7 TROUBLESHOOTINGFOR WINDOWS 3.XThis chapter explains how to isolate and solve problemsthat may occur when you install the 3C509B NIC in a PCrunning 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” onpage 25. Check the connectors. Examine the cable for obvioussigns of damage, wear, or crimping. Substitute a knownworking cable. Check whether the NIC software is correctly installed.See Chapter 4. Make sure the drivers installed are correct for thenetwork operating system you are running (see“Installing Other Supported Network Drivers” onpage 84).If the problem persists, go to related procedures in thischapter or see Appendix C, “Technical Support.”Diagnostic Testing Under Windows 3.xThe Configuration and Diagnostics Program, onEtherDisk diskette 2, includes the diagnostics programused for DOS, Windows 3.x, and Windows forWorkgroups. Run the diagnostic tests after installingthe 3C509B NIC to check overall NIC operation and toisolate failures. After the NIC is installed, if the default testsdo not isolate the problem, tailor the test parameters toaccommodate your specific situation.Do not run diagnostic tests with device drivers or memorymanagers installed.
