NOTE: You can define the primary behavior of function keys in the Function Key Behavior menu of the BIOS setup 
program.
Table 18. Secondary tasks of keyboard keys
Key combination for task What the task does
fn and F1 Operating system and application-specific F1 behavior
fn and F2 Operating system and application-specific F2 behavior
fn and F3 Operating system and application-specific F3 behavior
fn and F4 Operating system and application-specific F4 behavior
fn and F5 Operating system and application-specific F5 behavior
fn and F6 Operating system and application-specific F6 behavior
fn and F7 Operating system and application-specific F7 behavior
fn and F8 Operating system and application-specific F8 behavior
fn and F9 Operating system and application-specific F9 behavior
fn and F10 Operating system and application-specific F10 behavior
fn and F11 Operating system and application-specific F11 behavior
fn and F12 Operating system and application-specific F12 behavior
Keys with alternate characters
There are other keys on your keyboard with alternate characters. The symbols that are shown at the bottom of these keys 
are the main characters that are displayed when the key is pressed; the symbols that are shown at the top of these keys are 
displayed when the key is pressed with the shift key. For example, if you press 2, 2 is displayed; if you press Shift and 2, @ is 
displayed.
Camera
The following table lists the camera specifications of your Precision 3590.
Table 19. 
Camera specifications
Description Values
Number of cameras
One
Camera type
● FHD RGB camera
● FHD RGB+IR camera
● FHD RGB+IR camera with Ambient Light Sensor, Express 
Sign-In with Presence Detection and Intelligent Privacy
Camera location
Front camera
Camera sensor type
CMOS sensor technology
Camera resolution:
Still image
2.07 megapixel
Video
1920 x 1080 (FHD) at 30 fps
Infrared camera resolution:
Specifications of Precision 3590 25