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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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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How to upgrade Intel(R) 82567V-2 Gigabit Network Connection Drivers for Windows 7 64?
Problem
When I go to Device Manager, under Network adapters I have an Intel(R) 82567V-2 Gigabit Network Connection adapter that has a yellow exclamation point. I am trying to upgrade its drivers but ...
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15 views
What could be causing two different laptops both with Wireless-N adapters to have very different speeds?
My dad recently bought a Dell XPS 14 laptop that had an integrated Intel(R) Centrino(R) Advanced-N 6235 wireless adapter, but it appears to be known to drop connections a lot. He'll suddenly get ...
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30 views
Speed/Duplex auto-negotiation suddenly stopped working
Today my internet suddenly stopped working and the network adapter started cycling between "Network cable unplugged" and "enabled".
I googled the issued and some people suggested to modify the Speed ...
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96 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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87 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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287 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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152 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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172 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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398 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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100 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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353 views
After disconnecting my vpn, why do I have to reset my network adapter to revisit certain sites?
If I create an encrypted connection to my VPN host (via openVPN) and tunnel all internet traffic through it everything seems to work fine (i.e. Websites think my ip is that of the remote server).
...
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43 views
Port 80 Drops ~50% of HTTP Requests, But Other Ports Work Fine.
I'm in a new work environment and I've encountered the most aggravating issue in my existence. Just about every other page doesn't actually load. It's driving me crazy! Everyone in a while, it ...
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199 views
Win7 Pro x64 task manager hangs when restarting explorer.exe after waking from sleep
I have a desktop running Windows 7 x64 Pro, set for Hybrid Sleep on a wired network. Wakeup is only enabled from the keyboard (wake on mouse and Wake-On-LAN are both disabled). Sometimes when it ...
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87 views
AM2NF6G-VSTA Motherboard NIC connection
I own a ASROCK AM2NF6G-VSTA motherboard. My integrated network card gives me the error 651 whenever I try to connect using a PPPoE connection.
It always stays at 0 for received bytes but the sent ...
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109 views
Linux Mint gets stuck when using wireless card “rt73usb”
I'm changing Linux distributions a lot, wishing to resolve my problems with the wireless card identified as rt73usb, like explained in this question of mine.
Now I'm using Linux Mint 12. I noticed ...
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2k views
Realtek PCIe FE Losing Connectivity in Win 7 Home 64-bit
I am having an intermittent problem with my network connection dropping out for no apparent reason. When it drops, I still see the lights blinking on the NIC card, but cannot pass packets even to the ...
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594 views
Wired network adapter doesn't function properly when starting Windows
Every time I start my computer, my wired network adapter stops working - this includes a cold start and resuming from sleep. If I head over to Network and Sharing Center and click Troubleshoot ...
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152 views
Troubleshooting Desktop That Can't Connect to Internet through Any Adapater, Even on Different OSes
I have a Windows 7 machine that also has Ubuntu on it. Yesterday the NIC spontaneously crapped out. I went and got a Dynex PCI NIC and set it up, my computer now finds networks but lists them as ...
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120 views
LAN card not working sometimes with windows
I have the following scenario
MODEM + (FE)(Cable A) --> (WAN) ROUTER (LAN)-----(FE)Cable B----COMPUTER
Now i have two LAN cards on computer
1)CARD A is build in Motherbord
2)CARD B is NIC ...
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169 views
Alias network adapter in Windows XP
I use a VPN channel for an online banking client.
This channel is implemented as an NDIS filter installed on the outbound network interface which gets activated when you insert the smart card.
When ...
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172 views
One computer on my network won't connect to the network without a reboot
My computer is on a local network that contains about 300 PCs. NIC is not built-in (i.e. the built-in NIC doesn't work). I don't know whether my IP is assigned staticly or by DHCP.
Every time my ...
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286 views
Getting Realtek drivers to reach Gigabit speed under Ubuntu is nigh impossible
I have a HP Touchsmart TM2 2105 laptop, quite recently bought. The NIC is Gigabit speed capable, with a Realtek R8168 chipset.
I installed the drivers from Realtek, it works, ethtools indicates ...
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79 views
Warped Motherboard, dead NIC
Well, I did something stupid. Last March I rebuilt my computer. For some reason or another one of the mounting screws was not set properly, resulting in the top of the board bending at an angle ...
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164 views
Replacements for Intel WiFi Link 5100
The wireless adapter in my laptop, the Intel WiFi Link 5100, has been really flaky lately. I've had this laptop for about 8-10 months with no issues. But over the last week or so, getting it to ...
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339 views
Windows 7 not recognizing second lan card?
I just got a second LAN card, because I want to share my internet connection with my laptop. I put the LAN card in the computer, but it doesn't recognize it. I tried Everest, but it still does not ...
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6 views
Bridge NIC to VM without it being used by Host-machine?
I would like to bridge some network cards so that my virtual machines, running in VMware workstation 9, can connect through them, but not the physical windows computer on which the VM's are running. ...
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16 views
Why can't I seem to keep a reliable connection when utilizing two adapters?
I'm currently in an interesting situation. All of my computers are connected to a wifi network (which has an internet connection). Connecting to that is easy enough. In my room I also have a local ...
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9 views
Server 2003 Multihomed due to iSCSI DNS Issue
I need some help. I have a server 2003 setup as DC with DNS, DHCP and AD. I also have a QNAP SAN attached to it via iSCSI which has client shares on it. The server is configured and for the most part, ...
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13 views
Cable unplugged after NeoRouter connection disabled once
Network connections can be disabled and then enabled again in Windows. But this is wrong to network connection to NeoReouter network (NeoRouter is VPN shell). Once disabled, it can't be enabled again. ...
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26 views
Windows 7x64 ENT - Network card fails after Windows Update
I am building a new desktop from scratch.
I installed win7x64 ent and everything worked fine. I then let the system perform the initial update to windows. There were 152 updates totaling over ...
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77 views
Asus A43S's network adapter
I got a problem with my laptop's network adapter.When I turn on my wireless network adapter or connect my broadband via usb and connect to the internet,My laptop totally crashed and stop working.I did ...
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64 views
Windows Network Bridge Connections Greyed Out
I can bridge the connection under administrator account. I have disabled the prohibit installation and configuration of Network Bridge on your DNS domain network Group Policy setting. The option to ...
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41 views
my Hyper-v win 8 pro machine does not have network card / connection
I have defined my WinXP VM machine on hyper-v Win 8 pro defining network switch like following: External with one of my network card on host including check about using in. When I start VM - there is ...
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34 views
How to implement LAN traffic management on a computer when there are more than one NIC installed?
I have a motherboard with six NIC and the Windows Home Server installed. Right now I have it linked on only one LAN port to a switch with 3 other computers. Is it okay to connect those unconnected ...
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40 views
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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32 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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34 views
Using Windows 7 and two NIC with two different Class Network
I had windows 7 server with two NIC the primary is using IP 172.21.42.202/24 with gateway 172.21.42.254 then the second NIC as secondary with IP 192.168.1.100/24 with no gateway.
The other client PC ...
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180 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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135 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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54 views
Intel Corporation 82540EP NIC and “rx_missed_errors” at 140Mbps
I have an Intel Corporation 82540EP Gigabit Ethernet Controller which uses module e1000 version 7.3.21-k8-NAPI. While it is a GigE NIC, I receive "rx_missed_errors"(ethtool -S eth0) already in case of ...
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171 views
Acer Aspire 5720 network driver
I have an acer aspire 5720 freshly formatted to win7 x64
I tried installing the drivers found on the drivers page on the acer website however they either install and end up doing nothing or fail to ...
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67 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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225 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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68 views
Do USB NICs “look” like regular NICs to OS and applications?
I have installed Untangle in VM on my Win 7 notebook for evaluation.
My Win 7 notebook only has a 1 regular NIC port 10/100/1000GB and a Wireless 10/100/1000G.
During installation Untangle quit on ...
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265 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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44 views
How to adjust the connection speeds of LAN connected computers?
I have a Intex fast ethernet switch which has 8 ports. If I want to increase or decrease bandwidth of a particular port on switch, how would I do so?
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29 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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106 views
IPcop proxy configuration to use only 1 nic
Is it possible to configure both the 'Green' and 'Red' interfaces in ipcop to use the same nic?
This is for the purposes of the built in squid proxy.
I can't see how and I'm trying to avoid buying ...
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63 views
Broadcom Advanced Control Suite
Recently, I have downloaded Broadcom Advanced Control Suite, I use it to team up nics, I have noticed they have a new feature called probe target I am not quite grasping the purpose of it, from what ...
