HP 1930, 1925, 1915 Power Management Settings, Sleep, Hibernation Mode, Rebooting After a Lockup

press and hold down the Power button for at least four seconds. This will cause a manual shutdown. Press the

Maintenance & Service Guide

Presario 1900 Series

Models: 1900T, 1905, 1906, 1910, 1915, 1919, 1920, 1922, 1925, 1926, 1927, 1928, 1929, and 1930

Before You Begin	Specifications	Parts Catalog
Removal Sequence	Troubleshooting	Battery Operations
Product Description	Pin Assignments	Index

Product Description

Models and

Features

Controls and

Lights

Status Panel Left Side

Components

Right Side Components

Bottom of

Unit

Left Side and

Top Wedge Components

Right Side

Wedge Components

Rear Connectors

Port

Replicator

Connectors

Port

Replicator

Components

Power Management Settings

Compaq Presario 1900 Series Portable Computers are equipped with Advanced Power Management (APM). This management system allows you to conserve battery power and customize the power saving settings to suit your individual needs.

● Power Management Settings

●Sleep

●Hibernation

●Rebooting After a Lockup

●Servicing Your Computer - Full Off Mode

Depending on your patterns of computer use, you can set different conditions, or Power Schemes, under which the computer will go into Sleep mode. The optional settings are Home/Office Desk ,

Portable/Laptop , and Always On .

From the default settings, you can change the following settings.

●When the computer goes into Sleep (Standby) mode

●When the screen times out and goes blank

●When the hard drive slows down

NOTE: The setting for the hard drive must be less than or equal to the setting for the computer.

IMPORTANT: If you are connected to a network, Compaq recommends you set System Standby to Never .

Power Management

Sleep

Sleep mode is a low power mode, also referred to as Standby mode.

CAUTION: While in Sleep mode, your computer will maintain system information and open files. Unsaved information will be lost if you turn off your system prior to system wake- up, or if you lose power while using the AC adapter .

Hibernation Mode

Hibernation mode occurs by pressing the Power button once. Your computer saves the content of your computer memory to the hard drive. This is followed by the computer turning off.

The following table shows the conditions and indicators for getting in and out of the various power modes: Sleep, Hibernation, and Off.

Mode	To Start	To End	Indicators
Sleep	Manual - Fn+F4	Press any key or Flashing Power LED
	key combination	move the
		mouse
	Time-Out Default -
	15 minutes. If using
	battery power, system
	will not go to Sleep if
	on AC power
Hibernate	Manual - Press Power Press Power		No Power LED,
	Button once	button once	blank screen

Time Out Default - if low battery or after 1 hour of Sleep (system will not Hibernate if on AC power)

Off	Perform normal	Press Power	No Power LED,
	Windows shutdown	button once	blank screen
	using the Start
	button, or press and
	hold down the Power
	button for 4 seconds

Rebooting After a Lockup

Occasionally you may encounter a non-working keyboard or a locked screen. To restart your computer,

Power button once to start the computer.

If the computer still does not restart, follow these steps:

1.Press the Power button and hold it for four seconds to shut the computer down.

2.Remove the battery and unplug the AC power for at least 30 seconds.

3.Reinsert the battery or reconnect AC power and press the Power button once to restart.

Full Off (Main Power Off) Mode

If you need to install or replace components in your computer, you must turn the computer off completely . Follow the instructions above for putting the computer into Standard Off mode. Unplug the computer electrical cord from the outlet and remove the battery if installed.