Press Button 1 or Button 2 to highlight Factory Reset option in the menu and press Button 3 to select. It is always essential to isolate the monitor while troubleshooting your computer for the following scenarios:

Use the buttons at the bottom of the monitor to access the On-Screen Display (OSD) menu of the monitor. To access the On-Screen Display (OSD) menu, press Button 3 at the bottom of the monitor. Attaching the stand - Refer to the Setting Up The Monitor section in the User's Guide on Connecting the Stand to your Dell P2418HT monitor. Make sure that the video cable connecting the monitor to the computer is connected properly and is secure. Dim/discolored video can be caused by the video cable, so try reseating the cable and swapping with a known good part. Use a USB-extender cable to position the wireless USB receiver as far away as possible from the USB 3.0 port.

No POST - Your computer is not showing any indication of activity, the screen might be blank and will not display the Dell logo during start-up. Change the color-setting mode in the Color Settings On-Screen Display Menu (OSD) to Graphics or Video, depending on the application.

Note: Any changes you make are automatically saved when you move to another menu item, exit the OSD menu, or wait for the OSD menu to automatically close. Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer. Unplug and replug the power cable from the power adapter to allow auto‑recalibration of the touch module. A few permanently bright or dark pixels are considered normal by industry standards. The exact number of pixels allowed varies depending on the monitor. Refer to Dell LCD Pixel Guidelines for more details.If the display cannot be detected by the computer, power off/on the monitor or unplug and replug the USB cable. No Video - You are unable to see any display on the screen, able to hear the windows chime but no display is seen. Ports & Connectors - Refer to the User's Guide for your Dell P2418HT monitor for more information on the Ports & Connectors available on your Dell P2418HT monitor.