Table 8-3Computer Setup—Security (continued)

Selecting HP Keys causes the computer boot using the preloaded HP-specific boot keys.

Default is HP Keys.

●Fast Boot—Enable/Disable. Fast boot disables the ability to interrupt boot, such as pressing f keys to access items before the operating system loads. Default is disabled.

NOTE: If Windows 8 detects a serious error, it will interrupt the boot process automatically and display advanced boot options.

From Windows 8, you can press Shift and select Restart to access the screen that lets you boot to a device or troubleshoot your computer.

Computer Setup—Power

NOTE: Support for specific Computer Setup options may vary depending on the hardware configuration.

Table 8-4Computer Setup—Power

Option

Description

 

 

 

OS Power

● Idle Power Savings—Extended/Normal. Allows certain operating systems to decrease the

Management

processors power consumption when the processor is idle. Default is extended.

 

● Runtime Power Management— Enable/Disable. Allows certain operating systems to reduce

 

processor voltage and frequency when the current software load does not require the full

 

capabilities of the processor. Default is enabled.

 

● Unique Sleep State Blink Rates—Enable/Disable. This feature is designed to provide a visual

 

indication of what sleep state the system is in. Each sleep state has a unique blink pattern.

 

Default is disabled.

 

NOTE: For Windows 8 systems with Fast Boot support, a normal shutdown goes to the S4

 

state, not the S5 state.

 

◦

S0

(On) = Solid white LED.

 

◦

S3

(Stand By)= 3 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds

 

 

(white LED) — repeated cycles of 3 blinks and a pause.

 

◦

S4

(Hibernation)= 4 blinks at 1Hz (50% duty cycle) followed by a pause of 2 seconds

 

 

(white LED) — repeated cycles of 4 blinks and a pause.

 

◦

S5

(Soft Off) = LED is off.

 

 

 

 

190 Chapter 8 Computer Setup (F10) Utility