1. Check your monitor’s settings.
- Verify that your monitor supports the desired resolution
- Make sure the resolution is set correctly on both the laptop and external monitor
2. Update your display driver.
- Check if your display driver is up-to-date in the laptop’s device manager
- If needed, download and install the latest driver to ensure your laptop recognizes the external monitor’s resolution
3. Switch to a free HDMI port.
- If you are using an HDMI port, try using a different one, as some may be limited to certain resolutions
