ASRock E3C226D2I nic not found/gone bad

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   I had a ASRock itx board in a small itx case that I use as a home vmware host.  The motherboard is a E3C226D2I.  One day the machine crashed and I rebooted it. After the reboot one of the onboard nics now lights up the yellow light all the time its plugged into power.  It lights up when a cable is plugged in or not.  Also I have tried both vmware and linux booted on it and nether can see that port.  The box is on a battery backup and none of the other equipment on the battery backup is showing any issues.  It just died one day during a crash I guess.  The board is only like 6 months.  I would have thought a board of this caliber (being a small server board) would have lasted longer than this.  Any ideas?
Wayne  

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Praetorian Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Oct 2015 Status: Offline Points: 3	Post Options Post Reply Quote Praetorian Report Post Thanks(0) Quote Reply Topic: ASRock E3C226D2I nic not found/gone bad Posted: 07 Oct 2015 at 10:07am
	I had a ASRock itx board in a small itx case that I use as a home vmware host. The motherboard is a E3C226D2I. One day the machine crashed and I rebooted it. After the reboot one of the onboard nics now lights up the yellow light all the time its plugged into power. It lights up when a cable is plugged in or not. Also I have tried both vmware and linux booted on it and nether can see that port. The box is on a battery backup and none of the other equipment on the battery backup is showing any issues. It just died one day during a crash I guess. The board is only like 6 months. I would have thought a board of this caliber (being a small server board) would have lasted longer than this. Any ideas? Wayne

Xaltar Members Profile Send Private Message Find Members Posts Add to Buddy List Moderator Group Joined: 16 May 2015 Location: Europe Status: Offline Points: 22793	Post Options Post Reply Quote Xaltar Report Post Thanks(0) Quote Reply Posted: 07 Oct 2015 at 12:47pm
	There are numerous factors that can shorten the lifespan of a NIC, most commonly a bad connection. If the cable connected to it has an intermittent short or bad contact it can cause voltage irregularities that will eventually cause the NIC to fail. Other culprits are, power surge via the LAN cable such as lightning or excessive power into a router/switch which can feed into the LAN cables. Both of the above situations could cause a system crash though a surge is more likely to cause the symptom you described. These are the external factors that can cause an NIC to fail. Internal failure risks come from the usual culprits. A bad power supply can provide too much or too little power to the NIC and cause failure. Poor contact in the NIC port itself can cause the same issue I mentioned above with bad cables. Far more rarely it can be caused by poor design and power delivery on the board itself though this is very rarely the case and in most cases this kind of failure only happens after a year or more of use. How long is the warranty on your board? In most cases the warranty is at least a year so if that is true for your system I would RMA it and get a replacement/repair. The advantage of your particular situation is that it is rarely blamed on the end user If the problem was caused by a surge then the NIC may be repairable as most newer boards have a fuse for each of the NICs to protect the rest of the system in the advent of a surge. Good luck