HP R4025US, R4000, R4001XX, R4003XX, R4012US, R4127US, R4010US manual See also drives hard drive bay

Index

H

hard drive

affected by airport security 5–1

displaying amount of free space on 8–7

DriveLock 12–13 replacing (primary) 5–2 self-test 13–6

space on, required for hibernation file 8–7

See also drives hard drive bay

identifying 1–13 replacing hard drive 5–2

headphone (audio-out) jack 1–10,4–2,4–7

headphones 4–2

Help and Support Center 3–5hibernation

avoiding when using discs, diskettes 2–9,4–17,5–6

defined 2–6 enabling/disabling 2–7 file space requirements for

8–7

initiated during critical low-battery condition 2–22

initiating 2–6,2–11 restoring from 2–6,2–11 setting preferences 2–13 when to use 2–8

hibernation file 2–6,8–7 hotkey commands

access Help and Support Center 3–5

control media activity (play, pause, stop, etc.) 3–10

decrease display brightness 3–10

display system information 3–11,14–2

increase display brightness 3–10

initiate QuickLock 3–8,12–3

initiate standby 2–12,2–13 open Internet Explorer 3–6 open print options window

3–6

Quick Reference 3–4 switch image 3–7

hotkeys

displaying functions on the screen 3–13

identifying 1–6,3–4 procedures 3–5Quick Reference 3–4 using with external

keyboard 3–11 hub, USB 9–1

humidity specifications 17–1

Index–6 Hardware and Software Guide