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HP 2512EU, 2186AF, 2182US, 2509 Serial, parallel, and USB problems, If a serial mouse doesn’t work

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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Troubleshooting and Maintenance

Troubleshooting Your Notebook

Serial, parallel, and USB problems

If a serial mouse doesn’t work

•Make sure you followed the manufacturer’s installation instructions completely and have installed the mouse properly. If not, repeat the procedure.

•Make sure the port connection is secure.

•Restart the notebook. Select Start > Turn Off Computer > Restart.

•Check mouse settings in Control Panel. Select Start > Control Panel > Printers and Other Hardware > Mouse.

•Use a mouse that connects to the USB or PS/2 port. If you have a PS/2 keyboard connected, use a PS/2 Y adapter.

•Check the port settings in Control Panel. Open the hardware Device Manager, and then double-click Ports (COM & LPT).

If a serial modem doesn’t work properly

•Make sure the port connection is secure.

•Use the Modem troubleshooter in Windows Help. Select Start > Help and Support.

•In Control Panel, open Phone and Modem Options, and check the modem settings.

•Disable the internal modem:

1.Open the hardware Device Manager. Select Start > Control Panel > Performance and Maintenance > System.

2.Double-click Modem to list the current modem devices.

3.Double-click the internal modem, and then select the option to disable the modem.

•Check the port settings in Control Panel. Open the hardware Device Manager, and then double-click Ports (COM & LPT).

If the serial or parallel port is not working

•Make sure the port connection is secure.

•Check the port settings in Control Panel. Open the hardware Device Manager, and then double-click Ports (COM & LPT).

80 Reference Guide

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HP 2512EU Serial, parallel, and USB problems, If a serial mouse doesn’t work, If a serial modem doesn’t work properly

Contents

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