1) Directly connect to your modem via ethernet.
2) Test your speeds on Xfinity's network.
3) Verify that your modem is approved for gigabit speeds
4) Verify that your modem is provisioned for gigabit speeds.
5) Verify that you have 10/100/1000 (Gigabit) network adapters.
6) Verify that you meet the minimum system requirements.
|Xfinity Internet Minimum System Requirements - For Speeds up to 1 Gigabit per second|
|Operating System||Windows 10 (64 bit) or newer or Mac OSX 10.8 or newer. Visit the Microsoft Windows lifecycle fact sheet or Mac OS X Support overview for their latest operating system information.|
|Browser||Google Chrome 56.0.2924, Microsoft Edge (64-bit), Mozilla Firefox 52 (64-bit) or Safari 8 or newer. For more information about different browsers or to download a new one, visit whatbrowser.org.|
|Ethernet Cable||Cat5e or Cat6 Ethernet cable.
Note: Due to Ethernet overhead, actual download speeds are limited to 940 Mbps over a hardwired connection.
|Ethernet||10/100/1000 Gigabit Ethernet interface or adapter for wired connection|
|CPU/Processor||Intel Dual Core i5 or better or AMD Ryzen 5 or better|
|Memory||8 GB of RAM minimum|
|Hard Drive / Space||64 GB or larger SSD recommended to achieve maximum download speeds|
7) Make sure your signal levels meet specifications.
8) Turn off security software briefly and test speeds.
9) Boot into safe mode with networking and test speeds.
10) Ask for help on the forums.
11) Request a tech visit.
Last update 9/24/18 @Nerdburg