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5 ways to fix NoxPlayer lag issues that really work

To resolve this issue, all you need to do is to enable the VT setting on your system, and you’ll experience a significant boost in the running speed..

The procedure for running BIOS varies across platforms. Hence, depending on your system’s build, the procedure outlined herein might not work for you.

Follow the steps below to run BIOS on your system:

  1. Power off your PC and reboot it.
  2. On the boot menu, run BIOS by clicking the F2 button (or any of the F-keys, depending on your system).
  3. Go to Configuration and locate one of the following:
    • Virtualization
    • Intel Virtual Technology or
    • VT-x.
  4. Enable the virtual engine.
  5. Hit the F10 button to save changes.
  6. Exit

Note: For Win 8 and Win 10 users, make sure you disable the Hyper-V feature on your PC, before enabling the VT function.

Enabling VT on your PC should fix NoxPlayer lag issues, and you can now enjoy optimized Android experience on your PC, via NoxPlayer.

If this doesn’t work, you can try the next troubleshooting fix.

2. Reconfigure the RAM and CPU allocated to NoxPlayer

  1. Launch NoxPlayer and navigate to the top right-hand corner of the home page.
  2. Click on the Settings option.
  3. Under Settings, select Advanced.nox emulator settings
  4. Check the Customize box.
  5. Configure the performance settings as you desire (setting CPU and RAM to higher values is the recommended configuration).
  6. Enter the desired value in the designated box for CPU.
  7. Do the same for RAM.
  8. Click on Save Changes

NoxPlayer should be working at optimum capacity now.

This procedure works in sync with the virtual technology function; hence, if your system does not support VT, you can’t fix NoxPlayerlag using this procedure.

If you are still experiencing lags, you can change the graphics rendering mode (under Advanced settings).

Note: In trying to improve NOX performance via CPU and RAM customization, ensure to leave sufficient CPU and RAM space for the computer to run other system operations. Failure to do this might result in an eventual system crash.

4. Enhance graphics card performance


  1. On your PC‘s desktop window, right-click.
  2. On the displayed options, select NVIDIA Control Panel.
  3. Click on the Manage 3D settings option.Manage 3D setting nvidia
  4. Navigate to the “Global Settings” tab.
  5. Under the “Preferred graphics processor” drop-down, select “High performance NVIDIA processor”.

Like most emulators, NoxPlayer requires a standard graphics setup to function properly. So, if you are experiencing lags, the problem could be from your system graphics cards (or GPU setup).

The ultimate solution in this case, is to increase the performance of your system’s GPU, specifically the graphics cards. Although there is a number of ways to do this, we’ll be showing you the standard ones in this section.

This would jack-up the graphics card performance

However, if you want to set the graphics card to higher performance on the only NoxPlayer, you can customize the setting as follows:

  1. Under Manage 3D settings (as described above), go to the Program Settings tab.
  2. On the Select a program to customize drop-down, select NoxPlayer.
  3. Under the second drop-down menu, select High-performance NVIDIA processor.High performance NVIDIA processor settings
  4. Press Apply to save changes.
  5. And you are all set!

For AMD:

Note: This process requires two sets of graphics cards. Hence, you need to check if you have two graphics cards on your system.

  • Click on the Windows + R keys (to open the Run dialog box).
  • Type devmgmt.msc in the box (to launch Device Manager).fix nox emulator lag
  • Click on Display adapters to display the graphics card(s).fix nox emulator lag
  • If there are two graphics cards, proceed; otherwise, abort.
  • Navigate to your desktop window and click Start > Programs.
  • Select Catalyst Control Center.
  • Under Catalyst Control Center, locate Power and click on it.
  • Select Switchable Graphics Application Settings.
  • Locate NoxPlayer and set its graphics to High Performance.
  • Click the Apply button.
  • And you are all set!

Alternatively, you can update your graphics card drivers by using driver updater software.

5. Clear NoxPlayer’s Cache

  • Go to Settings and click on it.
  • Select Apps.
  • Locate the ALL tab and select Media Storage.
  • Click on the Clear data icon
  • Select OK in the confirmation pop-up.
  • Once cache is cleaned, NoxPlayer should now be working fine, without lag.

More often than not, NoxPlayer would be running slow after heavy usage. And most times, all you need to do to fix the error is to CLEAR the emulator‘s cache (like in Android phone).

NoxPlayer is one of the most prominent Android emulators in the market. And it is designed to run at optimum capacity, in sync, with a host PC. Hence, in the event of performance reduction or lag, the primary problem is usually caused by the host computer.

In any case, we have outlined five standard troubleshooting procedures, which, if appropriately applied, would fix NoxPlayer lag, and speed up the program’s performance on your PC.

If you find this piece helpful (or otherwise), kindly leave us a comment in the designated box below.

Editor’s Note: This post was originally published in February 2019 and has been since revamped and updated in October 2020 for freshness, accuracy, and comprehensiveness.

This post was written by Ivan Jenic and was first posted to WindowsReport

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