Universal Serial Bus (USB) Specific Problems

Specific

What You

Possible Solutions

Symptoms Experience

USB interface is

USB peripherals

not working

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

High Speed USB

USB 2.0

2.0 peripherals

interface is

working slowly or

slow

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.

52 Troubleshooting

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Dell P2214H/P2414H manual Universal Serial Bus USB Specific Problems, Specific What You, Symptoms Experience