Computer gigabit network card, gigabit network cable, gigabit router, 300 Mbps optical fiber, but the actual speed is only 100 Mbps.

You need to see if the WAN port and LAN port of Gigabit router are really Gigabit. Recently, you bought a wireless router, nominally full Gigabit, wireless Gigabit (this is a joke), WAN port and LAN port are Gigabit.

Due to incorrect network settings, the computer network speed is displayed as 1 000 mm. The methods to improve the network speed are as follows:1. First, find the computer or my computer icon on the computer desk. 2. Then right-click the computer or my computer icon to pop up the right-click drop-down menu. In the menu, we can find "Device Manager".

Gigabit optical cat is essential: the first device connected after fttp is optical cat, and the network with bandwidth exceeding 100 megabytes must use Gigabit optical cat. After the speed-up upgrade, many friends still use 100 Mbps light cat, so the internet speed is limited when they enter home.