PC-PC connect LAPTOP and DESKTOP- using cross cable!

HI..
I would like to know how to connect (FOR INTERNET) using a PC-PC cross cable

1. A laptop and a desktop.
2. Laptop(Dell) running Vista Home Basic.
3. Desktop running XP Professional SP2.
4. Laptop accesses Internet using Netgear wi-fi router.

I have connected a PC to PC cable between laptop and desktop.

I WANT TO ACCESS INTERNET IN THE DESKTOP.

I have already connected the desktop and file sharing is working fine.
Somebody please help me how to enable internet in the desktop.

I have attached the screenshot of the ip configs of laptop AFTER connecting the PC to PC cable . hope that helps.
Looking forward to your replies.
Thank You.
TCPIP.jpg
arjunvsAsked:
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pseudocyberCommented:
You need a second network connection - to the Internet - either a modem or a router - and then enable Internet connection sharing.

The best method is to use a router/switch - then all your computers have an internet connection and you don't have to rely on the "gateway" machine being online.
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BrianMilnesCommented:
It looks as though you have an Internet connection via a Wireless Card.
It should be possible to go to the Wireless Connection Properties page to Advanced Tab and click on "Internet Connection Sharing" option. But you will probably need to enable File & Printer Sharing on your firewall first. You also need Admin rights.
For details of "Internet Connection Sharing" put that phrase into WIndows Help.
Rgds
Brian
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eivindgaCommented:
You would have to set up: " Internet Connection Sharing and Network Bridge in Windows Vista"

Instructions follows:

http://technet2.microsoft.com/WindowsVista/en/library/1720eb43-62cb-4327-9f26-8d7401d526531033.mspx?mfr=true

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arjunvsAuthor Commented:
HI All.. thanks for the replies. Here are additional details... My laptop connects to the internet using wireless N card. My modem is connected to a netgear wifi router and laptop gets internet access from the wi fi router. I would like to enable internet for a desktop pc that is connected TO THE LAPTOP
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pseudocyberCommented:
On the laptop, as I said, enable Internet Connection Sharing.
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arjunvsAuthor Commented:
ok.. i clicked the properties of my wireless connection  in "Control Panel\Network Connections" and clicked Sharing and checked both to allow ICS. Then?
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arjunvsAuthor Commented:
my desktop is not connected to my router or switch. it is connected ONLY to my laptop usinng pc-pc cable.
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pseudocyberCommented:
After you enable ICS, the desktop should get a private IP from the laptop.  The laptop turns into a router and dhcp server if you will.  Do you have Internet on your desktop now?
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arjunvsAuthor Commented:
HI pseudocyber... i think we are almost there....
i have enabled ICS for my laptop. i hope the screenshot helps... what should i do next?

What you said about the laptop turning into a dhcp server and router is perfect!!! i read about it. but having troubling getting this done..

ok.. what should be the tcpip config settings in my desktop?
1.jpg
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arjunvsAuthor Commented:
HEY... UR THE BEST!!!
MY PROBLEM WAS ... i had manually given ip configuration in my desktop and hence it was messed up.. :-)

i selected "obtain an ip address automatically" and it the job for me :-)
 thank you so much.

just one last thing... pl advise on any security issues if any to my laptop.. my wifi is encrypted... but since i have enabled ICS and folder sharing, will it be any security problem?
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arjunvsAuthor Commented:
HEY... UR THE BEST!!!
MY PROBLEM WAS ... i had manually given ip configuration in my desktop and hence it was messed up.. :-)

i selected "obtain an ip address automatically" and it the job for me :-)
 thank you so much.

just one last thing... pl advise on any security issues if any to my laptop.. my wifi is encrypted... but since i have enabled ICS and folder sharing, will it be any security problem?
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pseudocyberCommented:
Your laptop could be vulnerable, if exposed directly to the Internet.  I would put it behind a NAT device - like a router.  A firewall would be better.  At a minimum, run some sort of firewall on the Laptop - such as Windows Internet Firewall or something.

Glad you got it workign.
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arjunvsAuthor Commented:
yes... windows firewall is running. and the laptop is behind a router too. thanks mate!! ur great!  was struggling with this for 2 days
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pseudocyberCommented:
NP.  You're welcome.  :)
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