light is close to the infrared connections.

Interference from other

Keep remote control units

wireless devices.

such as wireless

 

headphones and other

 

audio devices away from

 

the infrared connections

Physical obstruction.

Do not place objects

 

between the two units

 

that will interfere with

 

a line-of-sight data

 

transmission.

Movement.

Do not move either unit

 

during data transmission.

Orientation.

Adjust devices so that

 

they point within 30

 

degrees of each other.

Distance.

Verify that devices are

 

not more than 3 feet

 

(1 m) apart.

===========================================================================

Solving Keyboard/Numeric Keypad Problems

Some common causes and solutions for keyboard/numeric keypad problems are listed in the following table.

Table 2-22. Solving Keyboard/Numeric Keypad Problems

===========================================================================

ProblemProbable CauseSolution(s)

===========================================================================

Embedded numeric

Num Lock function is not

Press the

Fn+NumLk keys

keypad on computer

enabled.

to enable

the Num Lock

keyboard is

 

function and embedded

disabled.

 

numeric keypad. The Num

 

 

Lock icon

on the status

 

 

panel turns on.

---------------------------------------------------------------------------

Embedded numeric

External numeric keypad

Disconnect the

external

keypad is disabled

is connected to the

numeric keypad

from the

and Num Lock

computer.

computer.

 

function is on.

---------------------------------------------------------------------------

Keyboard is locked. You initiated QuickLock. Enter your password to exit QuickLock.

===========================================================================

Solving Memory Problems

Some common causes and solutions for memory problems are listed in the following table.