Linksys Wifi Network Adapter Very Unstable On Desktop / Windows 7

Mar 21, 2011

My desktops _usually_ connect, and then the connection will drop/go slow(14400 slow)/give that little yelow triangle on top of the wifi icon.First i had an edimax wifi PCI, now i have a trendnet wifi PCI. They both do the same thing.If i connect my HTC hero and start internet sharing, it works very well, and is stable. My ethernet works fine as well. It is like my computer is immune to PCI cards?I have tried with different wifi APs now, but its still the same.I have a zyxel adsl modem, and a linksys wifi AP hooked up to that. I noticed, that when my desktop is connected, the zyxel will get some kind of overflow from the linksys. It says "client reached max number of sessions per host" It's like my desktop is killing the network. I have tried many things. Drivers, fail safe, registry cleaner(I know), killing all unnescessary program, switching the PCI ports, but none of it seems to work.

I had my laptop running connectify (access point app) and it actually worked fine, but today it won't connect to that either.I'm going to create another partition on my harddrive, and install fresh windows 7 on that, and see if it does the same. But even if it doesn't I _want_ to find out what is causing this instabillity.When i try running the network diagnostics, it says DNS error, or that the router is fail. But my laptop works fine.Also, when doing speed tests, my laptop gets normal speeds, and my desktop is VERY slow DL, but normal UL ?In speed tests my desktop is very slow, but stable, but during the test, my laptop will first go like 2 mb/s - 3mb/s DL and suddently BURST up to like 64 mb/s although i only have 10 mbit line? It's like its buffering or something. Very weird behaviour, but working fine.And no, i do not have torrent programs or whatever running.Some says that i shout try and change wifi channel and bands, and avoid "mixed" mode, but none of it works. Always the same problem.ATM. my computer can't connect to any wifi at all. It keeps having the yellow triangle.

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i have a hp cpu and i want to use my Clear wfif to connect to the internet. I was told that I need an adapter for a CPU to use the Clear signal. I was told that the wifi is really for laptops with built in adapters that cpu's don't have. best adapter to use for my application.

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Mar 26, 2013

I have an Acer Aspire X3950 desktop, I am running Win7 and have tried two different wifi adapters and they install but they will not connect. It is almost as if my computer itself is blocking the adapter.I spoke to an On Networks rep for over two hours and he tried everything from reinstalling to rebooting and tried three different drivers. He was from a different country and when I told him what the troubleshooter said he would not deviate from the script they give them 2 hours and he was not even close. It saw the device but it wouldn't even blink.Acers website nor customer service will assist me because my warranty is expired. They want me to send the computer back but I have a feeling it is an easy fix I just don't know enough about computers to say oh just uncheckmark this box.I know in the past I used wifi but switched to an ethernet cable.

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Oct 3, 2011

So I recently updated my desktop to windows 7 and I have lost the CD for my E3000 router. My desktop doesn't have a wireless adapter I always had it set up on a direct connection. So I went to the E3000 support and downloaded the software on my laptop and burned it to a DVD and put it in my desktop so I could update the drivers manually and be able to connect to the internet. But it seems the software only supported wireless connections, am I just sol?  Is there some way to get my desktop to update the drivers for the router?

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Feb 8, 2013

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But same condition with above, cheaper wireless router no problem at all. It happens only with EA4500. And there are no any parameters setting menu actually.

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Mar 20, 2011

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Oct 2, 2012

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The computer say "Windows could not find a driver for your network adapter" I have tried many things i have found on this forum and nothing. So maybe a link to a driver? my Router is a Linksys WRT54GL and has always worked.

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Jul 23, 2012

I recently replaced my old WRT54G router with a E3200 router.
Unfortunately, ever since my wireless network is a lot more unstable than before. I very often experience serious lag spikes and drops in speed. Very often I experience serious lag for a couple of seconds after which everything returns to normal. I notice this the most in online gaming, but it is also noticeable while browsing the web. When downloading large files (e.g. steam games), the download speed also seems to suffer from this by dropping every now and then.
There are no connection drops however. And it only seems to affect the wireless network.
I have configured the E3200 router manually using the Web UI and is has been configured exactly the same as my WRT54G: i.e. only 2.4GHz band enabled with b/g/n, WPA2 security, MAC filtering on, no throtling/parental control/port forwarding, UPnP disabled. The E3200 is in the exact same place as the the WRT54G was.
Things I have done so far for troubleshooting: I used inSSIDer to monitor the wireless network and it's signal strength seems about the same as the WRT54G. I changed channels for best signal strength (there is only one other wifi network that seems to be configured as a dual channel N network; 3 other networks with very low signal strength) and have tried every channel.
I updated the fimware to the latest version (Ver.1.0.04 (Build 1)) and did a factory reset and power cycle afterwards.
I noticed that switching channels can account for 5-10Mbps differences in internet speed. Something I never noticed with the WRT54G. The lag spikes occur more often on some channels than on others. This seems not related to the speeds I get on the channel.
I really can't imagine that a router marketed as High Peformance router with superior speed and superior range is less stable than my old WRT54G router.
Is there something I can do to improve stability of this router?

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Aug 28, 2012

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Computer specification: Windows XP with intel core 2 duo
Laptop specification: Windows 7 with intel core 2 duo

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Jun 20, 2011

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Dec 5, 2012

I have this USB Wifi adapter: NETGEAR WNA3100 [URL] I just bought it and thought it would work, but apparently it is def a Windows 7 problem because I have tried it with these others USB adapters only. My main objective is to create a hotspot for the house wirefree and no triping etc etc

Airlink+ 802.11g 2.0 (old) Works with XP but not on W7 (blinks)
WifiMAX Dongle 802.11g 2.0 (also old) (Sometimes blinks at intervals)
TrendNET TEW-644UB (bought last year) (Light stays on/no longer blinks)
Netgear WNA3100 (arrived just a few hours ago) (I made it blink now with its software)

I have tried(netgear):

-installing/uninstalling drivers
-uninstalling itunes
-Using a W8 procedure for it
-tried using different software
-Some other stuff

I have not tried a HKEY codes for it My biggest problem is that the "Disabled" status is stuck and I cannot re-enable it. If there is a way to override this I would be happy to hear it. Using: Windows7 Ultimate Gigabyte Motherboard/AMD chipset For the only one that is enabled(Airlink) it has some funny stuff on the status like 412 Gbps and doesn't have ipv4/6 connectivity [URL]

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Acer M3910 Running Windows 7 Desktop Won't Connect To Wifi?

Nov 28, 2011

Trouble is, it's not finding the wifi at all.

It an Acer M3910 running Windows 7.

Windows IP Configuration

Wireless LAN adapter Wireless Network Connection:

Media State . . . . . . . . . . . : Media disconnected

Connection-specific DNS Suffix . :

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected

Connection-specific DNS Suffix . :

Tunnel adapter isatap.<numbers in here>:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

Tunnel adapter isatap.<numbers in here>:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :

I can't have a wired connection as the router is too far away.Every other device hook up fine to WiFi. Just this one is completely refusing.

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Oct 30, 2011

I am making my wireless network with Wireless router DIR-600 and DWA-525 desktop adapters for my office. I created a most secured type of network WPA2. And I have to create profile for DWA-525 desktop adapter to connect to my network and it requires the network secret key to connect. But This secret key is viewable from the "Network connection manager" when one can click on modify network and click on "Show text in the password field" by everyone using this computer (I mean by all other office staff). I don't want to let any one know my wireless network secret key. Is there any way to protect the key while having the computers automatically connected to wireless network. More information is below

Model: DWA-525
Hardware Version: A1
Firmware Version: 1.10
Operating System: Windows 7
Service Pack: 1

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Sep 10, 2012

The other day I went to a friends house, came back home, booted up my PC, and my wireless network adapter wasn't working. I've tried everything to fix it.It's a D-Link DWA-525 802.11n Wireless PCI netowrk adapter. On device manager it just says 802.11 Wireless LAN Card with a yellow exclamation next to it. And when I check what the error is, it's either error 31 or 52 at different times, depending what I've tried to do to fix it.I tried downloading the driver for it off the D-Link website, nothing happens at all when I install it. I tried taking it out of my computer and plugging it in. I tried enabling it and disabling it on device manager.I noticed one thing, when it's in my computer the green light at the back that says activity next to it isn't on.

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Jan 5, 2013

I have an acer M5641 desktop and i do not have a network adapter , i reinatall windows 7 basic premium and no success

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Dec 22, 2012

I have DSL on my computer which runs windows 7, using verizon's Westell model 7500. My wife's desktop computer in another room runs windows XP. I purchased a new Linksys USB adapter model N600 which includes an installation disk for her computer. My question: How do I get them to work together so she also has internet connection for her email, etc???

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Windows 7 - Onboard Nic Disallows Usb Wifi Adapter To Work Simultaneously?

Mar 28, 2011

I have an HP W7 (Home Premium) PC.

I have a wired connection (on-systemboard network interface) to a Belkin 54g router, but the router is not physically connected to the internet (no ethernet cable out to a cable modem/whatever). The router connects several necessary peripherals - mostly wirelessly to the main PC and another W7 PC.) All this stuff worked prior to a move to a new location.

There is freely accessible Wifi in range (public library - wherein I could concievably carry the whole PC and use their WiFi with their blessing).

I attached a USB Wifi adapter to the PC to avail myself of the free service, but W7 will not allow the Wifi adapter to be seen until I detach the ethernet wire. Then it will allow me to see the available network, and connect.

How does W7 (or the system board) look at network? Are they (onboard NIC and USB) mutually exclusive? Do I need a separate ethernet adapter card or a separate USB adapter card to create a different "channel" that would allow the two networks to coexist?

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Jan 6, 2012

Since a few days I've installed my Sitecom 300N Repeater to extend the wifi signal at my home.I named my repeater the same as my wifi UPC modem (Cisco EPC3925), so the PC will see 1 connection instead of 2. I also turned off the DHCP server on the repeater (not sure what it does, but it was recommended when I was goggling around).fortunately I'm experiencing a lot of trouble. Although I can connect to the repeater, the signal is not always stable. Many times my connection speed is as low as 3 Mbps. When I quickly turn the power off and on it instantly jumps back to around 40 Mbps and stays like that for a few hours/days.It's very hard to debug this problem because after resetting the the repeater is doing very good until it slows down or even dispersers after a few hours.

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Linksys Wireless Router :: Ea4500 - Smart Wifi Interface And Windows Network Map?

Apr 17, 2013

I purchased this Router about 2 weeks ago as a phased upgrade of our Home Network, primarily to enhance media streaming. It has the latest firmware preinstalled from the factory. Prior to the purchase and installation of the EA4500 Router I replaced my old Motorola SurfBoard SB6120 DOCSIS 3.0 Cable Modem with a Motorola SurfBoard SB6141 DOCSIS 3.0 Cable Modem. My old Linksys E2000 Router worked perfectly with the SB6141, with the exception that the E2000 wasn’t IPv6 enabled, but does have 10/100/1000Base-T Ethernet (RJ-45) and Internet ports.
The EA4500 has been installed for about 10 days and seems to have improved local network speeds and I don’t seem to be having any Internet connectivity issues. However, there are some disturbing issues with the EA4500 and the AE3000 I purchased. There are 11 devices connected through the Router; a Dell Desktop (wireless with the AE3000), a Dell Desktop (Ethernet), a Dell Laptop (wireless), 2 Canon Printers (1 Ethernet and 1 Wireless), 2 Western Digital 1TB MyBookLive Network Drives (both Ethernet), a WD TV Live Streaming Media Player (wireless), an Apple TV media player (wireless), an iPad (wireless), and an Android Smartphone (wireless).
Issue 1 – The Linksys Smart Wi-Fi interface appears to be unreliable at times!!! I’ve read about this problem here on the Community involving the EA6500, so I don’t know if this is a Linksys Server issue, as suggested in a few responses, or a bug in the Router firmware, or defective hardware. However, when the interface locks up, it can’t be accessed from a wireless or wired connection. Usually, powering down the Router and then powering it back up and restart will allow it to function again. However, at times before the interface completely locks up it shows either just a white screen or the security screen will show no firewall features enabled. This is a little scary, so I’ll do a complete reset and setup; this is becoming a pain in the rear! Is there any hope for this being fixed, in this Router, not the next generation?
Issue 2 - All of my network devices show up in the Router’s Device List. Except for the Apple devices they also show up, when they are online, in Windows 7 Explorer under Network and when you click on Network they are correctly displayed as Computers, Media Devices, Network Infrastructure, or Storage. However, when you click on “Open Network and Sharing Center” and then click on “See Full Map”; it fails with the response “Windows cannot create the network map. Responses from other devices on the network are delayed or there is an incompatible router on the network”; no device map is shown. When I follow the link for more information, the only thing that stands out is “A device on the network, such as a hub or switch, is not working properly or is not compatible with the Link Layer Topology Discovery (LLTD) protocol, which Windows uses to create the map. To fix this problem, disable the device, turn it off, or remove it from your network”. All of my network devices showed up on the Network Map with the old E2000. This issue is the same on all of my computers, either wired or wireless.
I’m having with the EA4500 and the AE3000; they are both probably going back to Amazon.

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Apr 3, 2013

Region : Netherlands
Model : TL-WDR4900
Hardware Version : V1
Firmware Version : 121211

after changing from a Thomson router with wifi to the TP-link WDR-4900 I find that the wifi is very unstable. The 2.4GHz is operating on the same channel as my previous router (channel 8 - which is the lest busy channel around my house), and none of my neighbours have wifi on the 5GHz band. Almost all devices in my home regularly have to reconnect to the wifi, both on the 2.4GHz as on the 5GHz (tested with more than 8 devices). Almost every 15 minutes I see a "wifi channel disconnected" message, 10 seconds later followed by a "wifi connected" message. the Wifianalyser app on my tablet confirms that the wifi signal drops once in a while to zero. I use the latest stable frmware (I read that there is beta firmware but I don't like to loose warranty). The stability seems to unrelated to the amount of traffic on the wifi network.

Will this be fixed in the next firmware of the TP-WDR-4900 ?

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Feb 29, 2012

I have a computer in my room that I use and my parents have a computer in the work room with an wifi networking system. I have no access point to connect to the internet so how can I connect to the wifi?

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Oct 6, 2012

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May 24, 2011

My primary home machine loses network connectivity for a very brief moment once or twice a day. Here's what I've observed over the past few months:

Seems to happen every 12 hours after a restart Disconnect is very, very brief. Putty sessions, online games, or other applications that require a consistent connection disconnect but it's rare that I can see a ping fail when everything else disconnects.Does not coincide with network problems on other machines (Xbox/media PC/wife's PC).

Other details about my system and home network:

Windows 7

Asus motherboard (couple generations old) with onboard ethernet

Ethernet > wired hub > wireless router > cable modem (wife's PC is connected to the same hub and does not have the problem, at least not on the same schedule)

Things I've tried (and will probably now try again just in case)

Restore network card driver (I'm in the process of finding a specific one for my motherboard)

Tinkered with power saving settings in the ethernet card drivers.

Fully up-to-date Windows install.

Static IP address reserved by the wireless router running DHCP

I'm not 100% sure, but I think this problem persisted across Windows OS upgrades (from Vista to Windows 7 a few months back)

By far the weirdest part is that it seems to happen every 12 hours. Like clockwork, I can predict that I'm going to disconnect from any persistent online connection if I know the last time I restarted my machine.

Solved:I caused my own problem long ago when trying to set static IP addresses in my home. I have a Netgear Router (WGR614v9) and I played with the Address Reservation feature. In addition, I manually set the IP address I wanted to have on my machine using the normal network card properties. Setting the IP address manually is what seems to have caused the conflict.

Finally looked in the Windows Event Viewer and the culprit was quickly identified. At time of restart and every 12 hours later, the following error appeared:

The IP address lease for the Network Card with network address XXXXXXXXXX has been denied by the DHCP server (The DHCP Server sent a DHCPNACK message).

I accidentally fixed it for all affected machines by changing the start address of the DHCP server on the router (increased it from 20 to 30). That seemed to kick all the manual entries out and set them back to automatic obtain mode.

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Apr 26, 2013

Region : Hongkong
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Hardware Version : V1
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ISP : PCCW Netvigator

I have upgraded to the latest firmware which solved lots of problems regarding unstable wifi connection as well as BitTorrent / P2P transfers.But I also observed that when my BT is on (Transmission for Mac) at around 50KB/s upload and download, my network latency hikes up from some 30ms to 500ms which affects a lot on web browsing or other apps requiring Internet.My BitTorrent app is showing I am merely making some 20 peers connection so I am not convinced that is an ISP problem but it's more about the router.

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Jan 17, 2013

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Oct 3, 2012

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Apr 15, 2013

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