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How to turn off Optimus on your Gaming Laptop

Each laptop brand has a different way of using the MUX switch to enable or disable Optimus. This guide will show you where the setting is for all of the main gaming laptop brands.

How To Tell If Your Gaming Laptop Has A MUX Switch

Different laptops from the same brand may have different options to what’s shown here. In my experience, for the most, part they’re generally the same. That said, differences between generations of hardware are more common.

I’ve listed all gaming laptops that I’ve personally tested and covered if they do or don’t have a MUX switch here. This guide teaches you how to check for yourself if you have a model I haven’t covered.

Click on your laptop brand from the list below:


Acer

Open the Predator Sense software and select the cog icon from the top right. Click on “Discrete GPU only” to make the change. A reboot will be required to complete the process.

How To Use MUX Switch for Acer Gaming Laptop
How To Use MUX Switch for Acer Gaming Laptop

Alienware

I’ve only had the Alienware m15 R5 to test with this feature, and it does not have any front end software to use the MUX switch. You need to boot into the BIOS (power on and keep pressing F2). Go to the Advance tab and select “Enable Hybrid graphics” with the arrow keys and press enter to change it to the desired setting. Once complete, go over to exit, save the changes and leave the BIOS.

How To Use MUX Switch for Alienware Gaming Laptop
How To Use MUX Switch for Alienware Gaming Laptop

Aorus

Open the AORUS Control Center software. Select the “Manager” tab and toggle the “Graphic Switch” as needed. A reboot will be required to complete the process. Gigabyte laptops may be similar, but they are often resold Clevo models, so check the Control Center software.

How To Use MUX Switch for AORUS Gaming Laptop
How To Use MUX Switch for AORUS Gaming Laptop

ASUS

Open the ASUS Armoury Crate Software. Under the System Configuration section, toggle the “GPU Mode” setting between Discrete Graphics and Optimus as needed. A reboot will be required to complete the process.

How To Use MUX Switch for ASUS Gaming Laptop
How To Use MUX Switch for ASUS Gaming Laptop

Dell

I’ve only had the Dell G15 5515 to test with this feature, and it does not have any front end software to use the MUX switch. You need to boot into the BIOS (power on and keep pressing F2). Go to the Advance tab and select “Enable Hybrid graphics” with the arrow keys and press enter to change it to the desired setting. Once complete, go over to exit, save the changes and leave the BIOS.

How To Use MUX Switch for Dell Gaming Laptop
How To Use MUX Switch for Dell Gaming Laptop

HP

Open the OMEN Gaming Hub software, select the “Graphics Switcher” tab and swap between Hybrid and Discrete modes. A reboot will be required to complete the process.

How To Use MUX Switch for HP Gaming Laptop
How To Use MUX Switch for HP Gaming Laptop

MSI

Open the MSI Dragon Center software and select “General Settings”. Change the “GPU Switch” option between Discrete Graphics Mode or MSHybrid Graphics Mode (Optimus on) as needed. A reboot will be required to complete the process.

How To Use MUX Switch for MSI Gaming Laptop
How To Use MUX Switch for MSI Gaming Laptop

Lenovo

Open the Lenovo Vantage software, on the right hand side there should be a switch for “Hybrid Mode”. Hybrid mode enabled means Optimus on, Hybrid mode off disables Optimus. A reboot will be required to complete the process.

How To Use MUX Switch for Lenovo Gaming Laptop
How To Use MUX Switch for Lenovo Gaming Laptop

Razer

Open the Razer Synapse software, go to the System menu and then the Performance tab, change the setting under “GPU Mode”. A reboot will be required to complete the process.

How To Use MUX Switch for Razer Gaming Laptop
How To Use MUX Switch for Razer Gaming Laptop

Tongfang (Eluktronics/XMG/Aftershock etc)

Open the Control Center software. Select “General Settings, scroll down to “Disable Nvidia Optimus” and make the appropriate change. A reboot will be required to complete the process.

How To Use MUX Switch for Tongfang Gaming Laptop
How To Use MUX Switch for Tongfang Gaming Laptop

I still can’t find it!

If in doubt, just look through the settings available through the laptop’s primary control center software. If there’s nothing there, have a look through the BIOS. Most laptops that let you toggle the MUX switch through software also give you the option through BIOS, but not necessarily the other way around, as is the case with the Dell G15 5515 mentioned above.

Hi, Iā€™m Jarrod, a tech reviewer from Australia. I mainly focus on laptops, but am interested in all things tech related!

13 Comments

  • Luke Sullivan

    Hi Jarrod,

    I have a Legion 7i (10865H/2080s) and the only time I was able to disable Hybrid mode was fresh out the box – no matter what drivers I’ve tried since then, when I disable Hybrid mode I get a blank screen on boot (can still get an output on an external display, so I can revert it back).

    Ever seen this issue? There’s a few similar stories on Reddit and such, but no concrete solution that I can see! Driving me up the wall, considering I only ever use it when attached to the wall!

    • Jarrod

      I’ve heard of similar problems but only when people do the opposite and disable the iGPU. I suppose for what ever reason the discrete graphics isn’t connecting to the screen, not sure why, could try DDU + clean driver install and make sure you have the latest BIOS, after that probably time to contact Lenovo support.

  • Willy Anugrah Cahyadi

    I am using Acer Aspire E5-576G-57NY that uses Intel Core i5 8250U (Intel UHD 620 graphics) and Nvidia MX150. To my surprise, the Acer PredatorSense app works wonderfully to disable the Optimus.

  • Gabriele

    Hey Jarrod,
    Like you I’m passionate about laptops and hardware and love your videos (I’m also in Melbourne btw).
    Did you find a way to enable the advanced BIOS and undervolting on the newer Lenovo Legion 7 (and 7i)?
    Stupid new Windows and BIOS update disabled undervolting šŸ™
    Tried with the Fn+R/N and also Fn+All Keys trick but no luck. Also tried Fn+F2 on boot but nope šŸ™

    • Jarrod

      Hey, unfortunately I had the Ryzen Legion 7, so no undervolting on Ryzen as far as I’m aware, haven’t had t he 7i yet to try. Haven’t heard anything about the advanced BIOS though, I just confirmed the combination that worked previously with last gen didn’t work with current gen, so not sure if it’s changed or just not there.

  • ERIC

    I have an HP pavilion gaming laptop 15. It comes with a 150w power supply, but I can get an HP omen 200w power supply that fits and has the correct voltage, amps, etc.

    My GPU maxes at 51watts power draw right now.

    Will the extra watts from the omen power supply allow the GPU to draw more watts and thus improve performance on games that need the additional GPU resources?

    • Jarrod

      I do not know, but probably not, most laptops come with the right size brick to run the hardware maxed out. It may be the case that the power limit of the GPU isn’t max though, so potentially flashing a different VBIOS with a higher power limit would use more power than the stock brick could handle, but that’s pretty high level stuff and not without its risks.

  • Orlann

    Hello, I just wanted to ask if I use an external display to bypass the optimus in my laptop, can I still have the onboard display as my primary display and have the optimus disabled at the same time? Or do I have to always use the external display? I’m have ASUS TUF Gaming F15 2021

    • Jarrod

      I am not certain but I don’t think so, I have to turn off the laptop screen when doing that otherwise if the iGPU is still active you don’t seem to get the FPS boost.

  • Calvin Ray Di Bartolo

    I have a Dell G7 17 7790 with RTX 2060.

    So, I don’t have a mux switch, specific ports *are* directly connected to the GPU — specifically the Display Port and the Thunderbolt 3 port. The HDMI and built-in screen run through the iGPU/Optimus.

    Yes, if you buy the appropriate eDP cable (40-pin) and screen you can absolutely upgrade your screen to 144hz — I did read somewhere that there’s a version of this laptop with 300hz.

    Yes, if you remove your secondary hard drive (or never had one to start with), you *can* install the 90Wh extended battery, even though the 60wh is 15v and the 90wh is 11v, *it does work*.

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