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PC will not connect to internet through LAN or WiFi

Hi all, I have a Toshiba Satellite L355D-S7901 Running Windows Vista Home 32bit SP1. It will not connect to the internet either through cable or wirless. I have even tried a USB dongle from Verizon wireless. All efforts only get me limited connectivity. I have disabled all firewalls available on pc to make sure its not the firewalls, I have restarted both routers I have on my network switches have been rebooted settings have also been changed and reset. manual IP will not work either. Machine will not connect to internet at all. I had a similar problem like this awhile back with another Toshiba but I when ahead and just reinstalled the whole OS again and it took care of it. Trying to avoid that again but would just like to see if anyone might have had this happen to them and know of another method to get the pc to connect to the internet.
Thanks
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gdx1
Asked:
gdx1
1 Solution
 
imadimadCommented:
Try to uninstall the antivirus program on your computer and uninstall the VPN software if you have one. Reboot the computer and try again to connect to the internet.
Regards,
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Jackie ManCommented:
Can you ping www.google.com ?

If not, try to and reset the Windows Vista

Click on Start button.
Type Cmd in the Start Search text box.
Press Ctrl-Shift-Enter keyboard shortcut to run Command Prompt as Administrator. Allow elevation request.
Type netsh winsock reset in the Command Prompt shell, and then press the Enter key.
Restart the computer.

Source: http://www.mydigitallife.info/repair-and-reset-windows-vista-tcpip-winsock-catalog-corruption/

If still no go, try to run

ipconfig /flushdns
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linuxoCommented:
Hi,

it seems like a browser problem, ping any website from Console (DOS) if it replays install Firefox and go.

Thank you.
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IanThCommented:
have you got a good virus checker up to date running it sounds very virus like
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gdx1Author Commented:
Tried all solutions. I dont think it is a browser problem becasue the network adapters will not pick up an IP address and the ping will not respond even with a manual ip address added. I have also noticed that this pc seems very slow to install programs and uninstall programs, Im begging to think the hard drive may become corrupt and might need replacing. Im going to run diagnostics on the hard drive and check it. Will also keep checking to see if anyone else has another solution thanks all
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Kerem ERSOYPresidentCommented:
Hi,

Try to uninstall any network adapters and try to rescan for hardware changes and reinstall drivers. Sometimes it would solve the problem.

But if the problem persists all you would do is to do a fresh install as you have mentioned. Recently I had been in a similar situation with no automatic and mnual IP would work I've done a fresh install and the error has gone.

Cheers,
K.
 
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gdx1Author Commented:
Yeah I went ahead and did a fresh install I didn't want to but because I was in a hurry to fix it (family members from out of town) I was really trying to get this mystery problem fixed as it has happened before but I was really hoping someone else would have found and answer, but all well thanks all!
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Kerem ERSOYPresidentCommented:
In fact I have tried so many things with my pc before formatting. In one case it was not able to add / remove or modify any network interfaces and in the seconf one it even could not delete the interface so in both cases whatever I googled tried invented it did not go through and I did a fresh install in both cases.
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gdx1Author Commented:
Although I prefer fresh installs because of their lengthy install time and I like to take my time to do it right but this problem really has just frustrated me as I've never been able to identify why this happens.
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