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Network issues on windows vista

Network realted issues on windows vista

network adapter jumps back to default ip address
on windows vista
and not able to identify the ipaddress whatever modem it connects to

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Re: network issues on windows vista - HP Pavilion dv4000 Notebook PC Laptops


Posted on Dec 20, 2007

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Re: network issues on windows vista

Hi please tell us more about the Kind of network setup you have done. also please mention your IP address.

Posted on Dec 20, 2007

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Can not connect to wireless

This is just a possibility, Go to Start->Control Panel->Network Connections (In Vista or 7 go to Network and Sharing Center and click on Network adapters on the left side of the window.) Then right click on your wireless adapter and select properties.

Once you have the properties window open, right click on "Internet Protocol or iPv4 (should be something like that)" and select properties again. Make sure the IP Address and DNS settings are set to automatic, and if they are, hit WindowsKey+R and type "cmd" (without the quotes) into the box.

type "ipconfig /release", then once that is done, type "ipconfig /renew" (Both without the quotes).

If that didn't solve your problem, you need to manually fill in the IP Address, Subnet Mask, Default Gateway, and DNS Server's in your wireless adapters properties. If you don't remember where that is, its the last window we went into before when we made sure everything was automatic.

If you don't know what the settings should be, go to someone's machine that is already hooked up to the wireless network and hit WindowsKey+R again and type "cmd". Type "ipconfig /all" and find the Wireless Adapters settings somewhere in the list that was generated, it should tell you all of the settings.

Copy over everything except for the IP address, you should change the digits of the last string to make your IP unique. <-- These ones.

Hope this helped to solve your problems =)

Mar 30, 2010 | PC Laptops


How to set up a static IP address in Windows Vista

Static IP addresses are often used for computers that host specific services, or for computers on small, manually managed networks. To set up a static IPv4 address on a Windows Vista computer, first find an IP address that is not currently in use and is outside the DHCP assignable range (if applicable). Then follow either of the procedures below.

From the taskbar:

1. Right click on the network connection icon in the system notification tray.
2. Select Network and Sharing Center.
3. Under Tasks, select Manage network connections.
4. Right click on the network connection that you want to set up the IP address for (Local Area Connection, Wireless Network Connection, etc.)
5. Select Properties.
6. If the User Account Control window pops up, select Continue.
7. Click on Internet Protocol Version 4 (TCP/IPv4).
8. In the Properties window, click the circle next to Use the following IP address.
9. Enter the IP address that you want to assign to the computer.
10. Enter the subnet mask and default gateway. (For small or home networks, these will typically be and, respectively.)
11. Enter the IP address of the DNS server next to Preferred DNS server.
12. If you have an alternate DNS server, enter that IP address as well.
13. Click OK to save the changes.

From the Start menu:

1. Click the Vista orb.
2. Right click on Network.
3. Follow the procedure above from step #3.

Reserving an IP address under DHCP is different from setting up a static IP address. To reserve an IP address, log into your router's configuration utility and look for a heading such as DHCP or IP Address Distribution. You will probably need either the computer's Windows name or its MAC address to reserve an IP address for it.

on Jan 30, 2011 | PC Laptops


How to Share your Internet Connection through laptop's WLAN(Wifi) card?

Every Windows Operating System after Windows 98 can share its Internet Connection using this Technique. Microsoft defines this technique as Internet Connection Sharing (ICS). But setting ICS is very obscure to most of the users. This comes very useful if you live with your roommates and you guys have single internet source like a USB modem Connected to one laptop only. Using Internet Connection Sharing(ICS) that laptop can Broadcast its Internet to other laptops in the room. Technically, the range of a laptop's WLAN adapter is around 20-25 meters. So it can easily handle near by rooms also. This can also be done with a PC having a WLAN card.
To setup and broadcast your internet it is mandatory that you are accessing internet using anything other than Your WLAN card like a USB modem, Ethernet etc. This is because your Wireless adapter(WLAN) will be used for Broadcasting your Internet connection to your friends.
Server laptop:- Laptop with Internet Connection.Client Laptop:- Laptops accessing the internet of server laptop.
Follow the steps to share your internet it goes:--0b73509.gif
  1. Open the "Control Panel" of the laptop that is accessing Internet and go to "Network and Internet" then "Network and Sharing Center".
  2. On the right side of the "Network and Sharing Center" click the "Change Adapter Settings" and you will see all the available network adapters in your laptop.
  3. Now Right-Click the adapter through which you access internet and click "Properties" option. The properties window will open.
  4. In "properies" Window click the "sharing" tab check "Allow other network user to connect through this computer's Internet connection"97ac799.jpg
  5. In the sharing tab, Select "Home networking connection" type as "Wireless Network Connection" click "OK" and select "Yes" to the Confirmation warning. see above image.
  6. Now Right-Click the "Wireless Network Connection" in "Change Adapter Settings"and Open Its Properties.
  7. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and select the "Use following IP address"
  8. Enter the IP address as "" and "Subnet mask" as ""
  9. Leave all other fields blank in Server laptop, which has access to internet.0219162.jpg
  10. Now setup a wireless "ad hoc" computer to computer connection using "setup a new connection or network" in "network and sharing center" and Name it as anything like "Internet_sharing".c2debe7.jpg3a69972.jpg
  11. Now bring other laptops that will use the Shared Internet connection.
  12. Open "Change adapter Setting" (Described in step 2).
  13. In "Change adapter settings" Right-click "wireless Network Adapter" and Click its properties.
  14. In "Wireless Network Connection Properties" Double-click the "Internet Protocol Version 4(TCP/IPv4)" and enter following IP address:-
  15. IP address-"", Subnet mask "", Default gateway-"" and Preferred DNS server: "".
  16. Use the same step from 11 to 15 to connect other laptops and Increase the IP address by +1. Ex-, & so on. Rest of the settings like Default gateway etc will be same on all laptops. Only the server laptop will have blank entries in these settings.
  17. Now connect all the laptop with the Wireless network(ad-hoc) named "Internet-sharing" that you had previously broadcasted in step 10 in server laptop.
  18. Now in the server laptop, disconnect and then reconnect the internet connection(This is a necessary step for Internet Connection sharing(ICS) to work).
  19. Now access internet in all laptops...ENjoy.
Note:- For Advance Users.. this information is necessary only--The IP address of server laptop work as the "Default gateway" and Preferred DNS server of Client laptop and on server laptop these fields are blank. Use same series of IP address as used in the server.

please vote if you found this helpful.. --Abhishek

on Sep 30, 2010 | PC Laptops

1 Answer

No internet or ip adrdress

Check you have Network Adapter in your Network Connection Setting.if it is there then all you need to do is to set IP address,Subnet mask,dafault Gateway,Preferred DNS Address and Alternate Address.

But if it is missing then you need to reinstalll your Network Adapter Driver.The problem might have occur as you restore your system to a point when Network driver was not install.

Anyway, you don't have the driver, download it from the link below

Just Select your Operating System and download the Network Controller Driver and Install.

And assigned your IP address,Subnet mask,dafault Gateway,Preferred DNS Address and Alternate Address so that you can connect to internet.

Jan 04, 2010 | Dell Inspiron 1545 Notebook

4 Answers

How do I change my I.P. addess...I'm having compatibility problems with my wireless router and cant get on line


Control Panel
Network Connections
Wireless Connection
Make sure Internet Protocol TCP/IP is set to "Obtain an IP address automatically"


ipconfig /release<enter>
ipconfig /renew<enter>

Nov 27, 2009 | Compaq Presario 700 470024-192 Notebook


IP conflict on my home network

If there is an IP conflict, that means that two different devices connected to your home router are getting the same IP. In this case one or more connected devices will have limited connectivity, as they will be unable to access network resources.

The following troubleshooting must be performed on one networked device at the time.

Check if the internet provider that you are using allows DHCP. Most broadband providers use DHCP.

DHCP (dynamic host control protocol) means that the IPs, instead of being static are being assigned each time by the router.

If you use DHCP, then ensure that all devices connected to the network are not set on Static IP. If there is a device that must be set on static (eg. a network printer), then change manually the device IP to a different one. Ensure that the new IP belongs to your network range.

Reset the network settings on all connected devices. On computers remove the network adapter from the installed hardware devices list in control panel.
Restart computers one by one, after removing the adapter, and allow the network card to reinstall, using driver disk when needed (ensure that you have the drivers first). It will set itself to DHCP by default.

If that does not work, then you can try changing MAC address on Windows. The MAC address is an unique identifier that is assigned by manufacturer to any Ethernet adapter. The MAC address is used by the router to determine IP. To this purpose see: Changing MAC addresses on Windows .

If still no luck , then the next step would be resetting and re-configuring the router again, using the settings given by your ISP. Ensure that you have your Internet Service Provider configuration settings before resetting the router

At this point it may be worth testing a different Ethernet adapter (eg an USB adapter), rather than resetting the router.

If all that does not work, then either the router, or one of the two network adapter is probably defective. In some case virus or malaware can also cause IP conflicts.In that case ensure that the computer is clean, and eventually replace the router, after testing PC network adapter.

Note:If your home LAN uses static settings instead of DHCP, simply check that the IP set for each device is different.


on Feb 18, 2010 | PC Laptops

3 Answers

My laptop cannot automatically pick up an IP address

Don't send it away.
To automatically get an IP addressed assign you must have the network adapter set to "Obtain an IP address automatically"
Check it from a command prompt
click on start | run| type in cmd to open a command window
type ipconfig /all in the command window and see if Autoconfiguration Enabled . . . . : Yes is in the list of information, if not follow the guide below to change it.

DNS service and DHCP service are not normally run on a person's computer, these are services that run on remote internet servers, local network servers or router/wireless access points, to name a few examples.
You need to verify that your network adapter's TCP/IP settings are set to automatically obtain an IP address.
Go to network connections and open the window.
Find your network adapter and right click once on it and select "PROPERTIES" at the bottom of the context menu list that appears.
Usually this will be labeled something like Local Area Connection.
Right click on it and select properties.
In the window that open you'll see several items with checkboxes, find the one labeled
Internet Protocol (TCP/IP), click once on it to select it and then click on the button "PROPERTIES"
Look and see if the bullet choice "obtain an IP address automatically is bulleted, if not click in the circle to enable the bullet.
While in that properties sheet, make sure that the item Obtain DNS server address automatically is also bulleted (selected)
Click OK, OK
click on START | RUN and type in the box cmd to open a command window
in the black command window type the command
ipconfig /all
you should see an IP address, subnet mask and default gateway along with lots of other IP info
see if you've got an IP address in the list. If not type the following in the command window

ipconfig /release
this will force the IP to release any address it is holding
then type
ipconfig /renew

this will force a renew of the address

C:\Documents and Settings\tolm4454>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : NAME OF COMPUTER
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . :

Ethernet adapter Local Area Connection:
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Broadcom NetXtreme 57xx Gigabit Cont
Physical Address. . . . . . . . . : 00-19-B9-43-65-C3
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . :
Subnet Mask . . . . . . . . . . . :
Default Gateway . . . . . . . . . :
DHCP Server . . . . . . . . . . . :
DNS Servers . . . . . . . . . . . :
Primary WINS Server . . . . . . . :
Secondary WINS Server . . . . . . :
Lease Obtained. . . . . . . . . . : Monday, March 16, 2009 12:22:20 PM
Lease Expires . . . . . . . . . . : Thursday, March 19, 2009 12:22:20 PM

Mar 16, 2009 | HP PC Laptops

2 Answers

Acer 3000 builtin Wireless adapter says disconnected

update the drivers and run the wizard again to set up fresh settings
are you networking this unit or direct of the modem

Feb 11, 2009 | Acer Aspire 3000 Notebook

1 Answer

Sony PCG-4g1m

Plug in the LAN cable (CAT 5) into your laptop network jack. Make sure the other side is plug into the network outlet jack. Now confirm that you have a link on your LAN adapter, if your laptop has lights for the LAN adapter built in. If it doesn't don't worry. If its connected windows xp will say if its connected or not. If its connected it will try to find a IP address. Make sure DHCP is enabled (Should be set as DHCP as default anyways) if your laptop doesn't get and IP address then there's something wrong with the network your connected to and not your laptop. Contact the system administrator (IT guys) in charged of that network.

**** IF AND ONLY IF***
IF there's no network icon in the taskbar tray then your network adapter is disabled. To enable this right click the network icon on your desktop and select properties now a windows opens up and right click on your LAN adapter and select enable... let windows do its magic and you should be back to normal.


Aug 19, 2008 | PC Laptops

2 Answers

Wrong ip address

Are you trying to get an IP for your computer, or for your modem? Assuming your using a high-speed connection, possibly a router?

Mar 28, 2008 | PC Laptops

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