1, it may be because the wireless keyboard is used for too long, the battery installed in the keyboard is exhausted, and the battery needs to be replaced.
2, wireless signal interference Wireless keyboard is 2.4Ghz wireless frequency band, which has Bluetooth wifi digital cordless phone, may interfere with him. If so, try a different Angle and see if it improves.
3, wireless keyboard placed for a few minutes do not use will enter the standby mode (power saving) This time to press the first may have a \"failure\" situation.
4, can be tested on other computers to see whether it is OK, if other computers can, then enter the BIOS there is a LoadFail-SafeDefault or LoadOptimizedDefault, restore the default Settings. If it doesn't work on other computers, take a look at the wireless keyboard and mouse model and check the manual.
1. Detect whether the battery is short of power, insufficient power will affect a series of problems such as voltage and signal.
2, the battery is no problem, but still not, then restart the computer, in the process of restart unplug the USB receiver, after the computer into the system, plug into another USB port should be on the line.
3. It is recommended that the USB receive is not plugged into the USB HUB. Because the voltage on the HUB is not enough, there are often problems, and it must be inserted in the native USB interface of the motherboard.
4. Of course, there are some instruments that interfere with the signal of the wireless keyboard, the wireless keyboard is generally 2.4Hz wireless frequency band, which if there are some wireless keyboard next to the Bluetooth, cordless phone will interfere with the signal of the wireless keyboard, so move these devices to other places.