3Com PC Card manual Troubleshooting, Symptom Solution

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12CHAPTER 2: WINDOWS 95

Using the Device Manager to remove the LAN portion of the card from the Device

Manager will uninstall the card, software and documentation.

Be sure to remove both the LAN interface and the modem.

Troubleshooting

Symptom

Solution

 

 

Basic Troubleshooting, applicable for all

Inspect all cables and connections.

problem situations.

Check whether your card if fully inserted into the slot.

 

 

Verify whether you have the latest BIOS for your system. If not, check the Web

 

site for your computer, download the newest BIOS version, and follow the

 

upgrade instructions.

 

Check for multiple installations of the card.

 

Check whether your system’s PC Card CardBus Controller is installed and

 

running properly: go to Control Panel/System/Device Manager/PCMCIA Card

 

and verify that the controller is present and shows no errors.

 

Check the Control Panel/PC Card application to confirm that your card is

 

recognized by the system.

 

In the Control Panel/Network application, make sure that you have appropriate

 

clients and protocols installed.

 

 

System shows a valid COM-Port setting for

Use the 3Com Modem Setting application in the control panel to change the

the modem, but your application does not

COM port assignment. The default is COM5. Use a lower number if you are

recognize it.

have older software that does not recognize COM ports higher than 4.

 

 

The LAN device is not functional. LED on the

Use Control Panel – Device Manager to inspect the status of your LAN card.

connector is off or mismatches the real

If you see a red X, enable the card and set the Properties.

network speed.

If yo see a yellow exclamation mark, click on the icon to see what the conflict is.

 

 

Verify that there are adequate system resources. Try to free system resources

 

(e.g. disable the infrared port), then remove and reinstall the card.

 

 

After you remove the card from the system

This is normal behavior for Windows with PCI and CardBus cards installed.

and then inserted back – Windows runs

Windows 95 can install one instance of the card for every slot presented in the

installation process again.

system. You will have two instances of the card under the Network and Modem

 

applications in Control Panel. After the second instance is installed – the hot

 

swap from one slot to another will be smooth. Be sure to check your settings

 

under Dial-up Networking and Hyperterminal to ensure that your preferred

 

settings apply to the correct instance of the card.

 

 

The card does not work in your system with

Earlier versions of Windows (Windows 95 and Windows 95a) are not

Windows 95 or Windows 95a

supported. Upgrade your system to Windows 95b (OSR2) or Windows 98.

 

To determine your version of Windows 95, open the Control Panel, select

 

System, and look at System information under the General tab. If your release is

 

identified as version 4.00.950 B, you are using OSR2.

 

 

Losing network connection after

This happens when the frame type is selected automatically. A temporary

disconnecting or changing the media speed

solution is to reboot after disconnecting and reconnecting the cable in NetWare

when using NetWare servers and IPX/SPX

networks. The permanent solution is to use specific frame types such as 802.2

protocol

or 802.3.

 

 

After reboot in Dell Latitude CP the card does

A temporary solution is to remove the card from the slot and then insert it

not come up.

again. For a permanent solution, use the original Dell Windows 95 installation

 

CD or obtain QFE 515, 567 and 599 from Microsoft or Dell. Copy these files

 

into the Windows/System folder.

 

 

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Contents 3Com 10/100 LAN+56K 3Com Corporation Bayfront PlazaSanta Clara, California 95052-8145Contents Diagnostics LAN+Modem Card IdentifyingPorts Inserting Inserting the LAN+Modem CardNetwork Connecting to aCable appropriate for a network connection at your site LED Description Steady OffConnecting the Modem Adapter to the Telephone Line Telephone LineDisconnecting CablesWindows Installing the Network InterfaceAdding Network Software Components Type of Network Component Manufacturer Option to SelectInstalling the Modem Confirming InstallationInstallation Testing the ModemTroubleshooting Symptom SolutionUpdating LAN Drivers DriversUpdating Modem Drivers Page Windows Adding Network Software Components CD-ROM Testing the Modem Uninstalling the Card Windows 95/98 Installation disk Windows NT Windows NT Menu Page Software Settings Setup forHints for Good ConnectionsUsing the Modem Additional Modem Features Redialing Dialing Stored NumbersAT Commands Entering AT CommandsAnswer Mode Dial NumberHook Switch Control Echo CommandsInterrogate Modem Status Verbose mode HandshakingReturn to On-Line State Return Result CodesResult Code Set/Call Progress Connection Result CodesRecall User Configuration Registers Common Registers S10S11 S12S14 S16S18 S19S20 Bit value DTE SpeedUsing the Modem S23 = 1. Storable Registers Using the Modem S34 S33S35 = Disconnect S39 S38S41 Discard all buffered data immediately S49 Analog Modem Registers S52Registers Using the Modem Registers S72 S71S73 First 8 bits. Nonstorable. Default is Modem Troubleshooting COM Port ConflictModem Troubleshooting Page Diagnostics LAN DiagnosticsPage Internet Site FTP Site Bulletin Board SystemPage Warranty and Regulatory Information FCC Declaration Canadian Notice