Keep other electrical wireless devices away from the USB receiver to avoid interference.
In some cases the receiver signal gets blocked by the computer case, causing a delay. If your receiver is in the back of your computer, it may help to relocate the receiver to a front port.
Move the device closer to the USB receiver.
Verify the product or receiver is connected directly to the computer and not to a hub, extender, switch or something similar.
Try testing the device on a different computer.
Click Start > Control Panel > Hardware and Sound > Power Options > Change Plan Settings > Change Advanced Power Settings > USB Settings > USB Selective Suspend Setting.
Windows only - Disable USB Selective Suspend:.
If using a different USB port works, try updating the motherboard USB chipset driver. If possible, don't use a USB hub or other similar device.
Plug the device into a different USB port on your computer.
Wireless devices: Unifying and non-Unifying devices.
Potential hardware issue (device, batteries or receiver).
Radio frequency (RF) interference from other sources, such as wireless speakers, cell phones, and so on.
Using your wireless keyboard on metal surfaces.
NOTE: Your receiver must be plugged directly into your computer.
Plugging the receiver into a USB hub or other unsupported device such as a KVM switch.
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