Ubuntu Networking :: Realtek 8185 Disconnecting After A Few Hours?

Oct 2, 2010

I'm using Ubuntu 10.04 32 bits and a Realtek 8185 wireless card. The card worked perfectly fine with WPA for a long time in Windows 7, but on Ubuntu I'm having problems. Using it without installing anything else makes it work for a very short time. It disconnects after a while and I have no other choice but to restart the computer.

Using windows drivers and ndiswrapper doesn't work at all (in fact it makes things worse because it stops recognizing my card at all). Using the linux drivers from Realtek's website is what works the best so far. I had to compile them and install them. But it still disconnects after a few hours if I'm using WEP (and only after a few minutes if I'm using WPA). I looked at other people with 8185 problems in this forum but their solutions didn't work for me.

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Ubuntu Networking :: Realtek 8185 Not Working ?

Feb 15, 2010

I am brand new to ubuntu (I installed it about 2 hours ago on my new PC). Everything so far has seemed really easy and straight-forward, but I am having problems trying to connect to my wireless network.

I have a Realtek 8185 wireless card, and have the disk with the inf file on it. I installed ndisgtk but when I pointed it to the inf file, I got an "error while installing" message, then it showed up in the list of currently installed drivers in ndisgtk but as an invalid driver. I'm not really sure what I'm doing wrong.

I actually have another wireless card in my old PC (a belkin of some sort) - would I be better off using that? I'm using an ethernet cable at the moment and it works absolutely fine, I just plugged it in and off I went.

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Ubuntu Networking :: No Wireless Internet With Realtek RTL-8185 In 10.04?

May 12, 2010

Im not able to establish a Wireless Internet connection in Ubuntu 10.04.

Ive tried these steps:

1. Wireless Internet did not show via the Network-icon. Only the 2 LAN-gates where shown

2. I installed the Windows Driver (net8185.inf) via ndisgtk package

3. After restarting the computer, 2 LAN-gates and 1 WLAN where listed via the Network-icon

4. Normally WLAN should automatically start scanning for available networks, but that didnt happen

5. When I tried to connect to my own network, the computer tries to connect for 1 minute and than stops because no connection could be established

6. A wired Internet-connection does not give any problems

- I first had Ubuntu 9.10 but I wasnt able to make a WLAN connection either. I followed the same steps. After that I upgraded to 10.04
- iwconfig in Terminal gives an IP-address which consists of 12 identical characters.
- lspci in Terminal shows these data:
01:00.0 Ethernet controller: Broadcom Corporation NetLink BCM5787M Gigabit Ethernet PCI Express (rev 02)


My questions:

- How to create an Internet connection via my WLAN-card?

- How to install the option to search for available networks automatically?

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Ubuntu Networking :: Realtek 8185 Rejecting Wireless Key?

Mar 3, 2011

Just installed ubuntu on my computer, but when I try to connect to my wireless I type in my password and it doesn't connect.

It says its WPA/WPA2 and won't let me change that (I am not sure what mine actually is)

Im using a virgin media 'superhub' to connect but have changed the default wireless password.

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Ubuntu Networking :: Realtek 8185 Wireless PCI Not Being Recognized?

May 30, 2011

I recently upgraded to Ubuntu 11.04 (natty-64 bit) and my wireless PCI card is not being recognised by default. Previously, when I upgraded to 10.10 I had to go to the Realtek website, download the driver for RTL8185 and install it (following instructions in the readme file) to get my wireless card recognised and working properly. This time around, that approach doesn't seem to work. When I try to install it using "make" I get the following error:

make: *** /lib/modules/2.6.38-8-generic-pae/build: No such file or directory. Stop.
make: *** [all] Error 2


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Ubuntu Networking :: Wireless Realtek 8185 Card - Can't Make An Ad-hoc Network?

Jan 11, 2010

The card is recognized by Ubuntu 9.10 and I have it in the network manager. I followed one tutorial about creating an ad-hoc network and all looked good, until I actually wanted to connect (or to be more precise, my machine is a host for other computers). The wireless icon just loops endlessly, without connecting and eventually I get "Wireless network - disconnected" message.

So, the main issue here is - connecting! I just can't. Also if you know/have some good tutorial for ad-hoc,

ivan@ivan-desktop:~$ iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"internat3"


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Ubuntu Networking :: PCI Realtek RTL-8185 "wireless Disabled By Hardware"

Sep 1, 2011

For reasons of "soon to arrive baby taking over my office" I have had to install a wifi PCI card in my PC. It's a TrendNet TEW423PI and the chip is a Realtek rtl-8185. the card will not connect and if I hover on the network manager widget, it says "wireless disabled by hardware". I have run a few commands to try to understand what is going on but I can't see anything wrong.


macdo@McMachine:~$ sudo lshw -C network
[sudo] password for macdo:
description: Wireless interface
product: RTL-8185 IEEE 802.11a/b/g Wireless LAN Controller


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Ubuntu Networking :: Realtek RTL-8185 With Ubuntu 10.04 64bit?

Jun 21, 2010

I've been busy all day searching forums to get my RTL-8185 to work -consistently- on Ubuntu with no luck. Now most threads were quite old and were about older 32 bit versions of Ubuntu, so i'm wondering if someone found a way to get this card working properly with a fully up to date version of 10.04 64bit ? (uname & lspci output below)

The best (/least bad) result so far was to unload the rtl8180, clear the auto wlan0 setup in 'Network Connections' and reload rtl8180. I tried the ndiswrapper way with the 32 & 64 bit XP drivers but it complained in -both cases- that the 32b driver wouldn't work with a 64b kernel and wlan0 didn't show up in iwconfig.


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Ubuntu Networking :: Wifi Keeps Disconnecting ?

Mar 9, 2010

Wifi seems to disconnect fairly requently, sometimes reconnecting automatically and sometimes requiring me to re-enter the wep password.

I would like to make it so it stays connected.

The router is not very close, but I think it's close enough. I even moved it closer. Other devices (such as my N900 mobile phone) hold the connection without issue.

One complication is that there are several devices all with the same SSID, though there should be one which is clearly stonger.

Details below.

1 ) Machine Brand and Model (PC/Laptop):


2 ) Wireless Brand, Model and Wireless Chipset:


3 ) check interface:


4 ) Check for modules:


5 ) Kernel boot messages


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Ubuntu Networking :: Wifi Keep Disconnecting In 10.04?

May 19, 2010

I never had this problem with Ubuntu before and I am now confused. This is a clean install and I have not change anything about my AP so don't why this is happening.

Every 5min or so my wifi keeps disconnecting and sometimes have problems reconnecting. I also have Windows on this machine and it does not do this at all. My AP is set to channel 9(changing it makes no difference), WPA2. Logs below

[ 15.668746] alloc irq_desc for 33 on node -1
[ 15.668748] alloc kstat_irqs on node -1
[ 15.668768] iwlagn 0000:02:00.0: irq 33 for MSI/MSI-X
[ 15.696615] alloc irq_desc for 22 on node -1


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Ubuntu Networking :: ZTE MF637 Keeps Disconnecting After A While?

Aug 13, 2010

I have recently purchased a cellular usb modem, a ZTE MF637. To my surprise and pleasure the device worked (almost) out of the box (almost, because I had to supply a user name and password to the wireless broadband connection properties).

Anyway, the problem is, that the connection work fine, but only for 20 minutes or so (I did not actually measure it), then I experience 0 network activity, and shortly after that the connection drops, and the device is no longer recognized as wireless broadband.

What I do is remove the device, replug it, and after a minute it reconnects. until the next drop.

I'm using Lucid on an Asus eee 1101HA.

Oh, one more thing, in lsusb, the device is listed as MF636, but the box reads MF637. I don't know if it matters, but there it is.

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Ubuntu Networking :: Wireless Keeps Disconnecting On 10.10?

Nov 8, 2010

I have always had trouble in the past getting wireless adapters and what not to start working on Ubuntu but with each 6-month upgrade most problems are fixed while new ones are made. Since Ubuntu 10.10 just came out I thought I'd give it a go and test it with my hardware.

Before 10.10 Ubuntu could not connect with my wireless device and I had to do many things with gedit and such to get it working. After I have upgraded to 10.10 Ubuntu now recognizes my wireless device and network and I can search the web...but wait here it comes.

Literally minutes after a fresh install and first connection to my network my wireless signal will drop and prompt me to reconnect. Of course the first thing comes to mind I reconnect which doesn't work so I unplug the device and replug it making it works...Two minutes later my connection drops again and so I so reboot, and if you really want to know what happens next just restart this paragraph.

Things you need to know Operating System - Ubuntu 10.10 64-Bit Wireless Adapter - Hawking HWUN3 Hi-Gain Wireless-N Network USB Adapter Router - Apple Airport (99% sure it has all updates)

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Ubuntu Networking :: Error Disconnecting VPN

Apr 21, 2011

When you access the VPN service gives this error below.



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Ubuntu Networking :: Wi Fi Keep Disconnecting Regularly?

Apr 28, 2011

i installed ubuntu 10.10 remix netbook edition on hp mini 110 last day. my wifi is working fine its connecting every network only problem is it cant keep its connection constant, i mean it keep disconnecting frequently. once it disconnect i tried to connect again but it connects but i can not surf internet.

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Ubuntu Networking :: Wireless Disconnecting Every Few Minutes?

Jan 16, 2010

I have a Toshiba Satellite M55-S325 (as it came from the factory, no mods), a Linksys WRT54G router, and Ubuntu 9.10/Karmic with all updates. I've had issues since I upgraded from 9.04/Jaunty to 9.10/Karmic. It did work for awhile (I think a few days), but then it suddenly just couldn't find our wireless network. I reformatted (with 9.10) thinking it had just been a bad install - now I can connect to our network, but it throws me off every two minutes. My roommate (Dell laptop, Vista) has no problems with the internet, and I've visited a friend (in another state) and used her wireless internet without issues (though I couldn't tell you which router they were using). I've gone into our router's settings (with both my laptop and my roommate's) to reset the router or change the security settings, but with no real progress.

Here is my ifconfig results:

eth0 Link encap:Ethernet HWaddr 00:0f:b0:87:b3:80
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0


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Ubuntu Networking :: Wireless Disconnecting In 9.10x64

Feb 13, 2010

I recently did a clean install on my ASPIRE 5490G laptop with 9.10x64 and am having some odd problems with wireless.

The wireless will suddenly drop and ask me for re-authentication of the encryption key which I put in. Then it will ask me again. It will then refuse to connect to the router.

If I hit cancel then on the notification area the nm-applet will not have the router listed in the wireless networks .

If I kill the nm-applet and restart it with ALT-F2 and run nm-applet --sm-disable it still does not show the networks available.

I know it is not the router as my flatmate who I share with uses a laptop with Windows 7 and they have no problems.

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Ubuntu Networking :: How To Resume SSH Session After Disconnecting

Mar 7, 2010

I'm currently using putty on my laptop to control my headless server (both Ubuntu 8.04.) I'm running an rsync job that ran all night long and still going all day today so far. I need to restart my laptop, but if I do, I'll break the SSH connection. If I SSH back in, I won't see the same thing (rsync is showing me each file it's copying) that I'm seeing now. (At least I think that's true. Please correct me if I'm wrong.)

So I guess my questions are..Is there some way to restore my SSH session when reconnecting? (So I can resume seeing which file is being copied and - more importantly - when the rsync job (finally) finishes?If not, how else can I know when the rsync job finishes?

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Ubuntu Networking :: Wrong DNS Address After Disconnecting From VPN?

Mar 17, 2010

I updated Kubuntu from 8.10 to 9.04. After the update, I saw a problem with VPN connections. I am using an mac pro with 2 ethernet ports. Only one of them is connected to switch. I am using a static IP in my local network. The problem is that I lose dns information after connecting and disconnecting to a VPN by KVpns.As I am using static ip, I entered my dns server to resolv.conf file with "nameserver". My interfaces file is as follows:

auto lo
iface lo inet loopback


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Ubuntu Networking :: Wireless Internet Disconnecting / Fix This?

May 3, 2010

Brand new to linux/ubuntu..Just downloaded the most recent version. Well when i try to connect to my network....it connects...then about 2 min later it disconnects and i have to unplug and replug my adapter.

Using a belkin usb wireless adapter.

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Ubuntu Networking :: Wireless Keeps Connecting And Disconnecting ?

May 18, 2010

I am new to Linux and just put Ubuntu on my pc when i am using Ubuntu my wireless keeps connecting and disconnecting. Im not sure what I am suppose to do.

My laptop is a Sony Vaio NW130J

The wireless card/driver is Intel WiFi link 5100 AGN

I dont know anything about Linux so if you could please explain it as easy as possible.

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Ubuntu Networking :: Wireless Not Working In 10.04 - Disconnecting Again And Again

Jun 1, 2010

I installed ubuntu 10.04 a few days ago. And I am running into a few problems wherein my wireless network disconnects and prompts me again for password.

Even when I re-enter it (correctly of course) I cannot reconnect and I have to do a system restart. After the restart, the wireless stays connected but disconnects again after a while and I find myself stuck in this loop.

I do not know if the following is any help, but below I am producing the output of lspci command and a few log messages that I think maybe related to this problem

Here is the output of lspci command

And here are some messages that show up quite often in daemon.log

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Ubuntu Networking :: Ethernet Keeps Disconnecting And Reconnecting?

Oct 26, 2010

I installed 10.10 for some days ago, networking was working smooth back then. I use a ethernet cable to connect to the internet.But yesterday when I installed 10.10 on my brothers laptop(he connects through wireless), I began to get these disconnects and reconnects.They just seem to happen random.

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Ubuntu Networking :: MSI Wind 100 Keeps Disconnecting From Network?

Jan 25, 2011

I have a MSI netbook, U100, on which I've installed Ubuntu 10.10. This keeps disconnecting from the network, though the applet shows me that the netbook found it. I mention that I have a wireless network and another laptop, with WIN 7, where I have no problems with the Internet connection. I also have a 3G USB modem, which let me connect without problem.

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Ubuntu Networking :: Internet - Router Disconnecting ?

Feb 14, 2011

My router is a Netgear router with Comcast, and after going on Ubuntu for a couple hours just doing normal things, the Internet disconnects. Then I have to restart my computer and start everything over again. I check the router and everything seems to be fine, I even unplug everything on the router first (like I am instructed to do so if this sort of thing happens) to make sure that's not what is causing the problem. It has to be the Ubuntu system.

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Ubuntu Networking :: Wireless Keeps Disconnecting And Connecting?

Feb 15, 2011

I just bought a new laptop. This one came with win7 home. The wireless works perfect. Today I installed ubuntu 10.4 next to windows. I made a first connection which went easy. But after 30 seconds it disconnects. Then it tries 30 seconds to reconnect. It reconnects and after 30 secodns or so, it disconnects again. It keeps doing this all the time on ubuntu while on windows it works without any problems. This is what sais under the device manager for my wirelesscard stuff:

Intel(R) WiFi 1000 BGN
Microsoft Virtual WiFi Miniport Adapter #2
Microsoft Virtual WiFi Miniport Adapter
Realtek PCIe GBE Family Controller


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Ubuntu Networking :: Wireless Disconnecting Every 2minutes 11.04?

Aug 12, 2011

I'm finding my wireless connection is disconnecting alot, I never had this problem when I was runnning windows 7. I have tried running wicd client but found it was doing the same, then uninstalled the normal network manager and tried just using wicd but it kept saying bad password and wouldnt connect at all. Even though it would work fine but disconnect alot when i still had network manager on.

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Ubuntu Networking :: Can't Reconnect To Internet After Disconnecting

Aug 16, 2011

Here is my problem:

I can reconnect to internet after disconnecting (this happens every 3-4 hours) only if I manually poke out and in ethernet cable to network adapter or reboot ubuntu. Even restarting network-manager not helps. My provider provides internet over pppoe. I have "DSL-connection 1" item in network managers gui menu. And that item disappears after disconnection.

pppd runs with following arguments: lcp-echo-failure 3 lcp-echo-interval 20 So where can I change this parameters, where is that configuration file?

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Ubuntu Networking :: Rt2800 Wireless Disconnecting Frequently

Apr 23, 2010

My wireless card disconnects frequently and sometimes it won't even connect at all. I've googled the card and the driver and it looks like others are having similar issues as well. [url]-[url]

My lspci | grep -i network is as follows


Under iwconfig, it's identified as wlan0, and I'm running kernel x86_64

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Ubuntu Networking :: Wifi Keeps Disconnecting -how To Make It Connect

Nov 11, 2010

I'm running Ubuntu 10.04 64bit on a 15' Dell Studio After doing an update my internal wireless will not connect to my wireless network. The card is on, I can see networks around me, but it will not connect to mine. It just acts like its connecting and then disconnects.

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Fedora Networking :: Wifi Keep Disconnecting ?

May 29, 2010

Its been like this since fedora 12, in fedora 11 its no problem, i hope it will be fixed in fedora 13 and i am waiting..., and after fedora 13 released the problem is still the same...

I use Intel 3945ABG. wifi connect with no problem and after few seconds its disconnected, and re-asking my saved password (which is stupid since i save the password so fedora won't ask me that stupid question again).

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