HP LW923AW manual Specifications, Input power Rating

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9 Specifications

●Input power

●Operating environment

Input power

The power information in this section may be helpful if you plan to travel internationally with the computer.

The computer operates on DC power, which can be supplied by an AC or a DC power source. The AC power source must be rated at 100–240 V, 50–60 Hz. Although the computer can be powered from a standalone DC power source, it should be powered only with an AC adapter or a DC power source supplied and approved by HP for use with this computer.

The computer can operate on DC power within the following specifications.

Input power	Rating

Operating voltage and current	19.5 V dc @ 6.15 A - Slim 120W
	– or –
	19.5 V dc @ 7.7 A - Slim 150W
	– or –
	19.5 V dc @ 10.3 A - Slim 200W

NOTE: This product is designed for IT power systems in Norway with phase-to-phase voltage not exceeding 240 V rms.

NOTE: The computer operating voltage and current can be found on the system regulatory label.

62 Chapter 9 Specifications

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Contents Getting Started Product notice Software termsSafety warning notice Iv Safety warning notice Table of contents Maintenance Contacting customer support Labels Viii Welcome Finding informationFinding information Select Start All Programs HP HP DocumentationFinding information Getting to know your computer TouchPad TopComponent Description Lights Buttons and fingerprint reader Security Power OptionsSystem and Maintenance Power Options Windows 7 -Select Start Control Panel SystemGetting to know your computer Keys Esc keyFront All Programs SRS Premium Sound Right Left To use the webcam, select Start All Programs HP DisplayHP Webcam Rear Bottom Bottom Using an Internet service provider ISP NetworkingConnecting to a wireless network Connecting to an existing WlanSetting up a new Wlan network Configuring a wireless router Getting started HP QuickWebStarting HP QuickWeb Button Behavior Identifying the hotkeys Using the keyboardKeyboard and pointing devices Hotkey combination DescriptionUsing keypads Hotkey combinationUsing the integrated numeric keypad Using the pointing stick Using pointing devicesSetting pointing device preferences Using the TouchPadTurning the TouchPad off and on Selecting Scrolling Rotating Maintenance Inserting or removing the batteryPage Removing or replacing the bottom cover Removing the bottom coverReplacing the bottom cover Replacing or upgrading the hard drive Removing a hard driveInstalling a hard drive Page Replacing a drive in the upgrade bay Replacing a hard drivePage Replacing an optical drive Page Adding or replacing memory modules Page Adding or replacing memory modules Page Page Page Page Using the DreamColor display select models only Updating programs and driversWindows Backup and recoveryBacking up your information Performing a system recovery Select Start All Programs Maintenance Backup and RestoreUsing the Windows recovery tools Using a Windows 7 operating system DVD purchased separately Windows Vista Performing a recovery Using f11 recovery tools Follow the on-screen instructions Backup and recovery Customer support Contacting customer support Labels ComponentInput power SpecificationsInput power Rating Operating environment Symbols/Numerics IndexSIM DVD