7 Plutonium

Re: Inspiron 7500

 

You have enabled the Numlock Keypad.

The Inspiron 7500 comes standard with an embedded numeric keypad.

 
 
NOTE: The embedded numeric keypad is automatically disabled if an external keyboard or keypad is connected to the computer.

http://support.dell.com/support/edocs/systems/psyd/

 Embedded Numeric Keypad

Embedded Numeric Keypad

As you work, you may want to use the embedded numeric keypad (see Figure 5) to enter numbers into a spreadsheet or financial program. The embedded numeric keypad shares some of the keys on the computer's keyboard. The embedded keypad numbers and symbols are marked on the right of the keypad keys in blue.

Figure 5. Embedded Numeric Keypad

To activate the embedded numeric keypad, press <Num Lock>. The Number Lock indicator lights up.

To deactivate the embedded keypad, press <Num Lock>. The Num Lock indicator is no longer illuminated.

When the embedded keypad is activated, the key combinations in Table 1 temporarily disable specific keypad keys.

Table 1. Activated Keypad Functions

When Keypad Is Activated
(Number Lock Indicator ON)

Function
<Fn><key> Enables the lowercase letter or primary function of that specific key
<Fn><Shift><key> Enables the uppercase letter or shift function of that specific key

To use the embedded arrow keys, ensure that <Num Lock> is off. Press and hold <Fn> and the corresponding key displayed in Table 2.

Table 2. Deactivated Keypad Functions

When Keypad Is Deactivated Function
<Fn><j> Performs the same function as pressing <End>
<Fn><7> Performs the same function as pressing <Home>
<Fn><k> Performs the same function as pressing the down-arrow key
<Fn><8> Performs the same function as pressing the up-arrow key
<Fn><u> Performs the same function as pressing the left-arrow key
<Fn><o> Performs the same function as pressing the right-arrow key
<Fn><.> Performs the same function as pressing <Delete>




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