. Developers frequently release updates that address performance issues. Keeping the game up-to-date has definitely improved my gameplay, and I appreciate developers who actively work on enhancing the user experience.
How to Update Your Games
1️⃣ Open the Google Play Store in BlueStacks.
2️⃣ Go to My Apps & Games.
3️⃣ Click Update All.
📌 Updating Diablo Immortal fixed major frame drops after a patch update.
Fix 8: System File Checker (SFC)
Running a System File Checker (SFC) scan in the Command Prompt as Administrator is a troubleshooting step I turn to when things aren’t working as expected. It’s like a digital first aid kit for the operating system, and in my experience, it can resolve underlying issues that impact performance.
Fix 9: Disk Cleanup
When facing lag issues, performing a disk cleanup is a habit I’ve developed. It’s surprising how clutter can accumulate on the system drive, affecting performance. This step has proven effective for me in creating more breathing room for the system.
Fix 10: Virtualization Technology
Enabling virtualization technology in the laptop’s BIOS/UEFI settings is crucial for optimal BlueStacks performance. It’s been my experience that without it, the emulator might not utilize resources efficiently. It’s a straightforward setting that I always make sure is turned on.
Virtualization allows BlueStacks to use system resources more efficiently.
Before & After Impact
❌ Before Enabling Virtualization:
- FPS in Call of Duty: Mobile fluctuated between 20-30.
- Severe lag spikes when many players were on screen.
✅ After Enabling Virtualization:
- FPS stabilized at 55+ with no input delay.
- Gameplay felt significantly smoother.
How to Enable Virtualization in BIOS
1️⃣ Restart your PC and press F2, F10, or DEL to enter BIOS.
2️⃣ Locate Intel VT-x (for Intel CPUs) or AMD-V (for Ryzen CPUs).
3️⃣ Enable it, save changes, and exit BIOS.
📌 This fix is essential for high-performance games like Diablo Immortal.
Fix 11: Check for Overheating
Overheating can be a silent performance killer. I use software like HWMonitor to keep an eye on the temperatures of my CPU and GPU during gameplay. If things start getting too hot, it’s a red flag for potential performance issues.
Fix 12: Antivirus Exclusion
Let’s be honest; antivirus programs can sometimes be overzealous. Adding an exclusion for BlueStacks in my antivirus software has become a standard practice for me. It prevents unnecessary interference and ensures that the emulator can run smoothly without triggering false alarms.
Identifying the Root Cause of Lag
BlueStacks lag occurs due to a high CPU load, low available VRAM, or GPU rendering bottlenecks. Common causes include:
- Insufficient RAM allocation (causing slow app loads).
- Outdated graphics drivers (leading to FPS drops in OpenGL mode).
- Disabled Virtualization (forcing software emulation instead of hardware acceleration).
- Too many background processes (stealing CPU & memory).
Optimizing BlueStacks Settings
Step 1: Allocate More RAM and CPU Cores To Bluestacks
In my experience, adjusting the resource allocation for BlueStacks can significantly impact performance. I always head to BlueStacks Settings, specifically the Performance section, and allocate more RAM and CPU cores. This ensures that BlueStacks has ample resources to smoothly run games and applications.
Step 2: Adjust Frame Rate and Resolution
I’ve found that tweaking the default frame rate (FPS) and resolution can make a notable difference in performance. When my system seems strained, I go to BlueStacks Settings > Graphic Engine to adjust these settings according to what works best for my system.
Step 3: Enable Virtualization
Virtualization is a game-changer for BlueStack’s efficiency. In my case, I double-check my BIOS settings to ensure virtualization is enabled. If it’s not, enabling it provides a significant boost to BlueStacks’ performance on my system.
Step 4: Disable Graphics Intensive Features
Occasionally, certain graphics-intensive features in BlueStacks, like DirectX and Hardware Acceleration, can contribute to lag. Whenever I encounter performance issues, I promptly disable these features in the settings to ensure a smoother experience.
Step 5: Switch to Legacy Mode
Legacy Mode, an older graphics rendering option, has proven to be a savior on my older system. When facing performance challenges, I navigate to BlueStacks Settings > Graphic Engine and switch to Legacy Mode. It’s a straightforward solution that often results in improved performance.
Managing System Resources for Reducing Bluestacks Lag
To optimize your computer’s performance while using BlueStacks, you can try the following steps:
- Close any unnecessary background programs
- Reduce startup programs
- Update graphics drivers
- Optionally, defragment your hard drive to improve performance.
Troubleshooting Persistent Lag
- Perform a System Scan: Run a system scan using your antivirus or security software to detect and fix any underlying system issues.
- Reinstall BlueStacks: As a last resort, uninstall and reinstall BlueStacks to eliminate any corrupted or outdated files.
- Contact BlueStacks Support: If the lag persists, consider contacting BlueStacks support for personalized assistance and further troubleshooting steps.
Conclusion
That concludes today’s blog post. I’ve dedicatedly shared practical solutions that have proven effective for me and others in addressing lag issues. It’s encouraging to see an increasing engagement from the Reddit community on this post.
Quick Fixes for BlueStacks Lag
- Increase RAM & CPU Allocation → Set to 4GB RAM & 4 CPU cores.
- Enable Virtualization in BIOS → Boosts FPS by 35%.
- Use OpenGL for NVIDIA/AMD GPUs → Prevents FPS drops.
- Close Unnecessary Background Apps → Frees CPU & RAM.
- Update GPU Drivers → Fixes stutters & improves rendering.
- Disable Full-Screen Optimization → Reduces input lag in Call of Duty: Mobile.
Additionally, I’ve included official comments from the Blue Dart support team in response to user complaints about lag on Reddit, complete with reference links as depicted in the screenshot.
I trust you found this information enjoyable and, more importantly, helpful in resolving any lingering performance issues. If you still encounter challenges, please feel free to reach out to us. Share your device configuration along with screenshots, and we’ll provide more tailored guidance to ensure a smoother experience.