Product Specific Problems

Specific Symptoms

What You Experience

Possible Solutions

Screen image is too small

Image is centered on screen, but does not

 

fill entire viewing area

Cannot adjust the monitor with the buttons OSD does not appear on the screen on the front panel

No Input Signal when user controls are

No picture, the LED light is blue.

pressed

 

Check the Scaling Ratio setting in the Image Setting OSD.

Reset the monitor to Factory Settings.

Turn off the monitor, unplug the power cord, plug it back, and then turn on the monitor.

Check whether the OSD menu is locked. If yes, press and hold the button above the Power button for 10 seconds to unlock (for more information, see Menu Lock).

Check the signal source. Ensure the Computer is not in the power saving mode by moving the mouse or pressing any key on the keyboard.

Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary. Reset the computer or video player.

The picture does not fill the entire screen. The picture cannot fill the height or width

Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.

of the screen

Run the built-in diagnostics.

NOTE: When choosing DVI-D mode, the Auto Adjust function will not be available.

Universal Serial Bus (USB) Specific Problems

Specific Symptoms

What You Experience

Possible Solutions

USB interface is not working

USB peripherals are not working

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 electric current; connect the device directly to the computer

 

 

system.

High Speed USB 2.0 interface is slow.

High Speed USB 2.0 peripherals working slowly or not working at all

Check that your computer is USB 2.0-capable.

Some computers have both USB 2.0 and USB 1.1 ports. Ensure that the correct USB port is used.

Reconnect the upstream cable to your computer.

Reconnect the USB peripherals (downstream connector). Reboot the computer.

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Dell S2740LB, 225-3894 manual Product Specific Problems, Specific Symptoms What You Experience Possible Solutions