Sandstrom S413X, Quick Start Manual, Page: 9 / 60

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Hints and Tips
Keyboard not working:
1. Have the batteries been inserted incorrectly or are they spent?
Check the polarity (+/-) and exchange them for new ones as necessary.
2. Make sure the USB Receiver is plugged into a USB and the computer
is on.
3. Remove metallic objects between the keyboard and the USB Nano
receiver.
4. If the Nano receiver is plugged into a USB hub, try plugging it directly
into the computer.
5. Move the keyboard closer to the receiver
6. Turn off the keyboard and remove the USB receiver. Plug in the USB
receiver and turn the keyboard back on, press and hold the Connect
button.
7. Restart the computer.
Bios Setting
The Wireless Keyboard’s space-saving design requires the dual alpha/
numeric function of certain keys. Since the numeric keypad feature is
controlled by the Num Lock key, an inconvenient situation will occur when
using a computer that automatically enables the Num Lock key with each
boot up. Refer to the following solutions:
1. If your computer’s BIOS setup utility has Num Lock option, set it to
OFF/Disabled.
2. If your computer’s BIOS setup utility does not have a Num Lock option,
press the Fn+NumLock keys to turn off the numeric keypad after each
boot up.
Please read your system’s user manual to change your BIOS setting.
S413X_IB_7L_120416.indb 9 19/04/2012 12:12 PM