Yes u will have to buy a Wirless Switch or a Wireless Hub Wireless Router will be a bit costlier and not suited for your requirement.
To chek the Wireless on your Laptop Your Laptop might be having a button externally pressing it can enable the Wireless connection and the Notification Area of your Task Bar will show the icon of connectivity.
But the above depends on your Laptop Vendor or Model best thing is to go with your Laptops user mannual it must have been mentioned there.
I am ready to spare the extra bugs..
But before that ...I want to confirm if will be able to carry my laptop all around in home with internet connectivity,
and the LAN router provided by My ISP be connected to to the Wireless switch?
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I dont have any such button you mentioned
But I searched the entire product manual but no signs of wi fi....
what to do now.... buy a PCMCIA card for wi fi.........???
HP Palath Evo N610c
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Wait a min i will have to look for your vendor mannual.
Go here
My Computer - Right Clik - Manager - Device Manager - Network Adapter
and there look for the WiFi Network adapter if it is installed or not.
Ur Laptop might be having it. If it is not installed then run your Motherboard CD and install the same and then you will see the WiFi Icon on your Notification Bar.
Yes you can. A Wifi PC Card will cost less than 1k. A 4port wired cum wireless router will cost you under 3k. I use Linksys WRT54G and it works like a charm. It cost me 2.6k 3 months back. Just search the forum. This question has been asked quite a few times. So search the forums. You can find more info regarding your queries.