6 W INDOWS 3.XTROUBLESHOOTINGThis chapter explains how to isolate and solve problems that mayoccur when you install the 3C509B NIC in a PC running DOS,Windows 3.1, or Windows for Workgroups.ChecklistIf you experience problems installing the NIC, first checkthese items: Check the NIC LED, as described in “Link LED” in Chapter 1. Check the connectors. Examine the cable for obvious signsof damage, wear, or crimping. Substitute a knownworking cable. Check whether the NIC software is correctly installed. SeeChapter 4. Make sure the drivers installed are correct for the networkoperating system you are running (see “Installing OtherSupported Network Drivers” in Chapter 4).If the problem persists, go to related procedures in this chapter orrefer to Appendix D, “Technical Support.”Diagnostic Testing Under Windows 3.xThe Configuration and Diagnostic Program, on EtherDisk diskette 2,includes the diagnostic program used for DOS, Windows 3.x, andWindows for Workgroups. Run the diagnostic tests after installingthe 3C509B NIC to check overall NIC operation and to isolatefailures. After the NIC is installed, if the default tests do not isolatethe problem, tailor the test parameters to accommodate yourspecific situation.Do not run diagnostic tests with device drivers or memorymanagers installed.Boot your PC to DOS to avoid installing device drivers ormemory managers.
