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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LAN Adapter not present

I'm trying to get my friends PC to connect to my LAN switch, which it always used to do, but now I see after a few months that there is actually no Local Area Connection (1) or Local Area Connection ...
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45 views

Run a program over specified network?

Is there a way in Windows 10 (or anything 7 & up) to specify what network connection a program uses? Specifically, to have all my programs running through Ehternet except RDP over WiFi? I've ...
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43 views

Is it possible to connect USB wifi adapter directly into router?

Is it possible to use a USB wifi adapter (or similar device) to plug directly into the USB socket of a router so you can use the wifi of the adapter rather than the wifi of the router but still use ...
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1answer
104 views

Troubleshooting Samba (windows shares) perfomance on an Intel NIC

At home, a native windows-shares client on Windows 7 and Windows 10 is performing poorly. It is connected to a Samba server through a gigabit switch. The read-rate is at around 60 MB/s while writes to ...
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2answers
715 views

Blank network connection properties

My laptop can't connect to internet. My 2 network interfaces (Ethernet and WiFi) seem to be problem. If you can see in the screenshoot, it shows blank properties if I click Details button. And ...
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63 views

Both wired and wireless network 'adapters' stopped working

Before I went to work last night, I could connect to the internet as normal. When I come back from work, I press the space bar to wake my computer up from sleep mode like I always do, and the computer ...
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59 views

No internet for vm player that's installed on windows 10 since upgrading from win8.1

I had windows 8.1 and vm player that had ubuntu and win7 virtual machines on it. It was all working fine. My workplace has proxy so I had setup proxy on both guest oses and it was all okay. I ...
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159 views

How to configure preferred static IP on Windows 10?

Need some help here. I am having troubles attempting to configure 1 preferred static IP in my office network. Can anyone help me? Thanks.
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41 views

Hyper-V network adapter lagging, connection dropped

We are using Hyper-V on Windows Server 2012 R2 on physical machine PM1 with one VM hosted. The box has 2 NICs, one for physical layer, second used by virtual switch. From time to time, the network ...
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71 views

Rename network interface: Access is denied

After upgrading from Windows 7 to Windows 10, I can no longer rename the network interfaces in the network manager. When I attempt to rename the nic (F2), an informative dialog pops up; <!> ...
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65 views

How to check if Hyper-V is compatible with a particular NIC (Killer E2200 NIC)?

I'm making a PC and the motherboard I've picked out has on-board Ethernet using a Killer E2200 NIC. I plan on using Microsoft Hyper-V but I understand that it performs a number of lower level ...
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15 views

2 routers and one wireless card [duplicate]

What's the maximum I can get on one computer with that? I already connected two routers as primary and secondary, now I thinking if my wifi card from very old computer can boost something more? ...
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11 views

why mailslot client behaves different when broadcasting data on two NIC adaptors?

Hope to ask the question in right place. I have two PCs, both work on win 7 and each one has equipped with two network adapters. I have written a simple mailslot client server code. The client resides ...
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1answer
3k views

Why can't Fedora start my (hard wired) network?

I have a hard-wired Ethernet card/cable to my hub. I start Fedora 23 but there's no network, why? So I've checked that the card exists:- [root@localhost ~]# lspci | grep Ether 00:0b.0 Ethernet ...
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1answer
15 views

local OS access to VirtualBox server

I have CentOS installed on my server. Next, I set up Ubuntu/mint 14.04 on a VirtualBox which is now on the CentOS server. The CentOS server I can access through browser e.g. my.server.com:8080. How ...
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2k views

Wi-Fi speed inexplicably drops after usage on an Aspire Aspire v17 Nitro

I have a relatively new Aspire Aspire v17 Nitro. I’m running Windows 8.1 and have a Qualcomm Atheros QCA61x4 wireless network adapter and Bluetooth is disabled. After turning it on, my Wi-Fi speed is ...
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111 views

How does an ISP authenticate modem/router connection? [closed]

When we don’t pay the bill how will ISP disable Internet? Is it done by disabling connections to the particular hardware (MAC) address of the router Or by disabling connection to the hardware port ...
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100 views

OnBoard ethernet controller: LAN cable not plugged in

I have a following problem on Windows 7 64bit, with OnBoard Ethernet on MSI K9N Neo V2 MotherBoard: I have connected my PC to a router via UTP cable, but it can't connect to local network. I ...
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255 views

Kali linux doesn't recognize my WN722N usb adapter

Today I installed kali linux on a usb (with persistence) , everything went smoothly, but the only problem is that kali doesn't recognize my usb wifi adapter. The weird thing is that I have a kali dual ...
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105 views

Very inconsistent WiFi performance on Windows only, desktop computer only

Windows 10, Intel 5820K, Asus X99-A/USB 3.1 motherboard NIC: Intel AC-7260, on a Gigabyte WB867D-I Rev 2.0 PCIe card (issues were the same with a Qualcomm Atheros AR9380 on a TP-Link WDN4800) So the ...
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17 views

Connection timing out in wireless adaptor on Mac

I have a router at home and I extend its wifi signal by using a TP-LINK adaptor that creates another WIFI network in another part of the house. Right now I'm having troubles with the wireless adaptor ...
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2answers
118 views

USB 3.0 to 1Gbit adapter is limited to 100Mbit

I am using “Cable Matters® SuperSpeed USB 3.0 to RJ45 Gigabit Ethernet Network Adapter” plugged into USB 3.0 port of Lenovo U410 laptop (Windows 8.0) When speed tested on speedtest.net, it only shows ...
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53 views

Customer Computer and WDS Driver Error

When attempting to run Windows Deployment Services on a client machine, I get an error stating that it doesn't have the driver for the NIC card that the client is using. The machine I have was a ...
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234 views

How to install Microsoft Virtual WiFi Miniport Adapter in Windows 7?

Microsoft Virtual WiFi Miniport adapter is missing on my desktop. At Device Manager >> Network Adapters, even when 'Show hidden devices' in checked from 'View' dropdown menu the adapter is missing. ...
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31 views

Receive realtime data from phone

I am using an android app that streams real-time accelerometer data to the specified ip address of a server. I have written a "server" in C running on Linux which is running in VMware. I am connected ...
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21 views

TP-Link TG-3468 on IBM x3650 M2?

I got a networks card from TP-Link. It is the TG-3468. I want to place it into my IBM server x3850 M2. It has PCIe x8 slots. The slot is a little bit longer than the length of the card, but it fits. ...
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68 views

Right way to “pause” the network interface controller on Windows 7?

I have machine with Windows 7 and with ethernet NIC (network card). I want to interrupt data flow (like when I pull out the network cable). But I do not want Windows to stop network stack (network ...
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86 views

Two Ethernet, One NIC, Two networks each with a switch

I have a linux computer running yocto. The linux PC box has one Ethernet port built in, and I have created another Ethernet port using a USB-to-Ethernet adapter. I only have one NIC in the linux PC ...
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1answer
49 views

How to make the same WiFi adapter work on two different networks with different DHCP configurations?

I have a tablet that is going to be used in two networks: One network has DHCP deactivated while the second one has it activated and uses a different range of IP adresses. The problem is that if I ...
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1answer
23 views

Bring interface down by MAC or Bus address not name

Is there a way to bring network interface down by MAC or better yet by bus address from lspci what I'm looking for is something like this: ifconfig [BUS ADDRESS from lspci] down this of course ...
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1answer
146 views

lspci show non existing bus address for nic

I'm trying to determine which PCI express slot my nic is using (I need to check correct configuration). I'm using lspci and dmidecode for this but I can't find the bus address from lspci in dmidecode ...
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43 views

Change TCP/IP settings automatically depending on connected network

I use Simple IP Config which lets you create profiles and you can manually change them when you need to. I'd like that to go one step further and automatically change the adapter's TCP/IP settings ...
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219 views

How to restart my network adapters with a .bat file?

I'm an IT student in college and I just started an internship with a local retail company. I do a bit of work on their registers and one thing that we have to do frequently is reset the network ...
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51 views

Gigabit NIC connecting with 100 Megabit

I recently upgraded my internet to a 200 Megabit connection, however, I seem to have some trouble with the NIC on my mainboard (Gigabyte Z77X-UD3H Rev 1.1). For some reason Windows detects it as a ...
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23 views

Dodgy NIC causing good NIC to ignore wake on LAN magic packet

I'm assuming this is the case, because it's the only thing that's changed. I have an older motherboard with an on-board gigabit NIC. This failed a few months ago - the hardware just didn't appear to ...
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173 views

Windows 10 creates many network adapters automatically

I have upgraded to Windows 10 last week and I installed the latest Virtual box 5.0.2, after upgrade. Now there are too many Network adapters in my Windows. I tried uninstalling them, but they ...
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Change MAC address of Intel(R) Dual Band Wireless-AC 7260

I tried to follow the instructions here, but my card doesn't seem to have that option. Is there another way to do this?
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Windows 10 “Not connected - Connections are available” and “Limited” yellow warning but Working internet connection

After upgrading my dell xps 13 (2015 model) from win8.1 to win10 all worked fine really fast top notch combination, untill after a week it now shows a yellow triangle warning icon on to of the wifi ...
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32 views

Setting up PFsense for test network

I want to test pfsense. I have a network with a established sonicwall router right now. I want to test pfsense within that network. The issue I have is with setup. I can't get pass the part where its ...
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41 views

NIC on PCI bus only works when attached to POE supplying network

This is a strange one.... I have a PC with both an on-board NIC and an additional NIC in a PCI slot. The NIC in the PCI slot will only create a link when attached to a network which supplies POE. ...
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115 views

Bluetooth adapter online, but not discoverable and cannot find anything in Linux

I recently purchased an Asunflower Atheros AR5B22 300M Wireless Wifi Bluetooth 4.0 PCI-E Card Desktop Adapter to add wireless and Bluetooth support for my desktop. While the WiFi functionality is fine ...
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361 views

Windows 10 Unidentified Network Issue

I am running Windows 7 on my PC but I installed Windows 10 Enterprise as a virtual machine using VMWare Player. My Network Adapter setting on VMWare are set to "NAT:Used to share the host's IIP ...
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Network not working after Windows 10 Upgrade

I recently installed Windows 10 on my Lenovo G500 laptop, but after that i found that none of the wireless network and the local area connection is working. Any suggestions where i can start ?
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1answer
627 views

Wake on Lan / WOL fails in Win10 when “Link Speed & Duplex” NIC set to anything other than “auto negotiation”, why?

I have a Win10 laptop on which I enabled WOL and it works (BIOS enabled for WOL and NIC enabled for WOL). But sometimes when I WOL start it up the NIC negotiates a low speed of 10Mbps (it's a 1Gbps ...
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176 views

Computer won't boot with Intel 10Gb NIC installed

I'm attempting to install an Intel X520-DA2 10Gb converged network adapter in my computer and the machine will not boot while the card is installed. The computer powers on, but the BIOS splash screen ...
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308 views

Wi-Fi networks not detected on Ubuntu 14.04 LTS (rtl8723be)

I have an hp pavillion 15-ab030tx and I recently dual booted windows 8.1 with Ubuntu 14.04LTS. No Wifi networks are being displayed, but if I host a hotspot from my phone it is visible and I am able ...
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Nic not showing up in device manager

I recently installed a new mother board and hard drive and have had trouble installing my wireless network card. On my old computer it worked fine but it seems it is not appearing in the device ...
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(VirtualBox) Host-Only adapter keeps disappearing

Whenever I add a Host-Only adapter in Network under preferences it disappears after pressing OK. Steps: File > Preferences > Network > Host-Only Networks > Adds New Host-Only Network vboxnet# ...
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54 views

NIC can't get IP address/connect all of a sudden

As the title implies, I'm having NIC issues. Anyways, as of last night it was working perfectly. Then this morning it was having issues, with Windows showing "No Internet Access". I rebooted the ...
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199 views

Connecting to two Networks with different DHCP servers

Ok, So at home I have two wired Networks (one with internet access and one that doesn't) I have Multiple Network adapters on my PC and I want to use one into one network and another to the other ...