How to connect a laptop to a PC

I have a PC with no wireless card, and no wired Internet access in the building.  
I also have a laptop with access to wireless connectivity.
But the app that needs Internet access is on the PC.
How to connect my laptop to the PC in such a way that the PC can see the Internet through the laptop connection.
Thank you so much.
Dwight BaerStudentAsked:
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Andrew LeniartFreelance Journalist & IT ConsultantCommented:
Hi Dwight,

One of the simplest solutions would be to purchase a USB Wireless Network Adapter to plug into your desktop. In that way, you could either use the laptop's access to wireless connectivity directly from the PC or create a wireless peer-to-peer network between the laptop and desktop, then just share the laptop's internet connection.

To get an adapter, just type a search term like USB Wifi Network Adaptors into your favorite search engine to get a whole host of different purchasing options, often starting from as low as about $15.

I hope that's helpful.

Regards, Andrew
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aranaCommented:
As Andrew suggested the easiest way is to have a wifi adapter in your desktop PC, then you can configure the laptop wifi adapter to share its connection (assumming your laptop DOES HAVE a wifi adapter), once you have this prerequisites just do a web search for "urn your Windows 10 PC into a wireless hotspot"  and you will get many results with images and step by step instructions, its really easy and takes about 5 minutes.
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Craig BeckCommented:
Internet connection sharing is designed for this.
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Andrew LeniartFreelance Journalist & IT ConsultantCommented:
If your laptop also has an RJ45 connection port, you could also just use a crossover patch cable to peer-to-peer network your Desktop to your Laptop and once again, simply share the Laptop's Internet connection to your Desktop. Quite simple to do and by using a crossover cable, there is no need for a Switch or Hub.

Regards, Andrew
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Dwight BaerStudentAuthor Commented:
I'm in a remote community and with no wireless adapter.
My phone is working as a hot spot.  I have internet connectivity on my laptop.  My laptop is connected to a switch, and the PC is connected to the switch.  Please help me configure the IP address on both the laptop and the PC so that the PC can see the Internet through my laptop.
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Andrew LeniartFreelance Journalist & IT ConsultantCommented:
Dwight, that's a significantly different question so it would have been helpful to include those details from the start.

What version of Windows is on the laptop?
What version of Windows is on the desktop?
Have you set the same workgroup on both the laptop and PC?
Do you have *any* networking experience at all?

If your phone is just acting as a hotspot, then your easiest solution is still as I pointed out in my first answer - simply add a wireless adaptor to the PC. You will obtain better performance by simply connecting the PC to your Phone's hotspot via a wireless network adaptor.
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Dwight BaerStudentAuthor Commented:
My wireless adapter on my laptop (connected to my phone) has an IP address of 172.20.10.6
Default gateway:  172.20.10.1
I'm setting my local area connection to 172.20.10.2
I'm setting the PC to be 172.20.10.3

But the PC isn't able to see my laptop yet at 172.20.10.2
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Dwight BaerStudentAuthor Commented:
I am A+ certified, yes, and I understand about networks generally.
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Dwight BaerStudentAuthor Commented:
I'm also CCNA certified, I'm embarrassed to say.  This should be a very straightforward question for a Cisco engineer.  But it's been a while.
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Dwight BaerStudentAuthor Commented:
I have no wireless adapter for my PC, and no store to buy one.
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Andrew LeniartFreelance Journalist & IT ConsultantCommented:
Ok, firstly make sure that the Workgroup name is set to the same name on both PC and laptop, as well as Subnet.

Both should then be able to see each other.

If they still can't see each other, check Network and Sharing settings - ensure that network sharing hasn't been turned off.

Still no joy? Check Windows firewall settings - ensure that settings are allowing local sharing.

If you are still having problems, remove the Static IP's and use Automatically obtain IP on both the laptop and PC. They will get an IP from the router unless that functionality has been turned off. (or each other - depending on which one has booted first)

Once the above is set correctly, both Laptop and PC should be able to talk. Then it's a simple matter of sharing the Internet connection - how you do that will depend on whether or not it's Windows 7 or Windows 10 that you're dealing with.

Note: I'm not sure if a hotspot connection can even be shared - I'm assuming so but have never tried it. You'll soon know once the two machines can communicate. (Ie: able to ping each other)

Hope that helps.

Regards, Andrew
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Dwight BaerStudentAuthor Commented:
My laptop (Windows 7) can see the PC (Windows XP!)  but the PC can't ping the laptop.

I have them both in the same workgroup, same default gateway, same subnet mask.
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Dwight BaerStudentAuthor Commented:
Progress:  I turned off Windows Firewall on my laptop, temporarily, and allowed remote connections.
Now the PC can ping the laptop.  

It still can't ping google.com
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Dwight BaerStudentAuthor Commented:
Clarification:  I can ping Google from my laptop, but not from the PC.  Although the PC can ping the laptop, and is in the same subnet and same workgroup.
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aranaCommented:
Have you checked the gateway on the PC to be the same as in the the laptop or the laptop ip?
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Dwight BaerStudentAuthor Commented:
On the laptop, network discovery is turned on.  As is file and printer sharing.
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Dwight BaerStudentAuthor Commented:
The default gateway on the PC is set to the IP address of the laptop.
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aranaCommented:
ok depending on how you setup the sharing, you might need to set the default gateway to the same as setup in the laptop , and no the ip address of the laptop itself, try it.
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Dwight BaerStudentAuthor Commented:
no joy yet with the gateway set on the workstation to be the same as that of the pc, i.e. my phone
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Dwight BaerStudentAuthor Commented:
Progress:  I have remote desktop working from the XP workstation to the  laptop.

But it's the app on the workstation that needs an Internet connection.  

It's a payroll app.  Sortof important to our organization.
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aranaCommented:
can you ping 104.20.168.10   (experts exchange) from your desktop, using ip address instead of dns name?
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Dwight BaerStudentAuthor Commented:
no - I can't see "the cloud" yet.  I can remote desktop to the laptop with Internet access, but I can't make the last step of seeing "the cloud".
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Craig BeckCommented:
Like I already said, this is exactly what Internet Connection Sharing (ICS) is for. It's simple to set up on the laptop if it's running Windows.
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Dwight BaerStudentAuthor Commented:
Thanking each of you for your help, hopefully I acknowledged everyone who contributed.  In the end we just picked up the machine and carried it to a different building where we could get Internet.  I still wouldn't mind knowing how to configure Internet Connection Sharing on Windows XP.  But for for now this is being closed.
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