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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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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1answer
17 views

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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2answers
2k views

VirtualBox Network Adapter fails to install

The Host-Only Adapter fails to install in Windows 8.1 x64 with VirtualBox-4.3.20-96997. When VirtualBox is installed, Host-Only appears in the Device Manager as a failed device. Therefore ...
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3answers
69 views

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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5answers
10k views

network adapter driver problem in Windows 7

I am facing problem with my Windows network adapter. It detects all the available networks but it shows "Limited Access" for the network I wish to connect. On diagnostics it gives "The wireless ...
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0answers
6 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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19 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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17 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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1answer
3k views

local area connection doesn't have a valid ip configuration

I get the following error after running diagnostic tool: local area connection doesn't have a valid ip configuration then I ran ipconfig \all in cmd and got the following: Microsoft Windows [Version ...
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1answer
19k views

I have LOTS of TAP-Win32 Adapter OAS and TAP-Windows Adapter V9

What are these, and what are they used for; how do I get rid of this? Because I haven't got OpenVPN or any other VPN-client installed on my computer (to my knowledge). I am not sure but I thing this ...
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1answer
4k views

Driver for wireless card WNC-0301 (Level One) for XP 64 bit

I looking for drivers for network wireless PCI card WNC-0301 of Level One for Windows XP 64 bit. The one I found on company's site is zipped with password. In short, do somebody know where to find ...
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2answers
699 views

Wake On LAN using Magic packets is not working in Windows 10

Even after configuring all the settings like Network Adapter Settings BIOS setting Disabled Fast Startup Telnet and Port Settings I can't able to wake up the machine with Windows 10 OS. Is ...
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4answers
6k views

Get active network interface on Windows

I'm developing an application that provides a UI to windump, the packet sniffer. Windump has a "-D" parameter that lists all network interfaces it can find, and then you can specify which interface to ...
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0answers
84 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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3answers
69 views

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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83 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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42 views

(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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2answers
3k views

Windows 8.1 Update: Network Adapter Issues

I've recently updated my pc from Windows 8 to 8.1. However,I am now unable to connect to wireless networks. Instead, it says 'No Connections Available' in the networks charm. Under the wireless ...
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26 views

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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0answers
85 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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2answers
7k views

Is the reason for weak wireless signal on new laptop the wireless card itself or the antennas?

I just bought a new laptop ASUS N550JV. I wanted to test the wifi receivers of my two laptops (the old and the new), so I put them together and scanned for the neighboring wireless connections. My old ...
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2answers
32 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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1answer
21 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 ...
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4answers
6k views

Hardware recommendation for a laptop with two NIC's (network interface controllers)? [closed]

I need a laptop that has two network cards onboard. I've tried in vein searching for such a beast. Can anyone shed some light on where I can find such hardware? It should also have a parallel port. ...
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2answers
31 views

A Nic and a USB wireless adapter, when one is on, the other stops working

I have NIC and wireless USB adaptor. Previously, both accessed separated networks and worked together. The wired nic is connected to a piece of equipment. I have it on a submask of 255.0.0.0 with a ...
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3answers
49 views

How to set/change IP for intel(R) 82579LM gigabit adapter?

I want to set static IP to my wireless network adapter, but I get this error: [] so I want to change IP address of this adapter. I should set my wireless IP to 192.168.1.157. Also I restart my ...
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4answers
16k views

500 Mbit/s powerline network, only 3.5 Mbyte/s transfer speed?

I have a TP-Link 500 Mbit/s Gigabit Powerline Adapter linking two computers (one Windows Vista and one Windows 7) in different rooms in the house. As in: Computer <-Ethernet ...
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0answers
46 views

Network adapter not recognised

I've had to re-format my PC and installed Win 7 Pro. Got everything installed but Network Adapter not being recognised so I've got no internet. I don't have the motherboard driver CD so I attempted ...
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1answer
281 views

Cable unplugged after NeoRouter connection disabled once

Network adapters can be disabled and then enabled again in Windows. This doesn't work for the NeoRouter network adapter, which is a VPN shell. What happens is that once disabled, this adapter can't ...
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16 views

List of router to allow the editing SNR

I would like to buy a modem (or router) that allows me to edit, through telenet, the SNR values. I read on internet that I will get something plus in terms of prestations of my ADSL line. Does someone ...
5
votes
1answer
18k views

Optimal setting for advanced parameters for Realtek PCI-e GBE family network card

superusers. I am trying to get the best possible setting for my Realtek PCI-e GBE family controller network card so that when it will be literally minimal or zero lag when playing online game. ...
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1answer
3k views

Network card (link-status LED) still active after shutdown from Windows 7 (but not from XP)

When I shut down Windows 7, my NIC remains active and the link status LED on the router remains lit. When I shut down Windows XP, it does not. Further, rebooting XP causes the NIC to shutdown as well, ...
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24 views

How to make VPN use only 1 of the 2 NIC?

I know it sounds a bit dump, but here is the case, I work in China a lot and we all know, China blocks gmail / facebook / twitter... etc, to access these tools along with my company network, I would ...
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1answer
39 views

Windows 7 - Blue screens, fresh install, corrupt downloads

I'll clarify the title. I had a Windows 7 Ultimate installation running just fine about 2 months ago, aside from the fact that I would get BSOD's (Blue Screen of Death) every 2 weeks or so. I wanted ...
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33 views

Unstable connection on Windows XP and Intel I350

I am working for a company developing and maintaining some QA system for industrial customers. When running, the system is receiving about 1.6 Gbps from 12 different sources using two Gigabit-NICs. ...
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83 views

Possible to share ethernet connection over wifi without hosted network support?

I have this cute Intel WiFi Link 4965AGN wireless adapter which is obviously not supported by hosted network: C:\>netsh wlan show drivers Interface name: wireless2 Driver : ...
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5answers
16k views

How to get rid of auto-generated sequence number in network's device name in Windows?

Every time one plugs in the same usb wireless adapter in a new usb port, Windows creates new network device with auto-generated sequence number which looks like this Wireless-N USB Network Adapter #2, ...
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1answer
31 views

What kind of board does an XMC network card fit in?

I'm looking at 10GbE network cards, and most of what I find are XMC format, like the XPort3300 (just an example). I'm trying to understand how these cards fit on a board. I'm very new to low-level ...
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1answer
967 views

Connecting to Bluetooth Personal Area Network Fails

I'm trying to connect to my phone's Bluetooth PAN but nothing happens when I do. I click the button that says "Connect Using" which gives me two options: [Option 1] "Direct Connection" ...
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132 views

how does vswitch work with the physical nic in vmware?

It is known that VMs, through their vNIC connect to vSwitch which is in turn connected to the physical machine or ESXI host's network adapter (vmnic). The vmnic is then connected to an actual L2/L3 ...
2
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1answer
435 views

PC flooding & crashing network switch only after it's shutdown

I discovered this problem because EVERY SINGLE TIME I left the house my Internet connection would go down and I would not be able to remotely access my netowrk. I installed Windows 8.1 RTM on my ...
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2answers
11k views

My internet speed wont run at 1.0 Gbps on my Realtek PCIe Family Controller

I have an asus Gigabit Router and a gigabit NIC (Realtek PCIe GBE Family Controller) witch is running at 100Mbps rather than 1000Mbps (1.0 Gbps). When I use an old laptop on the same Ethernet ...
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1answer
47 views

Ipv4 properties tab greyed out

I am facing this problem of IPv4 and IPv6 properties tabs greyed out and not able to change the settings of the same. I have tried many solutions given online such as netsh commands and antivirus and ...
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0answers
28 views

IP for virtual interface gets assigned to physical interface

I'm configuring a physical NIC and a virtual interface based on it as follows in /etc/network/interfaces: auto eth0 iface eth0 inet dhcp auto eth0:1 iface eth0:1 inet manual post-up ifconfig ...
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6answers
14k views

How to reinstall the host-only network adapter in VMware 7

I've this problem when I want to use "Host only" network adapter in VM-Ware 7.0 this is the error message: The host-only adapter driver does not seem to be running. If you have not rebooted ...
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1answer
146 views

Can't added back my client for microsoft networks in Windows 10

I can't open network shared folders. Got to looking at my NIC properties, and I found that I was missing everything buy IPv4 and IPv6. So I started to try to add back to client, and protocol. I can't ...
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36 views

Network Adapter no longer detected after graphics card removal?

Last night, I noticed that my crossfire wasn't working properly. I did some tests and found that all my games run much faster and at lower temperatures without it. So I decided I'd give my extra card ...
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0answers
27 views

NIC shows cable plugged but no cable is connected

My computer is not connected to any Ethernet. Cable is not even plugged in. But Windows 7 show status of unidentified network. It was a problem with the driver and I booted to my Ubuntu installation. ...
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0answers
104 views

QEMU-KVM macvtap nic passthrough with which MAC address?

I want to give a host nic to a guest in macvtap/passthrough mode but, which MAC address I've to use for correct frames inter-transmission? The real address (of physical nic), or the virtual one? ...
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54 views

How to force only Chrome to send network traffic through selected IP interface (not system default) on Windows 7?

I have connected to multiple network interface (like LAN, WiFi, USB modem, VPN) and I want Chrome to use the DNS servers from selected network (BUT NOT SYSTEM DEFAULT means local network) and also ...