Frequently Asked Questions - ip address

FAQs - ip address
Here you will find questions and answers to common networking topics.
How do I find my IP address?

Checking your IP Address in Windows is easy and pretty much the same process for every version. The easiest way to get your IP address is from a command prompt. To get to a command prompt simply click on Start and then Run and type in cmd and press Enter. If you don’t have a Run option then you can type it in the search box like you see in Vista and Windows 7. Once you get the command prompt window open simply type in ipconfig and press Enter.

If you have more than one network adapter such as a wireless adapter then you will have more than one entry. Look for the entry that goes with the connection you are using. If you plug in using an Ethernet cable then look for Ethernet adapter Local Area Connection. Then look for the line that says IP address. For newer versions of windows that support IP 4 and 6 it may list both. You want the line for IPv4. In the example the IP address is 192.168.1.2.

If you need more information such as DNS or DHCP information the type ipconfig /all to get a more detailed display.

This can be helpful in troubleshooting other network connectivity problems as well.

I have a broadband internet connection. When I cold boot my PC, it will not connect. If I restart it, it connects no problem. I can (and do) reproduce this easily.

Do you have a broadband router or do you plug in directly to the modem? Your computer most likely uses DHCP to get its IP address from the router and then the router gets it IP information from the modem. If you are not using a router then the computer gets its IP information directly from the modem.

Your computer may be having a problem getting its IP information from the router or modem. If you are using a router try going directly into the modem and bypass the router. Then see if you have the same problem after a couple of reboots. If so then your router may have a problem giving your computer the IP information it needs to connect to the internet.

If you are not using a router then your modem may not be giving the computer the proper information. When it does not connect you should check the IP information and make sure you are getting an IP address.

If the IP address begins with 169.254.x.x then that is the Windows autoconfig IP address that is uses when it can’t get one from a DHCP device. If the IP address is all zeros or uses the autoconfig IP then you can try to renew your IP address to see if that makes a difference.

There is also a chance your computer could be having issues obtaining an IP address but I would check the router and modem first.

TAGS: broadband, modem

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