Dell P2418HZ User Manual

Also see for P2418HZ: User guide Service manual

Dell P2418HZ User Manual Manual pdf 55 page image

Troubleshooting │ 55Product-specific problemsSpecificSymptomsPossible SolutionsScreen image is toosmall∞ Check the Aspect Ratio setting in the Display settings OSD.∞ Reset the monitor to Factory Settings (Factory Reset) .Cannot adjust themonitor with thebuttons on the frontpanel∞ Turn off the monitor, unplug the power cord, plug it back, and then turnon the monitor.∞ Check if the OSD menu is locked. If yes, press and hold the button on theleft side of the power button for 6 seconds to unlock.No input signal whenuser controls arepressed∞ Check the signal source. Ensure the computer is not in standby or sleepmode by moving the mouse or pressing any key on the keyboard.∞ Check if the video cable is plugged in properly. Disconnect and reconnectthe video cable if necessary.∞ Reset the computer or video player.The picture does not fillthe entire screen∞ Due to different video formats (aspect ratio) of DVDs, the monitor maydisplay in full screen.∞ Run the built-in diagnostics.Universal serial bus (USB) specific problemsSpecificSymptomsPossible SolutionsUSB interface is notworking∞ Check that your monitor is turned On.∞ Reconnect the upstream cable to your computer.∞ Reconnect the USB peripherals (downstream connector).∞ Switch Off and then turn On the monitor again.∞ Reboot the computer.∞ Some USB devices like external portable HDD require higher electriccurrent; connect the device directly to the computer system.Supre Speed USB 3.0interface is slow∞ Check that your computer is USB 3.0-capable.∞ Some computers have USB 3.0, USB 2.0, and USB 1.1 ports. Ensure thatthe correct USB port is used.∞ Ensure that the correct USB port is used.∞ Reconnect the upstream cable to your computer.∞ Reconnect the USB peripherals (downstream connector).∞ Reboot the computer.Wireless USBperipherals stopworking when a USB3.0 device is plugged in∞ Increase the distance between the USB 3.0 peripherals and the wirelessUSB receiver.∞ Position your wireless USB receiver as close as possible to the wirelessUSB peripherals.∞ Use a USB-extender cable to position the wireless USB receiver as faraway as possible from the USB 3.0 port.

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