Product Specific Problems; Universal Serial Bus (Usb) Specific Problems - Dell P2016 User Manual

Product Specific Problems

Specific
Symptoms
Screen image is
too small
Cannot adjust the
monitor with the
buttons on the
front panel
No Input Signal
when user
controls are
pressed
The picture does
not fill the entire
screen

Universal Serial Bus (USB) Specific Problems

Specific
Symptoms
USB interface is
not working
High Speed USB
2.0 interface is
slow.
What You Possible Solutions
Experience
Image is centered • Check the Aspect Ratio setting in the Display menu
on screen, but
does not fill entire • Reset the monitor to factory settings.
viewing area
OSD does not • Turn off the monitor, unplug the monitor power cable,
appear on the
screen • Check whether the OSD menu is locked. If yes, press
No picture, the • Check the signal source. Ensure the computer is not
LED light is white
• Check whether the signal cable is plugged in properly.
• Reset the computer or video player.
The picture • Due to different video formats (aspect ratio) of DVDs,
cannot fill the
height or width of • Run the built-in diagnostics.
the screen
What You Possible Solutions
Experience
USB peripherals • Check that your monitor is turned ON.
are not working • Reconnect the upstream cable to your computer.
• Reconnect the USB peripherals (downstream
• Switch off and then turn on the monitor again.
• Reboot the computer.
• Some USB devices like external portable HDD require
High Speed USB • Check that your computer is USB 2.0-capable.
2.0 peripherals • Some computers have both USB 2.0 and USB 1.1 ports.
working slowly or
• Reconnect the upstream cable to your computer.
not working at all
• Reconnect the USB peripherals (downstream
• Reboot the computer.
OSD.
plug it back, and then turn on the monitor.
and hold the button beside the power button for 6
seconds to unlock (for more information, see Lock).
in the power saving mode by moving the mouse or
pressing any key on the keyboard.
Re-plug the signal cable if necessary.
the monitor may display in full screen.
connector).
higher electric current; connect the device directly to
thecomputer system.
Ensure that the correct USB port is used.
connector).
Troubleshooting | 47