Only My Computer Suddenly Can't Connect To Internet

Feb 20, 2013

A couple days ago my gateway nv53 running windows 7 suddenly shut down not too long after a virus was found, upon restarting the Internet is no longer connecting and saying it is connected with "limited access". My iPhone, Xbox, and other devices in my apartment still function normally and only my computer is not connecting.

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Computer Suddenly Won't Connect To Wireless?

Oct 3, 2011

A few days ago my desktop was working flawlessly, then yesterday it became really slow and evensually disconnected every 5 minutes. Now today, it wont even connect to any network. Sometimes it doesnt even show networks, but my laptop is still working? What the heck has happened? Im running win7, the wireless card is Ralink RT61 Turbo and I have a BT home hub.

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Feb 28, 2013

This is what I am working with:

1. Laptop LENOVO Refurbished (2012)
O/S: Windows 7 home premium Version 6 (build 7601: Service pack 1) 64 bit
Processor: Intel i5 - 2450M, 2.50GHz, Intel 64 Family 6 Model 42 stepping 7
Hard Drive C: 380GB HDD Free: 421 GB
D: 28.9 Free: 28.9

[code]....

Modem: Videotron Arris Model: TM502G
Router: Netgear N900 Wireless Dual Band Gigabit Router WNDR4500

how to use a computer in the time before Windows, comfortable with using command prompt. Have fixed many issue over the years with old and crappy computers, through research. Not very familiar with wireless connections. Last week laptop started freezing on Windows load, going automatically to safe mode. If I restart the computer after loading in safe mode, Windows opens fine the second time. Have tried stopping all other programs from loading at start up. If I do a system restore, everything works fine for a few days, then starts freezing on Windows load again. When Window does load I get the application error: The application was unable to start correctly (0xc0150002) click ok to close. but can still log in to Windows. Also, When I plug my cell phone, via USB to computer it charges fine and can upload and download between the phone and laptop, however, if I connect a (USB) thumb drive I cannot open the folder, save to it or open from it. This is the issue I wish to fix first so I don't have to keep switching between my ancient and slow CPU and my Laptop trying to fix the above problem(s): Laptop recently stopped connecting to home WiFi (automatically or manually.) Ran troubleshooters, suggested I do a full power off the router and turn it back on. Did that still not connecting. Did a full power off of laptop and modem and router and restarted everything. Still doesn't work. Used manual Diagnostic tool and it fails the association test, suggests that I check the profile. I don't know much about wireless as I said, so I do not know what profile I need to check or where it is located.The laptop does connect sporadically to the internet at home, via WiFi, for a few minutes at a time on its own, according to the wireless network connections. During this time I see one of two messages in wireless network connections: Unidentified network or limited access. If I go into the network sharing centre it says I am connected to an unidentified public network and shows that this network is not connecting to the internet. If I use the manual diagnostic tool at this time it passes the association test but fails the ping test.

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Oct 4, 2011

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May 15, 2011

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Jul 23, 2011

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Aug 8, 2011

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Mar 3, 2011

The problem i am experiencing is that on my home network i have been using for several years now one computer on my network suddenly cannot get online..however it can connect. They determined that all is working well and all settings are as they should be. I then contacted my ISP, Cox communications and was essentially told the same thing. This is after going through several tests with each, such as ping tests, turning the gateway off/on, reviewing settings such as TCP/IP, DNS, etc, etc. The findings were that i have IP addresses and everything else that should be there. Ive turned off the firewall, disabled antivirus, reset tcp/ip stack and winsock. I have been working on this for two days and after paying for it still do not have it fixed. The computer acts as it normally does, no other problems except that when i press the IE icon to open a browser window it tries to go to my homepage, google, but then reverts to the "page cannot be displayed screen". This computer is running XP SP2 and is a wired connection(although it was wireless when i first experienced the problem because i have a network adapter installed as well..but i disabled it and enabled my LAC and used the ethernet cable because this is one of the exercises cisco ahd me perform to see if i could connect wired/wirelessly.. better bandwidth anyway at 100mbps compared to the 56mbps with the wireless-g adapter). The othe computer is a laptop running windows 7.

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Aug 3, 2011

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Most of the related issues I've searched for were all viruses but since this is brand new and has never been online that is not the case...unless an HP tech decided to play a cruel joke of course!

Could it be the network card? I didn't think so since it connects locally but who knows. I also disabled and enabled, took our sonicwall down and tried to obtain settings automatically, nothing works!

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Apr 22, 2012

the internet connection to my computer was fine. Nothing wrong with it at all. I turned my computer off and went to bed. When I woke up the next day morning and turned my computer on, there was no internet connection. I turned my computer back off and went to school.I tried unplugging and plugging the Ethernet cable back in, but it will no longer connect with the Ethernet cable. I have managed to get it to work wire lessly.

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Apr 22, 2011

My computer will not connect to the internet, it was working fine then all of the sudden disconnected, I have tried all the basic things like restarting the modem and using a different Ethernet, but none of those worked, so I am convinced that the problem is with the computer itself. I have it set up so that my netbook(which I am using right now) is wirelessly connected to the internet, and I have a ethernet cable going from the netbook to my desktop, giving the desktop internet(until it had this connection problem). I am using windows xp professional, and I have spent a lot of time browsing to try and fix the problem, but so far it is to no avail. First I'll start by saying when i try to repair the connection it comes up with the message " the following steps of the repair operation failed: renewing the IP address" I tried using ipconfig /release then ipconfig /renew, but when I do this it says "an error occured while renewing interface local area connection: unable to contact you DHCP server. request has timed out" when I type in "ipcofig" it says my IP address is 169.254.xxx.xx, after researching more i found out that this is bad, but when i try to renew to get rid of it it gives me the "unable to contact DHCP" message. I even tried reformatting with a different windows disc but the connection problem still persists.

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Dec 23, 2011

This morning I noticed my home computer would not connect to the Internet. I thought maybe it was my wireless router so I rebooted both my cable modem and my router.It didn't work, my router lights are all normal saying I have Internet access and such, and I realized I can get on from my phone wirelessly, however my computer that is wired has 0 connection, and WIFI works. When I go through my networks it says all my IP numbers are 0.0.0.0.

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Mar 31, 2011

So last night I unplugged my modem from my computer because I had to move my computer to my other room. Now when I plugged everything to the computer today the internet didn't work. My computer only connects to a public network which is very slow. I want to connect it to my own home network but it doesn't

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Dec 30, 2011

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Apr 1, 2012

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Mar 10, 2011

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Sep 20, 2011

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Aug 10, 2011

And I have tried everything I can to fix it in the last 3 days. It has always worked on my home network as a home network, and one day it seems to decide it's a public network. My computer has some limitations even with it being with administrator rights because it works from a school domain. And it happens to be that one of the few things that are limited is the ability to change a network status from public to home/work. Other Windows 7 computers like the one I'm using now can change its options, so why not mine? I have tried everything I can to fix the problem.

I started from the basics, resetting router, wireless, and all. Also, I tried a local area connection directly, of course this made no difference. I then went through every possible thing I could in the troubleshooter, still nothing.I then went straight for manually making my own static IP by finding the IP and DNS through the cmd and all, it made no difference. I even went to changing the option of "unidentified networks" to be recognized as private, but that didn't work either.I did this combofix utility process, but nothing came out of that either.

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Aug 11, 2011

I have a HP pavilion p6736f-b. It has wireless capability. It has wireless lan 802.11b/g/n. I know personal it can connect to the internet because I have done it before. Now when i try to connect to the internet it shows that no networks are available. This problems goes away when I use my wireless adapter and it can find my network name fine and I can connect to the internet. I want to be able to use my computer wireless without any usbs since it goes faster and I also use plenty of usb so I dont have the ability to always use a usb for my wireless adapter. I think the problem might be connected to me connecting my xbox 360 manually setting the ip address default gateway etc.

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Feb 7, 2012

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Dec 22, 2012

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Aug 31, 2012

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I've confirmed that the port and cable both work by trying to connect my laptop to them, and it works just fine. So the only option left is there's an issue with the ports on my desktop. They apparently only have problems connecting to the internet however; plugging in any other USB device has them work just fine, and even when the adaptors are plugged in, they have at least some connectivity capabilities, since the network shows up and allows me to attempt to connect to it.

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