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Introduction:
In today’s world, where electronic devices serve multiple purposes, the concept of MUX Switch has gained substantial significance. A MUX Switch, short for multiplexer switch, is a hardware component that allows the user to connect different input sources to a single output device. It acts as a selector or switch, enabling the user to choose between various input devices and use them with a common output port. MUX Switches have found diverse applications, especially in laptops, where users often need to switch between different input sources such as external monitors, keyboards, mice, or other external devices. In this article, we will discuss what a MUX Switch is and how to turn it on in a laptop, providing you with a comprehensive understanding of this essential component and its utility.
Surely for those who use laptops like Acer Nitro, Asus TUF Gaming, … have also heard of the MUX Switch feature. So do you know exactly what MUX Switch is? Follow along here to learn more about the benefits that this feature brings!
What is MUX Switch?
First, we need to know that the discrete graphics card on the laptop is responsible for handling complex tasks and then transmitting them to the integrated graphics card to display on the screen. When you play heavy games, due to the performance difference between these two cards, it often leads to a situation called “bottleneck”.
This situation appears mainly because the integrated graphics card on the laptop is too weak compared to the performance of the discrete card. Therefore, you will see lag, frame lag when playing games at high graphics levels.
To overcome the “bottleneck” situation, manufacturers have researched the MUX Switch. The main function of the MUX Switch is to create a connection that allows the discrete graphics card to directly output the image on the screen.
MUX Switch will usually be equipped on gaming laptops. This feature enhances performance and minimizes latency when fighting high-profile games. Although it offers smooth gameplay, this feature will also drain the laptop’s battery more .
How to know if a laptop has a MUX Switch?
Laptop manufacturers often do not advertise nor mention the MUX Switch feature in the machine’s specifications. The easiest way for you to know exactly if your laptop has a MUX Switch or not is to ask the seller directly for advice.
You can also access the control software of each company such as: Lenovo Vantage (Lenovo), Armory (ASUS)… Then, go to GPU switch (GPU working mode) and ask to restart. If the options appear: dGPU Mode , Discrete Graphics , then determine that the laptop has a MUX Switch.
Besides, if you have a certain understanding of computers, you can try tinkering in the BIOS/UEFI section to check if your laptop has the MUX Switch feature.
How to turn on MUX Switch on laptop
How to enable the MUX Switch feature as follows:
- Step 1: You access the control software of the device
- Step 2: You select the icon MUX Switch, MS Hybrid
- Step 3: After the machine reboots, it means you have successfully enabled this feature.
After you turn on the MUX on your laptop, the machine will automatically allow the discrete video card to process and output the image directly on the screen if the machine detects that you are performing complex tasks such as playing games, or designing. Graphics.
Performance test
Test the performance of the MUX Switch feature with a Lenovo Legion 5 Pro laptop, with heavy games like: Horizon: Zero Dawn , Shadow of the Tomb Raider , Final Fantasy XIV: Endwalker , all at 1920 x resolution settings. 1080 .
According to the results of the scores measured on Unigine , turning on the MUX Switch feature will change with the average frame rate increasing from 99.28 to 103.72 fps. However, this change is not too different from the default mode.
Conclude
From the results of the above test, it can be seen that the performance difference when turning on and off the MUX Switch is difficult to discern without using specific measurement tools. This may also be the reason why this feature is not promoted by the manufacturer much.
When you turn on the MUX Switch, there is a big minus point that is the battery life is significantly reduced . Therefore, trading battery life for a negligible change in performance is clearly not really appropriate .
Besides, turning on the MUX Switch on the laptop is also quite inconvenient when you have to wait for the machine to restart the system. However, if you like tinkering with new features or want to evaluate the effectiveness of this feature, you can completely try it and feel it.
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In conclusion, a MUX switch, also known as a multiplexer switch, is a device that allows multiple input signals to be selectively sent to a single output. It is commonly used in electronic systems to optimize data transmission and reduce the number of required wires.
To turn on a MUX switch on a laptop, you first need to ensure that your laptop is equipped with one. Not all laptops have MUX switches, as they are typically found in high-performance devices that require the flexibility to switch between integrated and discrete graphics cards.
If your laptop does have a MUX switch, you can usually turn it on by accessing the laptop’s BIOS or UEFI settings. Restart your laptop and press the designated key (usually F2, F10, or Del) repeatedly during the startup process to enter the BIOS or UEFI setup. Look for a section related to graphics or displays and locate the MUX switch option. Enable this option, save the changes, and exit the setup. Your MUX switch should now be turned on.
It is important to note that the process may vary slightly depending on the laptop model and manufacturer. Refer to your laptop’s user manual or contact the manufacturer’s support for specific instructions if needed.
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