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My apologies. NIC == Network Interface Card - it's a bit of old school terminology that harps back to the days when PC's didn't ship with any network interface installed and you have to procure them separately as an add in "card" which one would install inside the machine. I think the term "adapter" is more widely used these day as that encompasses various interface types and forms (e.g USB, PC-CARD, PCI, PCIe - the list is long!) These days pretty much everything ships with network interfaces built in.
In a device such as a laptop, often there are multiple network interfaces - ethernet, Wi-Fi, modem. In more recent versions of Windows, it is possible to "bridge" two or more of theses interfaces together and effectively create a "switch" within your PC. So doing could then potentially create a loop in the network topology which can cause it to flood the network with traffic which makes it run slowly.
It's highly unlikely you've bridged your interfaces accidentally, so if you've done it you'd probably know about it, but it's worth checking as it could be a cause of the the symptoms you describe.
However, as Abacus describes, the fact that it's only affecting your laptop suggest your problem is with the laptop rather that the router or the rest of the infrastructure, so I would focus your attention on the laptop and follow the procedures Abacus recommends.
If that doesn't work, it might help us if you could post up some diagnostics from the laptop. Open up a CMD window, run a IPCONFIG /ALL and post up the results. Repeat this three times, once for ethernet only connected, once for Wi-Fi only connected and once with both connected. There's no information in IPCONFIG output that's security sensitive except maybe the computer name, and we're not interested in that - it's the IP address info we want to see. |
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Author: tom 2000
2-12-2019 04:41:32
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