GPUs may already struggle juggling two monitors, you don’t want to make things any hard for them. We suggest not overclocking specs like refresh rate when in a dual-monitor setup. If one monitor has a significantly lower resolution than the other, that’s not going to change, and some things may naturally look different. However, they will still be limited by their individual specifications. Note: You can use two monitors of different sizes, refresh rates, and resolutions as long as they have the required connections. If you’re still running into problems, try updating your graphics drivers. If this didn’t work, make sure your monitor and graphics card can run at your chosen resolution. Windows designates one of these resolutions as “recommended” based on the display’s hardware. Step 4: Select a screen resolution that works best for you. Step 3: With your secondary screen highlighted, scroll down to Scale and Layout and click the drop-down menu located under Display Resolution. Click on the secondary display shown in the diagram. Step 2: The Settings app opens with the Display panel loaded by default. Step 1: Right-click your desktop and select the Display Settings option on the resulting pop-up menu. If you add a new, higher-resolution monitor to your system and find that it’s not displaying correctly, it might be borrowing settings from an older display, or simply trying to match your primary monitor. If it doesn’t, contact your retailer or manufacturer to discuss a return or replacement. If it does, consider running it as the primary display until you determine the root problem. If you’re still having trouble with your extended desktop monitor, verify that it works by unplugging the primary screen and double-checking the above steps again. Making sure you’re running the latest graphics drivers for your system can sometimes fix problems with no signal errors. Update your drivers: Windows supports multiple monitors by default, but your current setup may not be configured correctly. Switching to another may be all you need to do to correct the problem. Sometimes ports themselves can go bad or somehow get damaged. You can also try using a new cable in case the old one has issues (bent pins, a short, exposed wire, etc.).Ĭhange the graphics port: If you’re using a dedicated graphics card with multiple output ports, try switching to another port. Try to remove the adapter if possible, or replace it with another adapter to see if this fixes the issue.Ĭhange data cable: If you’re using an older cable standard like VGA or DVI-D, you might want to try a newer alternative like HDMI or DisplayPort. If you are using an adapter to switch from one type of input to another, this may be causing issues with the other monitor. Use the buttons on your monitor to cycle through the channels and select the correct input from your PC. Verify the correct input: Monitors with multiple input options need you to manually select which cable and port you’re using, like HDMI 1, HDMI 2, DisplayPort 1.4, USB-C, and so on. You may need to find newer, compatible accessories or use connections on your PC instead of your monitor. If your display starts working afterward, these connections were probably interfering with your setup. Remove other peripheral devices: Disconnect any connected cameras or other unnecessary peripherals. If they do seem well secured, unplug them and plug them in again just to be sure. Verify cable connections: A loose cable can cause “no signal” errors more often than any other problem. That may be all it needs to recognize the video feed and start displaying it correctly. Turn the screen off and on: Some connection types don’t like hot swapping while a different monitor is powered on. In Windows 11, you can find this under the Multiple Displays section. In the following window, click the Detect button located under the display diagram. To force it to check again, right-click the desktop and select Display Settings from the resulting pop-up menu. How to use MSI Afterburner, one of the top GPU overclocking and monitoring toolsįorce Windows to detect your monitor: Maybe Windows didn’t recognize your second display’s connection. The most common Slack issues and how to fix them Wi-Fi not working? How to fix the most common problems
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