Failure phenomena
Pre-installed Windows 8 G480 model, after modifying the Windows 7 system, or using the USB external keyboard to turn on the digital keypad function, typing the original letter number (such as: press the keyboard u,i,o, pop-up digital 4,5,6), can not be enabled by the keyboard fn+f8 NumLock shortcut keys /Turn off the numeric keypad.
Cause analysis
Lenovo G480 preinstalled The Windows 8 System Factory model, the keyboard has been redesigned for Windows 8, the keypad is canceled, and the BIOS does not support the Fn+f8 shortcut key feature.
Solution Solutions
Scenario One: Turn off the small numeric keypad numlock function via the On-screen keyboard
1. Press "Windows Key" + "R" to call up the running window, enter "OSK", because the numeric keypad has been turned on, it is necessary to enter "Fn+o", "S", "fn+k" to bring up the screen keyboard, as shown below:
2. Click "Options" on the On-screen keyboard, as shown below:
3. Tick "Turn on keypad" and click "OK", as shown below:
4. Tap NumLock on the On-screen keyboard to turn on or off the on-screen numeric keypad:
For Windows 7 systems, refer to the Windows 8 system operating methods described above for consistent steps.
Scenario Two: You can turn on and off the small numeric keypad by plugging in the USB external full-size keyboard and using the NumLock button on the external keyboard.
At the same time, in order to avoid the G480 memory number keyboard area is again activated, you need to send the host to the local Lenovo service station, after refreshing the motherboard bios, can completely block this feature.