Wireless Keyboard : Logitech K540

This article provides details on the Logitch K540 wireless keyboard. It covers how to operate the device, as well as common troubleshooting issues and solutions.

Detailed Information

Operation

1. At the top right of the keyboard is a power switch. Make sure the switch has been turned to the 'On' position.
2. Make sure the keyboard is within 30' of the computer/black box.
3. Test the keyboard. If you are running into issues, please see the Common Issues & Solutions section below.

Common Issues & Solutions

"When I type, nothing appears on the screen."

• Make sure the keyboard is turned on.
• Make sure the receiver is plugged into the computer.
• Position the keyboard closer to the receiver to check if there is interference. If something is in front of the receiver, such as a cupboard door, try removing the block to see if that improves the signal.
• Check that the batteries are in the right orientation.
• Change out the batteries. Call ITMS if you need batteries.

"When I type, the typing is slow to appear on screen."

• Position the keyboard closer to the receiver to check if there is interference. If something is in front of the receiver, such as a cupboard door, try removing the block to see if that improves the signal.
• If the computer itself is slow, it is likely an underlying issue with the computer and not the keyboard.

"When I type, it isn't picking up all of the letters." or "Sometimes it types multiple letters that I didn't hit"

• Position the keyboard closer to the receiver to check if there is interference. If something is in front of the receiver, such as a cupboard door, try removing the block to see if that improves the signal.
• Change out the batteries. Call ITMS if you need batteries.
• If the computer itself is slow, it is likely an underlying issue with the computer and not the keyboard.

Specifications

• Part Number
  • 920-008671
• Dimensions
  • Height: 7.62 in / 193.5 mm
  • Width: 18 in / 457.3 mm
  • Depth: 0.94 in / 24 mm
  • Weight: 22.33 oz / 633 g (without batteries)
• Battery
  • 2 AA
  • Approx. 36 month battery life
• Compatibility
  • Windows 7 or later
  • Chrome OS
• Connection
  • Logitech Unifying Protocol (2.4 GHz)
  • Wireless Range: Approx. 33 ft / 10 m

Environment

• Classrooms
• Classroom PCs
• Peripheral Devices