EEPROM FAILURE DETECTED

I RAN A DELL DIAGNOSTICS TEST ON MY INSPIRON 6400 AND GET ERROR CODE:3800:0788 MSG-NIC-EEPROM FAILURE DETECTED EXPECTED A BOOTSTRAP CHECKSUM OF 009Fh BUT READ 00FCh,00CBh,00FFh,00C8h can someone please tell me how to fix this.Also my touchpad and keyboard sometimes freezes up.thank you