Dell Canvas 27 Users Guide - Page 54

Universal Serial Bus (USB) Specific Problems, Specific, Symptoms, What You, Experience

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Specific Symptoms No Input Signal when user controls are pressed The picture does not fill the entire screen What You Possible Solutions Experience No picture, the LED light is white • 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. • Checking the multiple monitor configuration on the computer. The picture • Due to different video formats (aspect ratio) cannot fill the of DVDs, the Dell Canvas 27 may display in full screen. height or width of • Run the built-in diagnostics. the screen Universal Serial Bus (USB) Specific Problems Specific Symptoms USB interface is not working SuperSpeed USB3.1 Gen 1 interface is slow. What You Possible Solutions Experience USB peripherals are not working • Check that your Dell Canvas 27 is turned ON. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Switch off and then turn on the Dell Canvas 27 again. • Reboot the computer. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system. SuperSpeed USB3.1 Gen 1 peripherals working slowly or not working at all • Check that your computer is USB3.1 Gen 1-capable. • Some computers have USB3.1 Gen 1, USB 3.0, 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. 54 │ Troubleshooting

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54
│
Troubleshooting
Specific
Symptoms
What You
Experience
Possible Solutions
No Input Signal
when user
controls are
pressed
No picture, the
LED light is white
•
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.
•
Checking the multiple monitor configuration on
the computer.
The picture does
not fill the entire
screen
The picture
cannot fill the
height or width of
the screen
•
Due to different video formats (aspect ratio)
of DVDs, the Dell Canvas 27 may display in full
screen.
•
Run the built-in diagnostics.
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 Dell Canvas 27 is turned ON.
•
Reconnect the upstream cable to your computer.
•
Reconnect the USB peripherals (downstream
connector).
•
Switch off and then turn on the Dell Canvas 27
again.
•
Reboot the computer.
•
Some USB devices like external portable HDD
require higher electric current; connect the device
directly to the computer system.
SuperSpeed
USB3.1 Gen 1
interface is slow.
SuperSpeed
USB3.1 Gen
1 peripherals
working slowly or
not working at all
•
Check that your computer is USB3.1 Gen
1-capable.
•
Some computers have USB3.1 Gen 1, USB 3.0,
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.