1gbps to 100mbps why

Check Cable Rating. Open Control Panel. Change Category View. Open Network and Sharing Center. Troubleshoot Problems. Troubleshoot Network Adapters. Run Troubleshooter. Select Ethernet Adapter. Resolving Problems. Cable Broken or Damaged. Still need help, why not give Driver Support a try? Save yourself time and frustration by leveraging Driver Support machine matching technology provided with your registered service. Select Change Adapter Settings.

If you do not feel and hear this, then this cable should be considered broken, and you need to replace it. Even if you believe that your Ethernet cabling is perfectly fine, and even if this cabling worked fine before, swapping it out for another, proven cable, or a brand new Cat 6 cable, will almost certainly solve the issue with the minimum of troubleshooting and headache.

This is a very, very common occurrence when troubleshooting Gigabit Ethernet, and it nearly always comes down to one cable being the culprit. Note that this includes all cabling between the machine and the router, including any cabling in before and after any switches, or on the other side of any wall jacks, and behind the wall.

The fastest way to rule out any problems with anything other than cabling is to connect your machine directly into your modem with a single, proven Cat 6 or better Ethernet cable, and preferably into a proven Gigabit-capable port, then check the link speed. If the link speed shows as 1. Using this method of troubleshooting can be a pain if you are not dealing with a laptop, but it might still be worth doing if you have to decide if you need to call a contractor out to look at wiring behind your walls.

Note that very long Ethernet cords are available for purchase, with lengths of over feet or 60 meters available. So if you are involved in a prolonged debate with a technician over link speeds, this might be the simplest way to provide a temporary, single cable connection from your machine to the modem.

That said, all adapters are different and handle shorts or issues with cables or ports differently. But a Gigabit adapter reporting as Mbps is almost certainly a physical issue with the networking equipment. Contact support. Characters remaining: We appreciate all feedback, but cannot reply or give product support. Please do not enter contact information. If you require a response, contact support.

All postings and use of the content on this site are subject to Intel. Skip To Main Content. Safari Chrome Edge Firefox. Ethernet Link Speed Capped at Mbps. Close Window. Summary Troubleshooting guidelines to solve the Ethernet link speed issues.

Showing results for. Search instead for. Did you mean:. Last reply by jphughan Unsolved. Getting only Mbps performance when 1Gbps is supposed to be available. Hello everyone The title says it all.. All forum topics Previous Topic Next Topic. Replies 8. Auto is already set. Still would be nice to see those screenshots though. Post Reply. Top Contributor. Dell Support Resources.