HP 2506EU, 2500, 2186AF, 2183AF Serial, parallel, and USB problems, If a serial mouse doesn’t work

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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, then select Ports (COM & LPT).

If a serial modem does not 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.Select Modem to list the current modem devices.

3.Select the internal modem, then select the option to disable the modem.

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

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Contents Compaq Notebook Series Reference Guide Reference Guide Second Edition March Part Number Important Safety Information Software Product License Agreement Iv Reference GuideReference Guide Vi Reference Guide Contents Batteries and Power Management Troubleshooting and Maintenance Index Getting Started with Your Notebook Identifying Parts of the Notebook Front panel and right panel componentsCD-ROM, DVD, or other drive Universal serial bus port USB Left panel and back panel components PC Card and CardBus slot and buttons Bottom panel components Identifying Parts of the Notebook Status lights Power modeBattery status Hard drive activityIdentifying Parts of the Notebook Setting Up Your Notebook Insert the batteryConnect 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 NotebookTo reset the notebook To change the boot deviceTouchPad on-off button and indicator light To use the TouchPadTo use the function hot keys This hot key Does thisTo use the One-Touch buttons To program a One-Touch buttonThis key combination Does this To use the Windows and Applications keysTo use the ALT GR key Could stop responding and you could lose data Using CDs or DVDsTo insert or remove a CD or DVD Onto the spindleTo play DVD movies To create or copy CDsTo lock your notebook To set up password protectionSecuring Your Notebook WindowsTo attach a security cable To protect against virusesTo lock the hard drive Hard driveTo maintain your notebook Taking Care of Your NotebookTo protect your hard 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 completelyUsing Battery Power To check battery statusTo get the most from your batteries To respond to a low-battery warningTo recharge the battery Using Battery Power Modem and Network Connections Using the Modem Your telephone line type prior to connecting your phone lineTo change your modem settings Special restrictions in certain countriesConnecting 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 FunctionTo prepare for Bluetooth connections Turning off Bluetooth communicationSending 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 Connecting External Devices Audio ports on your notebook Audio recorderThese jacks may damage the notebook To use an external monitor Connecting an external monitorAdjusting monitor resolution and other settings Using dual display mode To connect an Ieee 1394 device select models onlyPrinting to an infrared printer Using the infrared portTo connect an infrared device select models only Transferring files through an infrared connectionTo use a port replicator select models only To dock to the port replicator Corresponding port on the port replicator is ignoredTo undock from the port replicator Back of the notebook Installing Additional RAM MemoryTo install a RAM expansion module Installing Additional RAM Memory To remove a RAM expansion module Installing Additional RAM Memory Replacing the Hard Drive To replace the hard driveTo replace the hard drive holder To prepare a new hard drive Troubleshooting and Maintenance If no sound is audible Troubleshooting Your NotebookAudio problems If sound does not recordIf 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 erraticallyDisplay problems Hard drive problems Heat problemsInfrared problems Keyboard and pointing device problemsIf the built-in network adapter doesn’t connect to the LAN Local area network LAN problemsIf a PS/2 scroll mouse doesn’t work If you can’t log in to Netware serversMemory problems Modem problemsIf 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 detectedIf 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 faxPC Card Pcmcia problems Performance problemsIf the notebook turns off immediately after it turns on Power and battery problemsIf the notebook stops responding If the notebook keeps beepingIf the notebook has a short operating time If the battery does not chargeIf the Time Remaining for the battery is not correct Printing problems If a serial modem does not work properly Serial, parallel, and USB problemsIf a serial mouse doesn’t work If the serial or parallel port is not workingStartup problems Wireless problems If you have problems with wireless 802.11 communicationIf 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 utilitySetting Description Default Main MenuSecurity Menu To change video memory settings using Bios Setup utility Reinstalling and Updating Software To replace a damaged QuickRestore System Recovery CDReference Information Modem Reference Conexant Command ConexantModem Reference Information G,h,i G,h +MCR ECC Commands AT* Commands +FMRRegister Function Conexant Range/units Default Code MeaningCountry or Region Rated Voltage and Current Safety InformationPower cords Battery safety Laser safetyLED safety Mercury safetyExposure to radio frequency radiation Regulatory Information Connections to Peripheral DevicesRegulatory Information Responsible Party CanadaDeclaration of Conformity U.S.A Trade nameEuropean Union Regulatory Information Japan Japan Telecommunications ApprovalNew Zealand Conexant AMC20493-KT5 Data Fax Modem PTC 211/02/071Russia International EMC Index QuickRestore System Recovery USB
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2547EA, 2552AI, 2541AH, 2543AH, 2542EA specifications

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