Compaq N150 Series manual Hardware Guide

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Battery Packs

a.Turn on or restart the computer. Press F10 during system startup to run the PhoenixBIOS Setup Utility (PSU). From the Security menu in PSU, enable “Battery Calibration.” Save your setting and select exit from PSU.

b.Restart the computer and allow the battery pack to charge until the battery charge light turns off. After the battery light or the icon turns off, unplug the AC Adapter.

Steps 2 through 4 prevent the computer from entering Standby. Follow these steps to drain the battery pack faster.

2.On the Windows taskbar, select Start > Settings > Control Panel.

3.Select the Power Management icon > Power Schemes tab.

4.From the Running on Batteries column:

a.In the Turn Off Monitor, select Never.

b.In the Turn Off Hard Disk, select Never.

c.In the System Standby, select Never.

5.Select OK to close the Power Management Properties box.

Power Management functions are now disabled. If you want to use the computer during calibration, save your information often to prevent loss.

6.Let the battery pack drain until the computer reaches Hibernation and turns off.

7.Plug in the AC adapter. Restart the computer.

8.Return to the Power Management Properties dialog box under Control Panel and reenter the Power Savings settings to the desired level.

9.Allow the battery pack to fully charge.

The battery is now calibrated.

Hardware Guide

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Contents Hardware Guide Hardware Guide First Edition May Part Number Contents Battery Packs Computer Upgrades and Add-Ons Index Setting Up the Hardware Hardware and Software SetupInstalling the battery pack Connecting the AC Adapter and power cord Opening the computer Turn on the computer by pressing the power button Completing Initial Setup Setting Up the SoftwareInstalling Optional Applications After Software SetupHardware and Software Setup Front Components Look at the ComputerComponent Function Front ComponentsTop Components Top ComponentsTop Components Top Component Lights Top Component Lights Right Side Component Right Side ComponentLeft Side Components Left Side ComponentsComponentFunction Rear Panel Components Rear Panel ComponentsLook at the Computer Bottom Components Bottom ComponentsBottom Components Additional Standard Components Additional Standard ComponentsAdditional Standard Components Keyboard and Pointing Devices Using the TouchPadHotkey Quick Reference Using HotkeysHotkeys Switch Display and Image Fn+F3Initiating Standby Fn+F4 Enabling the Numeric Keypad Using the Embedded Numeric KeypadDisabling the Numeric Keypad Using the Easy Access ButtonsConverting the Numeric Keypad Keys to Standard Keys Identifying the Easy Access buttons Charging Battery Packs Battery PacksReplacing the Primary Battery Pack Using a New Battery PackRemoving the battery pack Installing or Removing the Optional Media Bay Battery Pack Removing a Media Bay device Calibrating the Battery Using the Battery Quick Charge CheckHardware Guide Recycling a Used Battery Pack Storing a Battery PackCaring for Drives DrivesRemoving and Inserting the Hard Drive Inserting or Removing a Media Bay Drive Connecting the Optional External Diskette Drive Inserting and Removing a Diskette Removing and Inserting Storage MediaInserting a Disc into the CD or DVD Drive Removing a Disc from the CD or DVD Drive Viewing the CDChanging the Startup Sequence Audio Using Audio FeaturesAudio Components Connecting to the Stereo Line-Out/Headphone JackConnecting to the Stereo Line-In Jack Adjusting VolumeExternal Device Connections Connecting an External Keyboard or Pointing DeviceConnecting a Serial Printer Connecting an External MonitorConnecting Infrared Equipment Connecting a Parallel PrinterInfrared Connection Guidelines Enabling the Infrared Port Infrared Configuration GuidelinesConnecting a Modem or NIC Cable Connecting USB EquipmentHardware Guide Using the Security Slot Before Removing or Installing Components Computer Upgrades and Add-OnsUpgrading Memory Removing and Inserting a Memory Expansion Board Removing a memory expansion board Replace the memory cover and reinstall the screws Configuring a PC Card Adding and Using PC CardsInserting a PC Card Conserving Energy Removing a PC CardInstalling Additional Device Drivers Adding Wireless DevicesMedia Bay Devices Battery PacksUpgrading the Hard Drive Regulatory Agency Series Numbers SpecificationsAgency Series Numbers Operating Environment Computer DimensionsPort and COM Port Settings Rated Input PowerCommunications Communications SpecificationsTemperatures Power Requirements Power Management Using the PhoenixBIOS Setup UtilityComputer Utilities Timeout Settings Enabling Power SavingsSetting Standby Security Hibernation10-4 Index Index-2 Products Reference Library CD-ROM2-15 Modem cable internal modem models only 2-14,2-15 Safety & Comfort Guide. See Index-6 Index-7