NlC is conflicting with other NIC on network. In this case, IP address used by your computer is already assigned to some other computer on network. Check what all IP addresses are free to use and then assign one such IP address. The new IP address must have network ID of your network, otherwise no communication could take place with other computers.

1. The NIC is conflicting with an installed adapter:

In this case. chances are that there are other resource conflicts between the two devices. Configure NIC and SCSI adapter to use different interrupts through CMOS. the system configuration utility provided by the system vendor.

2. The NIC driver fails to load. or fails to recognize your NIC:

This is a common problem and is mainly related to PCI bus setup. First of all recheck the card installation and then recheck all the settings of the CMOS. Sometimes PCI bus master feature is disabled by default so check it also.

3. The system hangs at boot up:

This problem occurs after the installation of NIC. So first check the PCI port and make sure that the NIC is fitted properly. CMOS may also need to update. If the problem still persists. there may be hardware problem.

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4. The NIC stopped working when anot,her NIC was added to the computer:

This is the hardware conflict issue between two NICs. Check the resources allocated to each NICs and also check that none of the' card is using the overlapping resources. Check the CMOS. OS and NICs to see that all support "interrupt sharing". If either the CMOS. OS and NICs does not support "interrupt sharing" may need to update that element of the system to fully support additional NICs.

5. See an error such as "RAM size is too large for the RAM base address. Set RAM size to either 16KB or 32KB. Either accept the RAM size selected automatically or select a lower RAM base address so that it may increase the RAM size to a level greater then 32 KB and if the RAM base address is set to afOaaaa or higher, the RAM buffer size must be set to 64KB range.

6. IP security can be used in domains and workgroup:

IP sec protocols are used to protect network from internet and other attacks by using encryption (a method of . providing security) standards. This protects from assigning same IP address to two users and it also protects the resources by permissions and passwords.