I cannot connect to the Internet after installation of Windows Vista Ultimate edition.

I cannot connect to the Internet after installation of Windows Vista Ultimate edition. For some odd reason, it seems my ethernet has not yet been installed to my operating system and I do not know how to do that even with the internet, I have the LAN cable hooked up to my computer but I do not know exactly what to do about it. Is there some sort of driver I need to install, or what? How do I do that without the internet?
This operating system is on a separate partition to my other operating system that is connected to internet already (Windows Vista Premium) that I do not wish to use anymore because of it's corruption. I tell you this because you may know a way of finding the driver files on my previous operating system that I may be able to transfer to the other.

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Similar Messages

I cannot connect to the internet after switching providers. I've changed the email address associated with the new account but am sure there is something else I need to change. Can anyone help me?

I cannot connect to the internet after switching providers. I've changed the email address associated with the new account but am sure there is something else I need to change.   I have also changed the apple information as well including user name and password. Can anyone help me? (This is an ipad question).

Apple ID: Changing your Apple ID
http://support.apple.com/kb/ht5621
Using your Apple ID for Apple services
http://support.apple.com/kb/HT4895
Apple ID: What to do after you change your Apple ID
http://support.apple.com/kb/HT5796?viewlocale=en_US&locale=en_US
iTunes Store: Associating a device or computer to your Apple ID
http://support.apple.com/kb/ht4627
iOS: Changing the signed-in iTunes Store Apple ID Account
http://support.apple.com/kb/ht1311
Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at
http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are drooping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
Fix WiFi Issue for iOS 7
http://ipadnerds.com/fix-wifi-issue-ios-7/
iOS 6 Wifi Problems/Fixes
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
iPad: Issues connecting to Wi-Fi networks
http://support.apple.com/kb/ts3304
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.hmL
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Signal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
10 Ways to Boost Your Wireless Signal
http://www.pcmag.com/article2/0,2817,2372811,00.asp
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Some Wi-Fi losses may stem from a problematic interaction between Wi-Fi and cellular data connections. Numerous users have found that turning off Cellular Data in Settings gets their Wi-Fi working again.
You may have many apps open which can possibly cause the slowdown and possibly the loss of wifi. In iOS 4-6 double tap your Home button & at the bottom of the screen you will see the icons of all open apps. Close those you are not using by pressing on an icon until all icons wiggle - then tap the minus sign. For iOS 7 users, there’s an easy way to see which apps are open in order to close them. By double-tapping the home button on your iPhone or iPad, the new multitasking feature in iOS 7 shows full page previews of all your open apps. Simply scroll horizontally to see all your apps, and close the apps with a simple flick towards the top of the screen.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

Problems connecting to the internet after Upgrade from windows 8.1 pro

Cant connect to the internet after upgrading to windows 8.1 pro, what can i do to rectify this problem?
Thanks

Hi,
You can also try to install the older version in compatible mode:
Windows 8.1 Wifi showing "limited" or "No Internet Access"
Solution: revert your network adapter driver back to an older version
http://blogs.technet.com/b/dennis_schnell/archive/2013/08/31/windows-8-1-wifi-showing-quot-limitied-quot-or-quot-no-internet-access-quot.aspx
In addition, disable power management on your network driver:
Open Network and Sharing Center.
Click the Change adapter settings link in the upper left of the navigation pane.
Right click the network connection you want to enable/disable power management support on and click Properties .
Click Configure .
On the Power Management tab, clear the Allow the computer to turn off this device to save power check box.
If the issue still persists, please upload the event log for our research:
Kate Li
TechNet Community Support

Cannot connect to the net after installation

Hi All:
I tried to install and work with Archlinux today but was not successful at all.
I downloaded the ISO image of archlinux and burnt it to a CD (Archlinux-i686-2007.05-Duke). I tried to install the distro to my Compaq presario 700AP laptop (AMD Duron/128 MB RAM) Installation went smoothly and then the problems began. I coud not get networking to work. Here are the contents of the /etc/rc.conf file (networking section only given here):
<--- contents of /etc/rc.conf ------------->
lo="lo 127.0.0.1"
eth0="eth0 192.168.1.10 netmask 255.255.255.0 broadcast 192.168.1.255"
INTERFACES=(lo eth0)
gateway="default gw 192.168.1.1"
ROUTES=(gateway) ......................."I removed the ! sign to activate the gateway"
<-------/contents ------>
<--------- contents of /etc/resolv.conf ------------>
and in the /etc/resolv.conf, I have
nameserver 208.67.222.222
nameserver 208.67.220.220
search opendns.com
I typed opendns.com since I have these dns addresses from opendns.
<-------------
When I ping my nameserver (208.67.222.222), it puts out several lines of messages like:
64 bytes from 208.67.222.222: icmp_seq=55 ttl=252 time=284 ms
Likewise, when I ping default gateway, I get several lines of messages like:
64 bytes from 192.168.1.1: icmp_seq=1 ttl=128 time=1.62 ms
Yet I cannot ping google (http://www.google.com), and the error message is: "unknown host", nor can I use pacman to update packages from online repositories.
What am I doing wrong? I have followed the networking guidelines and installation guidelines from the websites.
Do I reinstall archlinux? I am lost.
Best wishes,
/Arin

Thanks for the advice, but I still am not successful and I cannot figure out why.
Dear All:
Thanks for all your responses, but I still cannot connect to the Internet and this is a strange problem.
I use a broadband connection, provided by India's BSNL broadband service, using an external modem (Huawei Corporation; SmartAx MT882). The internet service has provided me the following information:
IP Address: 192.168.1.10
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.1
DNS servers: 218.248.255.145
DNS server(2): 61.1.96.71
In addition, I use opendns and the dns server names are:
208.67.222.222
208.67.220.220
Here are the contents of my /etc/rc.conf (networking section):
HOSTNAME="maurine"
Io="Io 127.0.0.1"
eth0="eth0 192.168.1.10 netmask 255.255.255.0 broadcast 192.168.1.255"
INTERFACES=(Io eth0)
gateway="default gw 192.168.1.1"
ROUTES=(gateway)
Contents of my /etc/resolv.conf
search maurine.com
nameserver 218.248.255.145
nameserver 61.1.96.71
nameserver 208.67.222.222
nameserver 208.67.220.220
If I try using pppoe -I eth0, it waits for some time and then returns a message "timeout waiting for PADO packets"
If I "try /etc/rc.d/adsl start", it returns [FAIL] after some time.
This has never been a problem with my ubuntu or windows installations before, I could easily connect to the web.
What should I do to make sure I can connect to the Internet?
When I ping 192.168.1.1, it takes me to my modem page and from there, when I run the diagnostics, it returns everything ok.
Where may be the problem and what do I need to do to resolve this problem?
Thanks in advance,
Arin Basu

I need help......I just cannot connect to the internet after changing my passcode.

Hello all,
I feel extremely stupid. Today I was changing my seetings in the http://192.168.1.1 page. But when I clicked OK I lost connection and when I try and put in my new passcode it connects to the access point but the internet cannot be found. I can only imagine that i typed the passcode in incorrectly. Now i am unable to connect to http://192.168.1.1 even when I am using my wired connection as I presume I need to be connected to my wireless router. Is there any way of changing the passcode? Can I restore the factory settings? Please help....I feel as though I may have made a huge mistake .
Jon

if you connect the PC to the router directly using a cable would you be able to get online???

I cannot connect to the Internet after Lion upgrade

I'm having a similar problem to some other threads. After upgrading to Lion I cannot access the Internet wirelessly through my Airport base station. All other Macs in the house are working fine. Per the other threads:
- I do not have Avast installed
- I have tried trashing the System Configuration in Preferences
- I have tried creating new locations
- I tried enabling "Auto Proxy Discovery" and "Automatic Proxy Configuration" in Network Preferences.
None of this has worked. Here is the message I get in Safari:
"The operation couldn't be completed. Operation not permitted." (NSPOSIXErrorDomain:1)
I previously was getting a kernel panic after startup when I did the upgrade. But I was able to narrow it down to Intego Content Barrier which I deleted. I then reinstalled Lion and the system seems stable. Just can't get the Internet to work.
Any other ideas or thoughts on this?
Thanks!
David

Don't think Airport is around in Lion
Select Advanced, pictures are in wrong order and I was tired of fighting with it.

Cannot connect to the Internet via PPPoE in Windows manually?

In Lion there is a little triangle after the Wi-Fi name (SSID) that can connect and disconnect the Internet via PPPoE. But how to do the same thing in Windows? Is it possible?
And there is also a bug in Mac OS --- if you choose to show the connected time, it will freeze later and the little triangle for connecting is also disappeared! So you have to refresh it to recall that little triangle again.

I have the exact same problem and my home network have a max capacity of 250 devices, which Im not any way near off.
I have one pc connected via ethernet, so I always have an option of connecting if WIFI fails.
I have one iMAC connecyed via WIFI
I have one Apple notebook conenected via WIFI
I have one Nintendo Wii connected via WIFI
And, I have one Apple TV which will not connect while other devices are connected. If I disconnect the notebook and iMAC the Apple TV works fine.

HT3204 my itunes cannot connect to the internet

my itunes cannot connect to the internet

I don't use windows, don't you have a help folder...go there, enter firewall, look for how to disable...you can try to update with just your ant-virus disabled, but if your firewall is still active it most likely won't work.

After iOS 8.02 download, my iPhone 5s cannot connect to the internet.

After downloading iOS 8.02, my iPhone 5s cannot connect to the internet. What should I do to try to resolve this?

I'm having the same issue! Downloaded iOS 8.02 to iPhone 5 and no 3G internet connection! Spent 3 hours on a Saturday trying to get internet connectivity. Talked to Apple tech support and my service provider. This is the worst operating system ever! Do not upgrade to it. I will never upgrade to a new operating system on my iPhone again. May just start buying Samsung now.

I am trying to connect to my friend's wifi, i have a very strong signal indicated on my ipad, but cannot connect to the internet. Yesterday i connected without any problem, can anybody tell me why i cannot connect today?

i am trying to connect to my friend's wifi, i have a very strong signal indicated on my ipad, but cannot connect to the internet. Yesterday i connected without any problem, can anybody tell me why i cannot connect today?

Some things to try first:
1. Turn Off your iPad. Then turn Off (disconnect power cord for 30 seconds or longer) the wireless router & then back On. Now boot your iPad. Hopefully it will see the WiFi.
2. Go to Settings>Wi-Fi and turn Off. Then while at Settings>Wi-Fi, turn back On and chose a Network.
3. Change the channel on your wireless router (Auto or Channel 6 is best). Instructions at http://macintoshhowto.com/advanced/how-to-get-a-good-range-on-your-wireless-netw ork.html
4. Go into your router security settings and change from WEP to WPA with AES.
5. Renew IP Address: (especially if you are droping internet connection)
    •    Launch Settings app
    •    Tap on Wi-Fi
    •    Tap on the blue arrow of the Wi-Fi network that you connect to from the list
    •    In the window that opens, tap on the Renew Lease button
6. Potential Quick Fixes When Your iPad Won’t Connect to Your Wifi Network
http://ipadinsight.com/ipad-tips-tricks/potential-quick-fixes-when-your-ipad-won t-connect-to-your-wifi-network/
~~~~~~~~~~~~~~~~~~~~~~~~~
iOS 6 Wifi Problems/Fixes
Wi-Fi Fix for iOS 6
https://discussions.apple.com/thread/4823738?tstart=240
How To: Workaround iPad Wi-Fi Issues
http://www.theipadfan.com/workaround-ipad-wifi-issues/
Another Fix For iOS 6 WiFi Problems
http://tabletcrunch.com/2012/10/27/fix-ios-6-wifi-problems-ssid/
Wifi Doesn't Connect After Waking From Sleep - Sometimes increasing screen brightness prevents the failure to reconnect after waking from sleep. According to Apple, “If brightness is at lowest level, increase it by moving the slider to the right and set auto brightness to off.”
Fix For iOS 6 WiFi Problems?
http://tabletcrunch.com/2012/09/27/fix-ios-6-wifi-problems/
Did iOS 6 Screw Your Wi-Fi? Here’s How to Fix It
http://gizmodo.com/5944761/does-ios-6-have-a-wi+fi-bug
How To Fix Wi-Fi Connectivity Issue After Upgrading To iOS 6
http://www.iphonehacks.com/2012/09/fix-wi-fi-connectivity-issue-after-upgrading- to-ios-6.html
iOS 6 iPad 3 wi-fi "connection fix" for netgear router
http://www.youtube.com/watch?v=XsWS4ha-dn0
Apple's iOS 6 Wi-Fi problems
http://www.zdnet.com/apples-ios-6-wi-fi-problems-linger-on-7000004799/
~~~~~~~~~~~~~~~~~~~~~~~
How to Boost Your Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Boost-Your-Wi-Fi-Signal.h tm
Troubleshooting a Weak Wi-Fi Signal
http://ipad.about.com/od/iPad_Troubleshooting/a/Troubleshooting-A-Weak-Wi-Fi-Sig nal.htm
How to Fix a Poor Wi-Fi Signal on Your iPad
http://ipad.about.com/od/iPad_Troubleshooting/a/How-To-Fix-A-Poor-Wi-Fi-Signal-O n-Your-iPad.htm
iOS Troubleshooting Wi-Fi networks and connections http://support.apple.com/kb/TS1398
iPad: Issues connecting to Wi-Fi networks http://support.apple.com/kb/ts3304
WiFi Connecting/Troubleshooting http://www.apple.com/support/ipad/wifi/
How to Fix: My iPad Won't Connect to WiFi
http://ipad.about.com/od/iPad_Troubleshooting/ss/How-To-Fix-My-Ipad-Wont-Connect -To-Wi-Fi.htm
iOS: Connecting to the Internet http://support.apple.com/kb/HT1695
iOS: Recommended settings for Wi-Fi routers and access points http://support.apple.com/kb/HT4199
How to Quickly Fix iPad 3 Wi-Fi Reception Problems
http://osxdaily.com/2012/03/21/fix-new-ipad-3-wi-fi-reception-problems/
iPad Wi-Fi Problems: Comprehensive List of Fixes
http://appletoolbox.com/2010/04/ipad-wi-fi-problems-comprehensive-list-of-fixes/
Connect iPad to Wi-Fi (with troubleshooting info)
http://thehowto.wikidot.com/wifi-connect-ipad
Fix iPad Wifi Connection and Signal Issues http://www.youtube.com/watch?v=uwWtIG5jUxE
Fix Slow WiFi Issue https://discussions.apple.com/thread/2398063?start=60&tstart=0
How To Fix iPhone, iPad, iPod Touch Wi-Fi Connectivity Issue http://tinyurl.com/7nvxbmz
Unable to Connect After iOS Update - saw this solution on another post.
https://discussions.apple.com/thread/4010130
Note - When troubleshooting wifi connection problems, don't hold your iPad by hand. There have been a few reports that holding the iPad by hand, seems to attenuate the wifi signal.
Wi-Fi or Bluetooth settings grayed out or dim
http://support.apple.com/kb/TS1559
~~~~~~~~~~~~~~~
If any of the above solutions work, please post back what solved your problem. It will help others with the same problem.
 Cheers, Tom

My macbook pro (lion 10.7.2) takes several minutes to connect to the internet after waking from sleep. Is there any way to make this instant?

Hi
My Macbook Pro 15 inch takes several minutes to be able to connect to the internet after waking from sleep. Does anyone else have this problem and is there a fix?
Alan

coxorangepippin wrote:
The message that comes up when I click on "TomTom Home Install" is "You cannot open Home Install because Power PC applications are no longer supported." Does this mean that the TomTom, which is absolutely vital to my life - well, not literally but you know what I mean - can no longer be used with my MacBook Pro?
What that means is that is can't be used with Lion 10.7. PowerPC was the chip Apple used up until 2006 when they switched to Intel. At that point, they created the Rosetta emulator to allow for PPC support for 5 years. They finally dropped the support with the release of Lion. It will only work with OS X 10.6 or earlier. The other option is to purchase a new GPS, which can be had for $100 for a decent one.

Your Apple TV is connected to your wi fi network but cannot connect to the internet. Airplay logo not available on ipad3, iPod touch3g and showing intermittently in iTunes on windows laptop. Switched ISP a few days ago. Entered pass key info on all.

I switched ISP a few days ago and had problems with airplay since. After restarting and reinstalling and updating, re entering pass keys for new wi fi on everything, Apple TV shows: Your Apple TV is connected to your wi fi network but cannot connect to the Internet. Ipad3 and iPod touch 3G have no airplay icon or get one briefly then it disappears again. Same with itunes on windows laptop.
Can anyone help?
Bob

Welcome to the Apple Community.
Intermittent problems are often a result of interference. Interference can be caused by other networks in the neighbourhood or from household electrical items.
You can download and install iStumbler (NetStumbler for windows users) to help you see which channels are used by neighbouring networks so that you can avoid them, but iStumbler will not see household items.
Refer to your router manual for instructions on changing your wifi channel or adjusting your multicast rate.
There are other types of problems that can affect networks, but this is by far the most common, hence worth mentioning first. Networks that have inherent issues can be seen to work differently with different versions of the same software. You might also try moving the Apple TV away from other electrical equipment.

I have downloaded the new update for Firefox 3.6 and now cannot connect to the internet. I've checked my firewall and have uninstalled and reinstalled firefox, but nothing works.

After installing the new update for Firefox 3.6, no matter what I do, I cannot connect to the internet using Firefox. I can get on the internet using my other browsers (Google Chrome and Internet Explorer), so Firefox is the only one that doesn't work. I have already checked my firewall and have added and removed Firefox from my firewall to no avail. I've also already uninstalled and reinstalled Firefox, but so far it hasn't helped.

I have already tried removing firefox from my firewall. Even when I do that, my firewall doesn't detect firefox and prompt me to add it. And when I manually add it, it still doesn't work anyways. I've already tried the link as well, but it has been unhelpful. :/
I'm not sure if it matters, but a few weeks before this, I did download Microsoft Security Essentials.

Where is the "I cannot connect to the Internet" button?

Apparently, according to this page here you should be able to maually activate on a compnuter that can't connect to the internet? Where do you do so on InDesign CS6?

So just for fun I decided to see what would happen if I shut down my network card and tried an install. Turns out I was able to force the links to appear. Here's how I did it:
Installed Production Premium as trial.
Disabled my network adapter.
Ran the Installer again, it accepted my License Key, completed.
Launched Photoshop
Got a message that Internet was required for activation with a link "Having trouble connecting to the Internet?"
Clicked that link and got a second page for with the "This Computer cannot connect to the Internet" link
Lead to a third page with an Offline Activation button
This generated the request code, which I was able to use to get a response code and successfully activate Production Premium.
I attempted the same process to install Indesign and unfortunately no matter how many times I attempted it each time I got a message that the response code was invalid. So half way there with some of my upgrades.
It seems the key is to shut down the network altogether. If the activator detecs any kind of connection, it won;t give you the offline prompts. Hope this helps some others.
Adobe: please explain why you do not document this, but make bone-headed reccomendations like "disable the authentication proxy"? (like anyone working behind an authentication proxy has the authority to disable it!) Why did I spend an hour with a tech support rep digging around my system, when I clearly stated upfront that your tools could not navigate our security and that our security was absolute, inflexible and would not change? The rep should have told me in the first minute of the chat that I need to completely disable my network connection and install again.
I mean seriously this is four days invested in just trying to install legally licensed software and I am not done yet as InDesign hasn't activated yet.

Mac won't connect to the Internet after 10.8.5

Hey,
So I updated my MacBook Pro earlier today to 10.8.5 and after the update I put it to sleep. I just got on and cannot connect to the Internet from my Mac. All my other devices can connect perfectly well. It says I am connected to my WiFi but when I go on my browser, no pages load. I've tried restarting my Mac and my router, none of which have worked.
Any ideas?
Thanks.

Back up all data before making any changes.
Step 1
Take all the applicable steps in this support article.
Step 2
If you're running OS X 10.8.4 or later, run Wireless Diagnostics and take the remedial steps suggested in the summary that appears, if any. The program also generates a large file of information about your system, which would be used by Apple Engineering in case of a support incident. Don't post the contents here.
Step 3
If you're not using a wireless keyboard or trackpad, disable Bluetooth by selecting Turn Bluetooth Off from the menu with the Bluetooth icon. If you don't have that menu, open the Bluetooth preference pane in System Preferences and check the box marked Show Bluetooth in menu bar. Test. Continue if you find that Wi-Fi is faster with Bluetooth disabled.
From that same menu, select Open Bluetooth Preferences. If the box labeled Discoverable is checked, uncheck it. Click the Advanced button, and in the sheet that opens, uncheck the top three boxes, if any are checked. Click OK. Enable Bluetooth and test again.
If the application called "Bluetooth Setup Assistant" is running, quit it.
Step 4
This step will erase all your settings in the Network preference pane. Make a note of them before you begin, and recreate them afterwards. It may be helpful to take screenshots of the preference pane.
Triple-click the line below on this page to select it:
/Library/Preferences/SystemConfiguration
Right-click or control-click the highlighted line and select
Services ▹ Reveal
from the contextual menu.* A folder should open with an item named "SystemConfiguration" selected. Move the selected item to the Trash. You may be prompted for your administrator password.
*If you don't see the contextual menu item, copy the selected text to the Clipboard (command-C). In the Finder, select
Go ▹ Go to Folder...
from the menu bar, paste into the box that opens (command-V). You won't see what you pasted because a line break is included. Press return.
Step 5
Reset the System Management Controller.
Step 6
Make a "Genius" appointment at an Apple Store, or go to another authorized service center.
Back up all data on the internal drive(s) before you hand over your computer to anyone. There are ways to back up a computer that isn't fully functional — ask if you need guidance.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
*An SSD doesn't need to be zeroed.

I cannot connect to the Internet after installation of Windows Vista Ultimate edition.

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