1. Turn on the computer and repeatedly press your 'F8' keyboard key. This action stops the normal booting operating procedure and loads an Advanced Boot Options menu.
2. Select the 'Enable low-resolution video (640x480)' option by using the arrow keys on your keyboard. Press the 'Enter' key once the correct option is highlighted.

3. Click 'Start.' Type 'Device Manger' in the 'Start Search' field and press 'Enter.' This opens a new window containing a list of your hardware.
4. Expand your graphics hardware by clicking 'Display Adapters.' Windows may display an alert icon next to your adapter.
5. Right-click the adapter and click 'Disable.' Click 'Yes' if prompted to confirm, and reboot your computer as normal.
6. Go back to the Device Manager once Windows has reloaded by typing 'Device Manager' in the 'Start Search' box and pressing 'Enter.'
7. Right-click your adapter again and click 'Enable.' Click 'Yes' if prompted with a confirmation, and reboot your computer once more.
8. Right-click your desktop and click 'Personalize.' This opens a new window on the screen. Click the 'Display Settings' on the appearing window.
9. Locate the 'Resolution' slider near the bottom of the window. Click and drag the slider to a resolution supported by your monitor. Refer to your monitor's documentation if you are not familiar with the maximum or recommended operating resolution of your display.
10. Click the 'Apply' button at the bottom to confirm your resolution change. Your screen may flash briefly, and a confirmation appears asking if you would like to keep the new resolution. Click 'Keep Changes' if satisfied or 'Revert' if you are not content with the change.