A network interface controller (also known as a network interface card, network adapter, LAN adapter and by similar terms) is a computer hardware component that connects a computer to a computer network.

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Qualcomm Atheros AR5B97 Wireless network Adapter not detected in network and sharing center

I tried to rollback my network adapter driver but it failed. The next day my driver is still installed and I can see it in the device manager but I can't see it in Windows network and sharing center. ...
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In what layer does the logic for choosing a wifi channel reside?

Is this logic contained in the driver software, or is it implemented somewhere in the hardware of the network card.
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Windows 7 'netsh reset' without rebooting?

Frequently we are required to reboot after installs or commands because specific services have to start or restart. Is there some service I can restart to avoid rebooting the whole PC after "netsh ...
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Configure traffic class to bringup DCB in back-to-back setup on linux

OS :- CentOS 7.2 kernel 3.10.0-327.el7.x86_64 lldpad:- lldpad v0.9.46 dcbtool:- v0.9.46 ixgbe :- ixgbe-4.3.15 steps followed:- modporbe ixgbe service lldpad start Redirecting to /bin/systemctl ...
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Issue with Wifi Adapter with Docker Windows (Native, HYPER-V)

I just received a brand new work laptop and immediately installed the native version of Docker for Windows. However I am seeing an issue that everytime the new network adapter for Docker via Hyper-V ...
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Modify NIC drivers to support newer operating system

I inherited what I think is an older Intel® 82575EB Gigabit Ethernet Controller 4-port adapter from a Dell Power Edge R200. The hardware ID in device manager shows Pci\ven_8086&dev_10d6&...
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42 views

Can I use my laptop WiFi adapter in my desktop?

OK so I got a new desktop but it doesn't have a built in adapter or anything and I can't connect through Ethernet cable so I have a old gateway laptop and I was wondering if I could take the adapter ...
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23 views

Sudden lag spikes on webpage reload or on Network activity

Since my update to Windows 10 i am experiencing a weird computer lags(the entire computer UI like mouse, stops responding for a second or two) which last for about 1-2 secs making the computer ...
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11 views

Add External NIC to Virtual Switch Manager

I've setup a HP ProLiant MicroServer Gen8 as my home NAS. All has been well except I've noticed there's been terrible latency (~150ms) from within my local network. I'm running Windows Core 2012 using ...
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Iview ultima Windows 10

How do I install network adapters after a Windows 10 clean install? I have downloaded network adapters on USB flash drive several times. But I can't install the adapter or drivers.i have tried some ...
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12 views

One computer (Win7) with two network adaptors, how to configure it to work as a network bridge/sniffer

I have a laptop (Win7) with two Ethernet ports (actually one original, one USB-Ethernet adapter). Both of them can work individually well. Now I want to configure these two network adapters in this ...
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16 views

My PC wifi can't detect a particular hotspot device

Just few days ago, I was able to use the wireless hotspot network ICTD5 in my work place. But now, my computer is not able to detect it. It can detect other networks including my phone's hotspot but ...
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32 views

Wi-Fi adapter disconnected when USB keyboard is connected and USB keyboard acts weird when Wi-Fi is re-enabled in Windows XP

I have an older system that runs Windows XP. I installed a new USB keyboard (Inland 70117) couple of weeks ago and things haven’t been the same ever since even after a system format and getting a ...
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5answers
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What does the “Fi” in “Wi-Fi” mean?

I just got into a heated discussion about Wi-Fi. What does the Fi in Wi-Fi mean? I would have thought potentially "frequency interface" since all network adapters are classified as interfaces. However ...
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33 views

Add USB Bluetooth to mPCIE card?

So I bought the Azurewave AW-CE123H AC + BT 4.0 wifi card for my laptop, and found out that the Bluetooth section of the card communicates via USB. There were warnings that not all mPCIE slots ...
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41 views

Can't find ScanWhenAssociated, Other way to disable auto-network-scan

I have a Problem with my Asus AC 56 WiFi USB Stick: I have lag spikes. The only solution to fix those spikes was to turn off the auto-network-scan of Windows. It's pretty inconvenient, because I have ...
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7 views

Range extender is working but PC doesn't have internet

I have a TP-LINK range extender (TL-WA850RE). My smartphone connects to it and it has Internet without problems. The thing is that my PC is having trouble with this. I have a desktop computer that ...
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23 views

Wireless network card in other slot

I got this motherboard. I want to buy a wireless network card, but the graphics card takes two mobo slots, and hides a PCI Ex1.0 slot (the bottom one). Can I put a network card in the top PCI Ex1.0 ...
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2answers
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How to set up a network in Windows 7 to let others can access an internal Linux server?

I have two machines. Machine 1 (denoted as M1) is Windows 7 and has two network cards. Machine 2 (denoted as M2) is RedHat 6.5. In M1, the first network card is connected into the Internet and the ...
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38 views

Why WmiPrvSE.exe is changing my preferred DNS each startup?

Today I discover that WmiPrvSE.exe is changing my DNS settings on my main NIC at each startup. The following is an extract from Security event viewer following my registry Audit : - <Event xmlns="...
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52 views

Windows 10 Internet randomly disconnecting

I recently did a Fresh Install of Windows 10 about a week ago now, all was fine up until last night where my internet started randomly disconnecting every 2 minutes and then it eventually spanned out ...
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Kali Linux unable to load htc_9271.fw firmware

I am trying to use my TL-WN722N network adapter with Kali Linux on a Banana PI, however every time I plug it, dmesg gives me this error: [ 11.152949] usb 4-1: ath9k_htc: Firmware htc_9271.fw ...
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36 views

How do I assign network cards to specific users?

OS: Windows 10 Pro I have 2 Network connections available. First is Ethernet, second is a LTE Router via Wlan. Main goal: Route specific program traffic through the wired connection while other ...
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22 views

given an on-borad port PCI address, how do I know to which NIC it belongs?

Assume we have a server with 2 on-board NICs (no other NIC was inserted to any of the free expansion slots). Given a PCI address of any of the ports of the on-board NICs above, is there a way to know ...
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99 views

FreeRADIUS 3.0.11 ignoring Access-Request from one NIC interface

I've installed FreeRADIUS 3.0.11 to Ubuntu Server 16.04. The Ubuntu Server runs on a ESXi virtual machine. The virtual machine has two NICs. One is for connecting to an admin network, the other one is ...
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49 views

Windows Command Line - List Network Adapter Components

I'm looking for a way to, in a batch file, get a list of the components (such as NDIS drivers) in use by each network adapter on the system. Here's a screenshot of the info I want in the network ...
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33 views

Ethernet throttling itself? Wireless is fine. Video of issue included

https://youtu.be/baV-P00i7CY I just got internet installed today at my new apartment. I'm connecting using my desktop. When I'm connected directly to the modem I get exactly 14.31 mbps every time. ...
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35 views

How many MAC addresses can a single PC have?

Each NIC (wired, wireless, etc) on a computer has a different MAC address. Given that a computer can have more than one Ethernet card (or whatnot), and ignoring the fact that some devices can modify ...
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127 views

How can I get a Mellanox ConnectX-2 to work on this ASUS desktop motherboard?

People seem to be happy with second-hand Mellanox ConnectX-2s on Linux so I grabbed a pair. Both cards result in an network interface showing up on one computer but neither show up in the other ...
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Second Ethernet card: ¿the same collision domain?

I would like your help to understand if installing a second NIC means another collision domain, or if it acts like another port in a hub (inside my PC).
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30 views

Use Wii U as a network bridge?

I've recently moved my entertainment system far away from where my modem/router and wired Ethernet. The only device I have in the system with a wifi antenna is my Wii U. I also have a USB-to-Ethernet ...
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166 views

Can I convert RJ11 to RJ45 without modem to use Ethernet?

I have a Tenda 300Mbps N301 wireless router that connects to the ISP with its WAN through a cable that has an RJ45(Ethernet) plug. I would like to use my this router on its WAN, with RJ11(Telephone ...
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29 views

Dell latitudeE5450 wifi issue

I am facing serious issues related to wifi in my laptop. During working the connection to a network stays but suddenly internet accessibility gets lost. When I try to switch to a different network, ...
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1answer
35 views

Networkcard errors after upgrade from squeeze to jessie

We upgraded one of our central routers, which was horribly outdated, via apt-get dist-upgrade from Debian Squeeze over Wheezy to Jessie. But now we see the following errors in dmesg: [Tue Apr 12 22:...
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26 views

Access to Private IP Addresses without exposing them on a network

I have 4 ethernet devices contained in one system. There are several systems connected on the ethernet network; I would like to use the exact same ip addresses internally with in each system. . I can ...
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43 views

Windows doesn't set interface metric properly

When I try to set an interface metric on a specific NIC , it doesn't work. When I check with netstat -rn they are completely different than ones I set. I tried enabling and disabling adapters but it ...
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52 views

How to connect to a wireless Display adapter automatically through scripts or Task Scheduler?

I am trying to project files to a Samsung TV which has a windows display adapter. I want to automate the entire process. So when the TV is switched on, I want the computer to continuously check for ...
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Is it safe to upgrade a 802.11b/g/n adapter to a 802.11ac?

I'm thinking of replacing the old wireless network adapter on my laptop. However, I'm not sure if it's safe to do that because the antennas cannot be replaced. What if the new adapter is not ...
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qemu: emulated nic is too fast

On archlinux, I started a VM with qemu emulating a rtl8139 network card by giving it the following parameters: -device rtl8139,id=nic0,netdev=tap0 -netdev tap,id=tap0,ifname=tap0 After booting the ...
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38 views

Forcing two instances of a Java Application to use different network interfaces on Windows 10?

As the title says I am looking for some method of having two instances of the same Java application (that lack this type of setting) to access the internet using different adapters. I found a couple ...
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Why might write speed on NIC be fraction of read speed?

I have 2 servers (Windows 2008 R2) each with an x710-DA2 NIC, cross-connected by a 10Gbps wire. I can read a hard dive of one machine, from the other, at 250 MegaBytes/Sec, but the write speed is ...
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How to disable TCP Checksum for wireless device in Windows 10?

I want to disable TCP Checksums on my wireless adapter. For ethernet device, I can turn on/off TCP checksum as it can be seen down below; However, for wireless adapter, there is no such an option ...
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Is the USB NIC radio toggle controlled via the registry in Windows 7?

I have a Panda Wireless PAU05 802.11n USB stick. In my Windows 7 laptop, when I close the lid the laptop hibernates and when I resume the wireless radio is always reset to disabled (see image). ...
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56 views

How to use Dlink 550t PCI network card in windows 10 x64

I have a PCI express network card, pretty old but works 10/100/1000 I need to use it in a computer running windows 10 x64. I already try with the original drivers (i got the installation cd), with ...
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82 views

How can I find the real MAC address if it has been changed?

One of my neighbors managed to get my credentials for ISP login and used my Internet connection without permission. I talked to the ISP about the unauthorized data use and they told me the MAC address ...
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Netflix, Amazon Video and youtube intermittent streaming errors

my PC has issues streaming from Netflix, Amazon and Youtube (my laptop and FireStick work fine). When streaming the video will play fine (buffers fine etc.) but then will randomly cut out, maybe as ...
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Bridged NIC Connection Issue

I have a Windows 10 Pro desktop with two NICs which are bridged. This configuration has been working fine until today. The yellow warning triangle appeared in the system tray next to the netwok icon ...
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52 views

Windows Dual NIC multicast routing

My office has a bunch of PC's in our software development lab, and we are trying to move from unicast (UDP) to multicast. It works fine with unicast, but for a few different reasons, we are making the ...
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28 views

potential Wireless Adapter issue with wifi

So I have a computer which is connecting to my router using a wireless USB adapter. I also have a mobile device which i am testing with. I noticed extreme Wifi issues in which i would lag extremely ...
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Low transmit rate from distant access point

I have connected to a far away access point and the maximum link quality speed is about 65Mbps but the internet is pretty slow. The signal is 54% (good) but the link quality speed is about 11Mbps. Why ...