Problem with network card

I am trying to install a network adapter (I have tried Intel(R) PRO/100+ PCI Network Adapter and Dlink 528 PCI adapter) on a Pentium 133 Mhz PC. However after installation the network adapter status tells me that the driver has not been loaded and the device is not working. I have tried to install it in both Win NT 4.0 and Win 95. I tried changing the PCI slots also. But it doesn't work.
    Additional a diagnostic program provided  with the Intel adapter tells me that the "Loop back test" failed (other tests i.e. Control Register, Cable test, and the Intel 82558 contoller tests are passing). I am not able to understand the meaning of Loopback test also.
    Earliar this PC had been successfully configured with the DLink DE 528 adapter. However for some reason I plugged in a ISA based Texas DSP board. After doing this the netwrok adapters are giving me this problem even if I remove the DSP card. I have tested the network adapters on other PCs and it works fine.
     Is there a possibility that some IRQ clashes could be occuring ? Do I need to check some BIOS settings ? Please advice.

Regards Ganesh
ganeshokadeAsked:
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patrickpeetersConnect With a Mentor Commented:
Boot Windows 95 in safe mode, and remove everything whats standing in control panel - Network Adapters. Then reboot normal and reinstall the drivers for your installed networkcard and normally it should work by itself.
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cgoldfarbCommented:
Is the NIC showing up in your device manager tab?  (go to control panel->System)

If it is, is there an exclamation point or question mark next to it?  Does it report a conflict?

Does windows report more than one NIC?  Perhaps a pre-existing NIC that was never removed from the hardware profile?

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RoadWarriorCommented:
Is there anything connected to the NIC? a lot will fail their tests if there is no cable connected. I usually just stick a coax t-piece and terminator on the back. Loopback will always fail when there is nothing connected.

*grin* this puzzled me for a month until I found out the trick.

regards,

Road Warrior
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