How do I get Wi-Fi off my Ematic tablet ?

SOURCE: Unable to connect to wi-fi

I think it is saying that the wifi "card" is set so that it is not being configured by windows.

In XP

Control panel > Network connections

Under LAN or High-speed internet you will see an icon labelled wireless network connection. Right click on this and then click properties. You will see three tabs at the top
General - Wireless Networks - Advanced

Click on wireless networks
There should be a tick-box saying Use windows to configure my wireless network settings. I expect that, in your case, the box is unticked which means that the software supplied by the vendor of the wifi card is configuring the settings. I find that it is usually more reliable to let windows do it.

So tick the box and click OK. You may then have to reboot.

SOURCE: I have a problem witch wi-fi. my wi-fi can'not

here is the download link for your Wi-Fi driver

For Windows Vista : 

http://cdgenp01.csd.toshiba.com/content/support/downloads/driver_wifi_realtek_28824A.exe

For Windows 7 : 

http://cdgenp01.csd.toshiba.com/content/support/downloads/driver_wifi_atheros_TC00190600E.exe

Download and install the driver according to your operating system.

Your Wi-Fi will work fine now.

That's it.

SOURCE: wireless internet access

A wireless 802.11b LAN adapter is included in you tablet, activate it thru Control Panel / Wireless. Unfortunately this is the first generation standard and as such is extremely slow, has very limited range and is no longer supported by a lot of the newer generation devices/hotpoints.

SOURCE: When I go to use

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SOURCE: how can I connect my tablet to wi-fi

on your settings go to wi fi settings turn it on