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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No network after Windows crash

Windows 7 crashed on my Toshiba Satellite Pro s500. Following reboot, neither the LAN card nor the wireless cards work anymore. The LAN card appears on the Device Manager, but not on the Network ...
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530 views

Restarted PC and my network controller can no longer be found

Pretty much what the subject says; I did a restart of my computer and now my network controller (it's integrated in my Asus motherboard: ASUS M5A97 R2.0) doesn't appear anymore as detected hardware; ...
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Windows 7 - Find some certain Network Adapter Details

So, I know I should not ask about homework, but really my mind is blown by how the searches turn up nothing. I have a certain assignment that asks the following: Using the graphical interface find ...
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51 views

Host Not reachble on a Network Interface

I have two network interfaces on my linux system. When I select eth0 as default gateway , everything works fine. I can connect to the system from other computers, but when I select eth1 as default ...
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91 views

Windows 8 - LAN connection doesn't startup on reboot

I don't know what's gone wrong, but of late whenever I reboot my Win 8 Pro x64 box, the ethernet connection doesn't turn on by itself. I have to go into network settings and manually disable/re-enable ...
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381 views

Prefer WiFi over Ethernet

I want to use my Ethernet power line adapter in order to use Wake on Lan for my desktop PC. However, once it has booted into Windows, I want it to use my WiFi by default, as the powerline adapters ...
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197 views

Network disabled in Windows 8 PC on startup

Windows 8 64-Bit pc will not detect network on startup. Every time we have to do a "scan for hardware changes" in device manager. Otherwise it will not connect to network automatically. We did ...
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1answer
1k views

Jumbo Packet vs Transmit Buffers

I want to increase the transfer speed between two network adapters: 1) Atheros AR8152 PCI-E Fast Network Adapter. 2) Marvell Yukon 88E8053 PCI-E Gigabit Ethernet Controller. Marvell has a "Jumbo ...
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1answer
3k views

Generic Ethernet drivers for WINDOWS

Background: I have a custom built box that I like to setup with multi-boot using GRUB2 and having Windows 7 x64, latest Linux Mint x64, and couple other Linux/Unix distros. I've had this setup ...
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2answers
728 views

Are USB Ethernet adapter slower than embedded NIC?

I've just bought an usb-lan adapter. it is usb 2.0 and 10/100Mb it connects in full duplex at 100Mb but it is really slow: it goes 10Mb Compared with embedded NIC same file transfert goes ~100Mb Is ...
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4k views

Does Windows 7 support 802.3ad (link aggregation) natively?

I'm trying to understand what's needed to make Windows 7 combine two Ethernet ports into one virtual 2 gigabit port. I know I need 802.3ad compatible switch, my NAS also supports 802.3ad, but it's not ...
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131 views

Localhost pinging when there is no network card

How it is possible to ping localhost when there is no network card.
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1k views

Scan for hardware changes

In windows 8 PCs, the network will not connect at startup. If we do the "scan for hardware changes" in Device manager, then only network will connect. But the same pc was connecting in windows XP. ...
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54 views

Program for separating connections for different program traffic?

I have seen that for combining 2 different connections into one for gaining speed you have to set up routers and flash their memory or buy new ones, and that's the only way for combining it by ...
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1answer
8k views

What is wake on pattern match in network card preferences?

I know the Wake on LAN standard, but I don't understand what the wake on pattern match option means. What does this option mean?
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2answers
533 views

How is ARP about two VMs running on VMWare?

I know that systems in network connect together with IP and Mac address ,But insofar as i now all of OSs running on virtual machine use a common network card.I want to know how another systems connect ...
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2answers
404 views

Merge two 1GBps NIC's on a single PC

Is it possible to merge two 1GBps NIC's on a single PC thereby doubling the available LAN bandwidth? Two other PC's would then be able to request data at 1GBps each instead of splitting the 1GBps NIC ...
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1answer
508 views

Why does my computer lose access to mapped drives after being locked?

I am running Windows 7 on two computers connected via crossover ethernet cable. I lock both computers when I am going to be away for a while. When I unlock the left computer, the mapped network drive ...
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1answer
838 views

DNS Resolution Issue - Error 105

I cannot connect to the internet. I am having issues resolving DNS (Error 105) in all browsers on my Dell XPS 15 laptop running Windows 8 64x. There is also a dual boot with linux Mint running that ...
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1answer
121 views

How do I connect ADSL modem to cable internet

I have a TPlink TD-W8901G and I have a cable internet. When I connect cable internet via a RJ45 cable my PC has internet, but when I want to use wireless it can't connect to my laptop. What should ...
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1answer
2k views

6to4 vs ISATAP vs Teredo Adapters

I understand that all three adapters mentioned in the title are related to transitioning IPv4 to IPv6. ISATAP: Transmits IPv6 packets between dual-stack nodes on top of an IPv4 network. Teredo: IPv6 ...
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1answer
402 views

Wake on LAN option in BIOS

In the BIOS option for many PCs I've looked at- you typically see these 3 options (among others) which you can enable/disable independently: Power On By External Modems Power On By PCI Devices Power ...
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2answers
369 views

Laptop won't connect to router, however will connect to other routers and router works with other laptops

It seems I've come across an issue that is unique to using a particular laptop with a particular router. From an initial observation it would appear the laptop is having trouble obtaining an IP ...
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260 views

Getting Fiddler to work in a VM guest behind a proxy

I have a Mac OSX host and I'm running Parallels (but the same problem exists in VirtualBox). The scenario is that the Mac is wired into a corporate network with an explicit proxy set. The VM running ...
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1answer
1k views

How to configure routes in Ubuntu in order to use network card just in local network

I have Ubuntu 12.04 with two network cards. Because of the security of my organization, I need to use one to connected it to the traffic within a network 10...*, and the other one to have internet ...
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378 views

Libpcap Dropping Packets With Newer Intel NIC

I am migrating a packet sniffing project from a Dell PowerEdge R410 (with dual Broadcom 1Gb integrated NICs) to a Dell PowerEdge R620 (with quad Intel 1521 i350-series 1Gb daughterboard NICs). I am ...
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577 views

Windows 8 slow network wakeup from sleep

The problem is that Windows 8 is far more slower than Windows 7 waking up from sleep if you consider network adapter. With following settings: Going to sleep and back looks like this: And ...
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1answer
189 views

Suddenly websites load forever

I have a weird problem in my apartment. When I am browsing...if I go to any sites hosted in the US (I am right now in Germany)....the site keeps on loading forever..but if i restart my browser it ...
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3answers
5k views

Can I select the adapter to bridge separate for every network adapter in VMware?

I have a host computer running Windows7 with a wired network and a wireless network. These are two separate networks with two separate dhcp servers. I created an Ubuntu virtual machine in VMware ...
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122 views

Please get me outta here.. Stubborn APIPA

Any one please help me.. I am getting an APIPA since three days.. I did all the steps mentioned in answers to this question. Still they did not resolve my problem. At last I formatted whole of my ...
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2answers
84 views

Wifi doesn't work - system or hardware issue?

I have a Dell Latitude e360 laptop (64-bit arch) that previously had 32-bit Windows 7 on it. Wireless worked beautifully on it. It has a slide button on the right side for manually turning the ...
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442 views

HS Internet connection much slower after registry/adapter tweaks?

Recently (according to speedtest.net log-3 days ago) my HS Internet connection (ATT Uverse 12Mbps down plan) slowed down dramatically after I attempted tweaking registry and adapter settings in Win7 ...
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1answer
239 views

Which device should I adjust DNS server settings on, receiver or LAN card on motherboard?

I use ATT Uverse with a 12Mbps down and stinky 1.5Mbps up. My question is as follows: I realized remembered recently that ever since I purchased a new computer and network receiver, I never adjusted ...
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616 views

Lenovo IdeaPad Z580 wireless card driver for Fedora linux

I installed Fedora 17 on my Lenovo IdeaPad Z580 laptop, but the wireless card is not showing up when I do sudo iwconfig. I am quite sure that it is only a driver issue, because when I boot into ...
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106 views

using wireless with LAN connection active

Is it possible to run a wireless connection but still remain connected to your local lan? The desktop has wireless and i wanna use wireshark locally to mess around on my wireless but want to remain ...
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2answers
84 views

RHEL NIC missing

I have a RHEL server with 4 NICS. I bound eth2 and eth3 as bond0. However, I don't know how to unbind the two NICs, so I just deleted ifcfg-bond0. Then I entered service network restart, and after ...
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1answer
78 views

NIC works on Ubuntu, but not on Windows

I have a PC (with Windows 7) which its network adapter didn't work fine. The network adapter leds used to blink and Windows recognized the active connection, but it couldn't get a DHCP address from my ...
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287 views

Windows 8 Pro with hyper-v no network connectivity after reboot

I have Windows 8 Pro workstation with Hyper-V installed and configured one virtual switch as "External", as on attached screenshot. My problem is, every time computer reboots, network does not ...
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1answer
5k views

Use 2 wireless adapters to connect to 2 WIFI networks (local and internet) simultaneously?

On my HP Compaq 6710b there's an internal WIFI network adapter. Attached to the same laptop there's also an external USB Alfa WIFI adapter. I live near campus and can pick it's WIFI signal. The ...
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1answer
311 views

IP checksum offload

I recently updated to Windows 8 and get alot of invalid packet transfers. It says "Ip checksum offload?" (Wireshark) and most of my packets get lost. The checksum is 0x00. I also updated my NIC ...
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1answer
4k 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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1k views

Hyper-V VM Static IP - 2 IP Addresses

I'm trying to configure a server with virtual machines on Windows Server 2012, after finishing the installation of windows in the VM, I try to configure the IP as static, but a second address is ...
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4answers
7k views

Can a desktop (windows 7) Wifi adapter serve as a Wifi Access Point (not ad-hoc nor bridge)?

I was reading the many differences between Access Point, Bridge, Ad-hoc or hot spot networks, and as you may tell from the title I'm a bit confused. From my understanding based on the their difference ...
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1k views

LAN connection not working when cable plugged after removal

I am facing a weird problem recently. When I reboot my computer with the LAN cable plugged in, it's connected and everything works fine. But when I remove the cable and plug it in again, it detects ...
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130 views

Ubuntu 8.04 NIC change

I had a small box running ubntu 8.04 on it and it broke down. I moved the hard drive from it to a new box running different hardware just to see if i might be lucky and get a quick fix with no need to ...
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1answer
714 views

Very Slow DSL (ethernet) speed [New Interesting Update]

Very Interesting and Important Update: Due to some reason I just thought to do a complete new setup and this time I decided to again have openSUSE plus Ubuntu. So I first reinstall Lubuntu and then I ...
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33 views

USB stick connection

I had purchased vodafone USB stick few months ago. At presently I am not using it, so I disconnected the connection and the dongle is there with me as it is. I tried to use other sim of other network ...
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1answer
39 views

Network Failures (software tester) [closed]

I have one network with - / +50 computer. Lan and last days, has Apparent fail. Don't make any change the network. Apparent fail moments by the network, and does not understand why. That is there ...
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2answers
2k views

what is the difference between a host adapter and network card?

what is the difference between a host adapter and network card? I know that a netword card is the electrical circuits in the computer where you plug your ethernet cable into in order to gain internet ...
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3answers
1k views

Problems when trying to connect to a router wirelessly

The situation - At my girlfriend's parents' place there are six Windows 7 devices that are wired or wireless connected to a router: 3 dekstops and 3 laptops. There are also several smartphones using ...