In this step-by-step tutorial, learn how to set up multiple monitors on your laptop or desktop Windows 11 PC. With multiple screens, you can duplicate your m Tell your operating system you’re using a second screen. It’s easy to do this in Windows* 11 by going to your Desktop, right click your mouse and go to Display Settings. On Macs, the connection of an external monitor is automatically recognized. Set up the orientation of the monitors. In both PCs and Macs, you can opt whether you want the Using electrical power. This product should be operated from the type of power indicated on the marking label. If you are not sure of the type of power available, consult your dealer or local power company. Do not allow anything to rest on the power cord. Do not locate this product where people will walk on the cord. The easiest way to adjust the brightness on an Acer monitor is to use the on-screen display (OSD) menu. To access the OSD menu, press the “Menu” button on the front of the monitor. This will open the OSD menu and you can use the navigation buttons to select the “Brightness” option. You can then use the up and down arrows to adjust the If your monitor’s power button is jammed or broken, you can still turn on the monitor using the following method: 1. Locate the power cord for the monitor and plug it into an outlet. 2. On the back of the monitor, locate the “VGA” input port. 3. Plug one end of a VGA cable into this port. Click on Identify and the screens should display a “1/2” (for the host notebook and the left screen), and a “3” (for the right screen). (Image credit: Laptop Mag) 10. If they don’t match Press Power Button. Press the power button below the screen of the monitor. If the monitor is working properly, the light on the power button should turn on, as should the monitor. If the monitor is plugged in and there is still no power light, this indicates a bad power supply board. I connect it with my monitor. The problem is I cannot display BIOS on my external monitor. I've try couple of solution from internet: 1. Switch through projection option (FN + F5) 2. Take out LCD connector on motherboard. 3. Remove LCD display on Device Manager. PzZv.