Description
With the smart power on function enabled, you can turn on the computer or wake it up from hibernation mode by pressing Alt+P on the keyboard. However, this function does not work if your computer is not compatible with the Lenovo Professional Wireless Keyboard. To solve this problem, download the Lenovo Super IO (SIO) Firmware Update Utility from the Lenovo Support Web site to update the firmware on your computer:


Delivering sharp, high-quality A3 output with the speed, versatility and footprint of an A4 device, the B840 offers low running costs and low total cost of ownership, bringing versatile A3 mono printing to small and medium workgroups.
No learning curve involved. You will enjoy the comfort and simplicity of a traditional full-size keyboard layout from day one.