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HP 2161US, 2186AF, 2182US, 2182AT, 2182AF, 2181AF, 2180EA, 2180AF, 2180CA Batteries and Power Management

Models: 2547EA 2552AI 2541AH 2543AH 2561AI 2560AI 2522EU 2526EU 2528CL 2529AH 2530EA 2136AD 2137AD 2129AD 2133AD 2155AE 2146AD 2105EU 2110EU 2101AH 2121EU 2506EU 2167AE 2171AF 2165AE 2159AD 2547AI 2546AI 2539AH 2562AH 2555EU 2525AP 2515EU 2538AH 2139AD 2140EA 2127AD 2131AD 2141AD 2153AE 2148AD 2104EU 2108EU 2116AH 2507EU 2507AT 2168AF 2169EA 2170AF 2173AE 2180CA 2180EA 2550AI 2562AI 2568AI 2524AH 2524EU 2518AI 2135EU 2140AD 2135AD 2128US 2153AD 2155AD 2146AE 2106EU 2107US 2112EU 2111AH 2100Z 2511AH 2513AH 2503EA 2170CA 2172US 2165EA 2158EA 2161EA 2162AF 2164AF 2174AF 2182US 2545EU 2554AH 2553AH 2569AI 2554AI 2558EU 2520AI 2518EU 2515EA 2516AI 2535AH 2537AH 2532AI 2127EA 2128EA 2128AD 2151AE 2153EA 2149AD 2147AE 2103EU 2119EU 2501AL 2503AT 2169AF 2171EA 2180AF 2549AH 2563AI 2556AI 2519EU 2528AH 2134AD 2149EA 2151EU 2108CL 2108US 2103FD 2123AD 2125AD 2115AH 2115EU 2157AD 2510AH 2500 (DP662AV) 2502AT 2170AE 2161AE 2175CA 2178AF 2178EA 2182AT 2550AH 2549AI 2542AI 2543AI 2553AI 2558EA 2559EU 2527AI 2513EU 2517EU 2535AI 2530AP 2513EA 2150EU 2154AD 2144AD 2145EA 2147EA 2103US 2122EA 2156AD 2512AT 2505LA 2504AT 2172AE 2160AE 2163AF 2186RS 2547AH 2540AH 2554EA 2555AI 2527AH 2533EU 2534EU 2528AT 2528EU 2529CL 2138AD 2150AE 2145AD 2120AD 2117EU 2114EU 2116EA 2157EA 2513AI 2167AF 2160AD 2199CA 2179AF 2549EU 2546AH 2541AI 2556EU 2557AI 2559AI 2523AI 2517EA 2529AI 2529EU 2530EU 2531EU 2514AI 2139EA 2143AD 2148AE 2101EA 2113AH 2118AD 2506AT 2505AT 2171AE 2165AF 2174AE 2188CL 2176AF 2176RS 2186AF 2551EU 2540AI 2566AH 2557AH 2522AI 2521AI 2525AI 2515AI 2516AT 2526AI 2533AI 2534AH 2535EU 2536AH 2537EU 2150US 2149AE 2112AH 2510EU 2512EU 2166AF 2173AF 2161US 2190US 2199US 2551AH 2542AH 2544AI 2568CL 2555AH 2556AH 2520AH 2520AP 2525US 2536AI 2531AI 2127EU 2150LA 2110AH 2121EA 2123EU 2509EU 2500 (DP663AV) 2166AE 2162US 2175AE 2195US 2175AF 2177AF 2552EU 2552EA 2552AH 2541EU 2566AI 2560AH 2518EA 2514EU 2537AI 2532AH 2530AH 2531AH 2533AH 2131EU 2152AE 2154AE 2145AE 2146EA 2104US 2122AD 2125EU 2113EU 2509 2511AI 2500AP 2502AP 2168AE 2164AE 2175EA 2178CL 2182AF 2551AI 2548AH 2561US 2560EA 2521AH 2524AI 2534AI 2155EA 2122EU 2124EU 2124AD 2119AD 2508AT 2510AT 2511AT 2505AP 2166EA 2160US 2163AE 2163EA 2184AF 2521EU 2530AI 2104EA 2102FD 2111EU 2508EU 2505EU 2164EA 2565EA 2561AH 2539AI 2523EU 2526AH 2538AI 2156AE 2126EU 2100 (Intel) 2120EU 2123EA 2116EU 2118EU 2509AT 2511EU 2168EA 2161AD 2175US 2181AF

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Batteries and Power Management

Reference Guide 29

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HP 2161US, 2186AF, 2182US, 2182AT, 2182AF, 2181AF, 2180EA, 2180AF, 2180CA, 2179AF, 2178EA, 2178CL Batteries and Power Management

Contents

Compaq Notebook Series Reference Guide Ii Reference Guide Important Safety Information Iv Reference Guide Software Product License Agreement Reference Guide Vi Reference Guide Contents Batteries and Power Management Index Getting Started with Your Notebook Series 2100 and N1050v Identifying Parts of the Notebook Identifying Parts of the Notebook Mini-PCI cover no user parts inside Series Identifying Parts of the Notebook Identifying Parts of the Notebook Battery status Power modeStatus Lights Hard disk drive activity Identifying Parts of the Notebook Insert the battery Setting Up Your Notebook Connect AC power Connect a phone line Turn on the notebook Set up WindowsHint Basic Operation Power mode To enter this mode Function Default power settingsStandby -Power Operating Your Notebook To change the boot device To reset the notebook To use the TouchPad This hot key Does this To use the function hot keys To program a One-Touch button To use the One-Touch buttons To use the ALT GR key To use the Windows and Applications keysThis key combination Does this Could stop responding and you could lose data Using CDs or DVDs To create or copy CDs To play DVD movies Securing Your Notebook To set up password protectionTo lock your notebook Windows To protect against viruses To attach a security cable Hard disk drive To lock the hard disk drive To protect your hard disk drive Taking Care of Your NotebookTo maintain your notebook To clean your notebook To safeguard your dataTo extend the life of the display Batteries and Power Management How the notebook manages power automatically Managing Power ConsumptionInformation that was not saved will be lost Unsaved data if the notebook battery runs down completely Changing timeout settings and creating power schemes To check battery status Using Battery PowerTo respond to a low-battery warning To get the most from your batteries To recharge the battery Using Battery Power Modem and Network Connections Telephone line type prior to connecting your phone line Using the Modem Special restrictions in certain countries To change your modem settings Connecting to a Local Area Network LAN Connecting to an Existing Wireless Network Making Wireless Network Connections select models onlyTo prepare for connections Creating a New Notebook-to-Notebook Network Ad Hoc Individual wireless functions Purchase a license before using the wireless functionTurning on communication and making a connection Turning off communication and ending a connection To turn Bluetooth communication on and off Making Wireless Bluetooth Connections select models onlyTurning on Bluetooth communication Function Turning off Bluetooth communication To prepare for Bluetooth connections Sharing files with another Bluetooth device FTP To send or receive files using BluetoothSending Outlook data to another Bluetooth device OPP Add-On Devices Connecting PC Cards To insert or remove a PC Card Connecting External DevicesInserting a PC Card Connecting External Devices Audio recorder Series 2100 and N1050v External microphone connector pinkThese jacks may damage the notebook Replicator Switching the display to the external monitor Connecting an external monitorAdjusting monitor resolution and other settings To use an external monitor To connect an Ieee 1394 device select models only Using dual display mode To connect an infrared device select models only Using the infrared portPrinting to an infrared printer Transferring files through an infrared connection To use a port replicator select models only To dock to the port replicator To undock from the port replicator To install a RAM expansion module Installing Additional RAM MemoryBack of the notebook Series 2100 To remove a RAM expansion module Installing Additional RAM Memory To replace the hard disk drive Replacing the Hard Disk Drive To replace the hard disk drive holder To prepare a new hard disk drive Troubleshooting and Maintenance Audio problems Troubleshooting Your NotebookIf no sound is audible If sound does not record If you can’t boot from a CD or DVD CD-ROM and DVD problemsIf you get a Region Code error when playing a DVD movie If a DVD plays erratically Display problems If an external display does not work Hard disk drive problemsIf the notebook hard drive doesn’t spin If the hard disk makes a buzzing or whining noise Infrared problems Heat problemsIf you have problems with infrared communications If the notebook gets abnormally hot If the pointer is difficult to control Keyboard and pointing device problemsIf the TouchPad doesn’t work If the TouchPad moves the pointer or cursor while you type If the built-in network adapter doesn’t connect to the LAN Local area network LAN problemsIf you can’t log in to Netware servers If a network connection responds slowly Modem problems Memory problems If the modem dials incorrectly If the modem doesn’t dial or no dial tone is detectedIf the modem dials but doesn’t connect If the modem isn’t detected If the modem dials but you can’t hear it If the modem causes an Error messageIf the modem connects, but transferred data is bad If the modem doesn’t fax Performance problems PC Card Pcmcia problems If the notebook stops responding Power and battery problemsIf the notebook turns off immediately after it turns on If the notebook keeps beeping If the Time Remaining for the battery is not correct If the battery doesn’t chargeIf the notebook has a short operating time Printing problems If a serial mouse doesn’t work Serial, parallel, and USB problemsIf a serial modem doesn’t work properly If the serial or parallel port is not working Startup problems If you have problems with wireless 802.11 communication Wireless problems If your notebook cannot detect a certain Bluetooth device If your notebook cannot detect any Bluetooth devicesIf you can connect, but the network is slow To run the Bios Setup utility Configuring the Notebook Main Menu Setting Description Default Security Menu To change video memory settings using Bios Setup utility To replace a damaged QuickRestore System Recovery CD Reinstalling and Updating Software Reference Information Modem Reference Information Command ConexantModem Reference Conexant G ,h ,i G,h +MCR ECC Commands +FMR AT* Commands Code Meaning Register Function Conexant Range/units Default Power Cords Safety InformationCountry or Region Rated Voltage and Current Laser Safety Battery Safety Mercury Safety LED Safety Exposure to Radio Frequency Radiation Connections to Peripheral Devices Regulatory Information Regulatory Information Declaration of Conformity U.S.A CanadaResponsible Party Trade name European Union Regulatory Information Japan Telecommunications Approval Japan Conexant AMC20493-KT5 Data Fax Modem PTC 211/02/071 New Zealand PTC200 7.5.2 3 4 Ringer Sensitivity Russia International EMC Index QuickRestore System Recovery USB