Loss Of Network Connectivity

Jun 11, 2009

This has been an issue since I upgraded to 7201. It isn't constant, and seems to be worse when I'm downloading large files, especially multiple files from one source (like an album in iTunes). It is fixed by release/renew (or just letting Diagnostics do that).

If I'm not using a lot of data (regular web browsing, working on a database online, etc), it seems perfectly fine. It is holding so far downloading one track at a time on iTunes, but if I do 2, it drops the connection.

I'm using the Home network config, router is working normally, and I can't recall this happening before 7201. I've reset the router, upgraded firmware, and it only happens on this PC. I've set WINS, tried all settings for TCP/IP 4 and 6, and using the other ethernet port on my motherboard.

More of an annoyance, really, but I can't figure it out and it is bugging the hell out of me.

EDIT: I can still get 1 mb/s on a single download, but trying 2, I get 600/400 for about 10-15 seconds until it disconnects.

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Loss Of Wireless Connectivity?

Feb 2, 2011

All of a sudden, my wireless adaptor went offline and I wasn't able to detect any wireless networks in the area..

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Sep 26, 2012

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Jun 28, 2011

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Jan 11, 2010

Two days ago I lost internet connectivity suddenly on my desktop (Dell XPS 630i, onboard Nvidia network controller, running windows 7 Home Premium 64bit) and have been unable to restore it. As my laptop (winXP sp3) can still connect to the internet and the router settings have not been changed (Dlink DGL4500), I'm making the assuption that my networking problem resides on my desktop alone. the network adapter gives me a 'limited connectivity' symbol and refuses to connect to my network, even though the router acknowledges the desktop's wired connection. The troubleshooting diagnostic sometimes finds nothing, sometimes finds that the computer is not obtaining a proper IP, and sometimes claims the problem is the router. I've also disabled windows firewall. Throughout this whole process I have been getting a 'Drive Power State Failure' BSOD during restarts (about once every four or five restarts, not consistently).

At first I was unable to replace the drivers or uninstall the adapter through device manager. After reinstalling the drivers using the Nforce 650SLI drivers on their website, I was able to do this, but this did not solve the problem. I also did a windows restore to before the problem occured, also with no luck. I've been through the event log and there are numerous code 5007 errors, which just tell me that the adapter timed out during an operation. I've also read through some forums online and tried several solutions including adding a DhcpConnBcastFlagToggle line into the registry: SOLVED: Network Icon Exclamation: No Internet

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May 14, 2011

I have a Toshiba M750 TabletPC running Windows 7 Pro 64-bit. Never had a problem until a few days ago, possibly until I installed SpiderOak's latest version, 9810. (SpiderOak is a backup/sharing software similar to Dropbox).

I'm using IPv4 with the following settings:
Fixed IP of 192.168.200.192
Subnet: 255.255.255.0
Gateway: 192.168.200.100

DNS1: 192.168.200.144 (our SBS2003 server's IP)
DNS2: 208.67.220.220 (OpenDNS)

After I have used the computer for a day or two, IE and FF stop being able to browse, period. This is both on a home network, as well as when using Wi-Fi networks out of the house. Haven't used the laptop in the office so far. I have trace routed site names (not IP addresses, thus DNS resolves), which I am able to do successfully. SpiderOak is not running, but possibly any modifications to the OS/networking might have changed things. However, this could also not be a result of SpiderOak, but rather Windows Updates as well.

Other computers on the network (home) are able to browse the internet. I am only able to browse the net and get e-mail (Outlook) when I log into a VPN connection, and then it works fine. I have tried putting in DNS1 as the gateway IP, like all the other machines have, but the laptop cannot browse or get e-mail access - no idea why. I have tried disabling the LAN connection in Windows 7 and then restarting it, but this has no effect. No recent updates of LAN connection/drivers have been installed either.

IPConfig details:
Windows IP Configuration
Host Name . . . . . . . . . . . . : M750
Primary Dns Suffix . . . . . . . : xxxx.local
Node Type . . . . . . . . . . . . : Mixed
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : xxxx.local
Ethernet adapter Local Area Connection 15: .............

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Oct 13, 2012

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Ipconfig is:

Windows IP Configuration
Host Name . . . . . . . . . . . . : Jabberwocky
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No

[code]....

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May 4, 2012

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Nov 25, 2009

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Anyone seen this before? Hints? The disable/enable isn't a big deal but I know at some point I won't be home and my wife will have a problem and I'd rather not deal with that!

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Nov 2, 2009

just upgraded my vista 64-bit install to win7 home prem 64-bit.

everything has been working great except for an internet/network issue. at random times, all of a sudden the icon in the tray gets that yellow exclamation point over it and says there's a network issue and no internet available. it's like that until i disable and re-enable the network adapter. there are other systems on the wired router and they're still working fine (vista and xp machines).

the strange thing is it *seems* to only do it when i start doing more than one thing at the same time. i.e. trying to watch Internet while playing an online game. or, downloading a pdf while streaming music. all of a sudden, all internet goes down (other computers still working fine though). once i reset the adapter, all is well.

any ideas here?

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No Network Connection - Limited Or No Connectivity

Apr 13, 2009

Yesterday I updated to v. 2.2 Of Sun Virtualbox and have lost my connection to the Internet on Windows 7. The 'VirtualBox Host - Only Network Status' reports "limited or no connectivity". This is because "the Network did not assign a Network Address to the Computer". I have not been able to solve this problem, the icon in the sys. tray has a yellow marker against it.

I have normal connectivity on Windows XP.

I cannot wind back using System Restore as there are no restore points. I do have a drive image of my C; drive dated just prior to the update, would this work?. Is there an easier way?.

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Nov 27, 2009

I had my Windows 7 running for 3 days with no issue, perfectly i must add, but up from Tuesday I'am struggling with really critical network issue.

I'am really turning on this forums as last resort, and I'am closer and closer to roll back to WinXP (which i really don't want...). But let me begin describing the problem from the beginning.

Some hardware specifications:

Windows 7 x64 7600 Polish Version

Motherboard: Asus P5QL Pro (with Intel chipset)

Network adapter: Atheros AR8121/AR8113/AR8114 PCI-E (On Motherboard)

Connection: Wire, Ethernet, straight to Modem

Modem: WebStar EPX2203

Antivirus: None

Firewall: only default Windows firewall

- On Tuesday (24.11) morning (+1 gmt) I've installed drivers to my Network adapter which were in Windows Update.

- While playing Team Fortress 2, i started having really akward lag. I was able to hear and see everything around but i couldn't react. Then after couple of minutes my net got disconnected, loosing connection to the internet for a brief moment (up to 1 minute)

- I've blamed my internet supplier but the lag continued throughout whole day. Even during phone session on Skype it managed to last 5-30 min, finally ending with short net disconnection. Steam games weren't the only one affected, as while playing Borderlands i have also suffered from a lag, same type of lag like in TF2 (heard, and saw but couldn't do anything in-game)

- Until today, I've reinstalled (that is uninstalled adapter then installed, also in Safe Mode) drivers for my Network Adapter many times. Forcing Windows to not install his own, but only that which i chose, picking from all 3 drivers (from newest to oldest) which are supposed to be supported by Windows 7.

- I have also dabbled with Task Offload and unchecking IvP6, turning off Windows Firewall, but none of these brought any solution.

- Now I'am after fresh reinstallation of Windows 7, thinking that will resolve everything. But after i've installed every needed driver (for Graphic Card, Intel Chipset, HD Realtek Audio, updating DirectX, without updating Windows at all) and launched Team Fortress 2 to test out if lag is still present i've sadly encountered same as pre-reinstall of windows7.

Any ideas?

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Feb 23, 2011

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latest windows updates
latest word processing and client updates

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Nov 5, 2009

I work at a company in the UK which is attempting to start rolling out Windows 7 to all computers (early adopters and all that, it's just a lot easier than the current mishmash of OSes we have!). One of the 4 users migrated so far is having an odd issue with her wired network (her network controller is a "Broadcom Netlink Gigabit Ethernet"). She's the only person not from the IT dept or the MD of the company to be moved across, so we set her up as a non-administrator to avoid problematic software etc etc.

Suddenly, 3 days ago, whenever she switched on her computer, the connection would claim "Limited or No Connectivity" (even though she appeared to be connected to the Domain), and there was no Internet access. Having played around with numerous things (driver updates, both from Broadcom and HP - the laptop manufacturer, being the main one), I found the only way to get it working again was to disable and re-enable the network controller. The problem with this is that it required a UAC authorization (even though I'd set UAC to never notify), and that requires a domain administrator password (which is a pain in the wotsit).

Anyway, I figured, reluctantly, that if I set her account up as a local administrator, that at least it shouldn't require a password to reset the device. Rebooted the PC, and suddenly the wired network started working from boot without the need to reset the controller.

My question is - has anyone else had any issues with non-administrators being forced to reset their network controllers to get internet connectivity, and is there a known fix?

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May 6, 2009

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Any ideas from anyone?

I am close to reinstalling.

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Dec 13, 2009

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However I now have a persistant loss of network connectivity mostly connected with large file UPLOADs, it has happened after long absenses where I don't really have a connecting event but more often than not it happens during a sync with my dropbox.com account or with my windows home server (on the network).

I try to let the Network and Sharing Center repair the connection but that fails, when I try to reboot it usually hangs during the shut down process and requires a reset to get it running again.

This did not happen over 3 months of heavy Windows 7 RC7300 use with EXACTLY the same hardware. When the XPC is showing no connectivity I have full internet and intranet access from my Win Home Server (wired) and netbook (wireless) on the same router.

AMD 64 X2 4400+

2gb crucial RAM

500gb Seagate SATA hdd

ATI Radeon HD4300 vid card

Win 7 Home Premium (32bit)

Onboard NIC - Via Rhine II Fast Ethernet Adapter, driver v 1.12.0.0 (7/20/2009) - latest version available

D-Link DIR 655 Wireless router fw 1.32NA, 07/09/2009 - latest version

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Nov 16, 2011

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Feb 17, 2012

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Jun 14, 2012

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Dec 28, 2009

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cake poker

windows live messenger

pokerstars

itunes

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the error messages im getting are connectivity errors,the programs download and install just fine but they just wont connect. my IE works just fine.

can anyone help me!? like i mentioned above its urgent, moving countries tomorrow and really want to get this sorted before i go if possible, thanks alot!

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