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Hi i have a t42. I cannot detect any wifi even though i have it 1 metre away from me. My wifi does work and it displays there are wifi spots but whenever i view avaliable networks theres nothing there. Yeserday it was working and now i cannot access wirelessly. I also have AVG Pro aswell, may this be the cause of it ie firewall etc Thanks

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Hi. Since it was working yesterday. try to restore the computer from yesterday by using system restore.

Posted on Jul 07, 2010

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How to turn on wifi


hi

the T42 does not have WiFi, instead it facilitates internet connection via 16 BIT & 32 Bit PCMCIA slot to install a WiFi card , in order to go on the internet.

The ThinkPad uses the following adapters: v 360, 365X, 380, 600: 16-Bit PCMCIA v T20, T22, T23: 32-Bit CardBus and MiniPCI v T23: 32-Bit CardBus and MiniPCI Daughter Card v T30: 32-Bit CardBus and LAN on Planar Board (LOB) v T4x: 32-Bit CardBus and LAN on Planar Board (LOB). 16- and 32-Bit PC Card adapters are configured during ThinkPad initialization. Network Interface Controller data rates are: v For Token Ring: 4/16 MBps v For Ethernet: 10 Mbps...........16 bit PCMCIA 10/100 Mbps.......32 bit CardBus 10/100 Mbps.......MiniPCI and Daughter Card 10/100 Mbps.......T3x and T40 LOB 10/100/1000 Mbps..T42 LOB The MiniPCI Ethernet adapter is accessed behind a removable plate located on the bottom of the ThinkPad directly above the Model/Type S/N sticker. For T20 and T22, the MiniPCI adapter may be an Ethernet/Modem combination card. The Daughter Card (T23) is secured with two screws and is located next to the MiniPCI modem adapter.
please go to this link to read the manual -- it will explain the features for this ThinkPad of various series T42 model-type .

http://www-01.ibm.com/support/docview.wss?uid=isg2ffa39ae31a2f590e85256ced00828893&aid=1

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No display on lcd screen


check for lcd invertor if its ok its problem of vga chip
2 ways to solve
1) go to nearby service center which they just replace the motherboard
2) more risky bt work dissamble the whole laptop nd all accries from the motherboard including the cpu ram wifi card nd also black sheet from the main board then place the board in microvave where the vga chip is on the top nd microvave for 6 min at temp of 350 -390 f
now try the run the board

Jun 29, 2010 | IBM ThinkPad T42 Notebook

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Where is the wireless button on t42 thinkpad


There's no hardware switch to activate and deactivate the wireless networking, but pressing Fn and F5 brings up a menu that allows you to turn Bluetooth on/off, WiFi on/off or both. It seems like IBM isn't satisfied with standard toggle buttons like other notebook manufacturers - even pressing the Fn and F7 buttons to switch between internal and external screens, brings up a menu with multiple display settings and resolutions.
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1 Answer

Wireless Connection Keeps Dropping


Hi,

Some generic solutions for WiFi dropping out may include:
1. Use of static IP addresses for the clients (in your case the 2 Sony VPL-CX86s) rather than auto obtain;
2. Disable the WEP/WPA security;
3. Set MAC filter in your router and include MAC addresses of the 2 projectors;
4. Try raising the height/position of the router; and/or
5. use an aftermarket high gain antenna for the router.

As a reminder, WiFi works by line of sight (LOS), anything in between will reduce signal strength/coverage and that include people around/near the projector unknowingly blocking the router.

Hope that this be of some help/idea. Pls post back how things turned out or should you need additional information.

Good luck and kind regards.

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