HOW TO SWITCH THE DGPU TO IGPU WITHOUT MUX SWITCH AND MONITOR IN NITRO V15?

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Elens
Elens Member Posts: 3 New User
edited July 2 in Nitro Gaming

I need igpu went study and work and the dgpu is for gaming, if i use both it will make my battery run out of battery very fast, and the other reason is to boost fps and latency, and in eco mode still make dgpu work so i don't really use that.

BTW my laptop is Acer nitro v15 6600h 3050 6gb!

Answers

  • Puraw
    Puraw ACE, Member Posts: 17,634 Trailblazer
    edited July 2

    Here’s a battery-friendly workaround without sacrificing HDMI or system stability:

    🔧 Best Practices to Prioritize the iGPU (AMD Radeon 660M)

    1. Use Windows Graphics Settings
      • Go to Settings > System > Display > Graphics
      • For each app (especially browsers, office tools, etc.), set “Power saving” mode — this forces the app to use the iGPU.
    2. Disable RTX 3050 via Device Manager (with caution)
      • This works only if you don’t need HDMI output.
      • Disabling the RTX 3050 will force the system to rely on the iGPU, but again, HDMI will stop working.
    3. Use Battery Saver + Eco Mode
      • In NitroSense, enable Eco Mode.
      • Combine this with Windows Battery Saver to reduce dGPU activation.
    4. External Display Workaround
      • If HDMI is essential, consider a USB-C to DisplayLink adapter. These adapters use the iGPU for output and bypass the RTX entirely — a neat trick for battery-conscious users.

    Tip: How to Check GPU Routing

    You can confirm this on any system by opening NVIDIA Control Panel > Set PhysX Configuration. It’ll show which ports are connected to which GPU. On the Nitro V15, you’ll likely see:

    • HDMI → RTX 3050
    • USB-C → Radeon 660M
  • Axxo
    Axxo Member, Ally Posts: 2,060

    The Acer Nitro V15 (ANV15-51) does not have a MUX switch, and there's no direct way to switch between the dGPU and iGPU without using an external monitor. Connecting an external monitor via HDMI or USB-C can bypass Optimus and utilize the dGPU directly.

    Explanation:
    MUX Switch:
    A MUX (multiplexer) switch allows a laptop to switch between using the integrated graphics (iGPU) and the dedicated graphics card (dGPU) for the display output.
    Optimus:
    NVIDIA's Optimus technology automatically switches between the iGPU and dGPU based on the application's needs, but it relies on the iGPU for display output.
    Nitro V15 Limitations:
    The Nitro V15 series lacks a physical MUX switch, meaning it's locked into Optimus mode unless you use an external display.
    External Monitor Bypass:
    Connecting an external monitor to the HDMI or USB-C port bypasses the built-in display and allows you to directly utilize the dGPU for that monitor, effectively disabling Optimus for that display.
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