How do i unlock key board on acer laptop 7540 no keys work at all tried everything

Acer aspire MS2361 unlock key password bios hi have ACER Model MS2361Unlock key hint number 3AD76D85I will donate http://tanmax1193.blogspot.in/2013/12/i-have-acer-ms2361-unlock-key-hint.html http://tanmax1193.blogspot.in/2013/12/i-have-acer-ms2361-unlock-key-hint.html

Hold down the Fn key and press F3

that turns the wireless on/off

To connectyour computer to a wireless router, you click the Refresh networklist, then Choose your wireless network and then click Connectto your secured Wireless Network, it will asks for a Network Keybefore allowing you to connect into your wireless network. This NetworkKey is either the WEP, or WPA or WPA2 Encryption key that is used toconfigure the Wireless Router. The Passphrase is an alternate way tosetup the Encryption key.
When you are requested for a Network Key, you can just enter the Passphrasethat was used to configure the Encryption key in the wireless router.http://www.fixya.com/support/r5270415-network_password_network_addressFor information on securing your wireless network,configuring the wireless router and configuring the wireless card in thelaptop/computer, please click on this link and follow my instructions :-http://www.fixya.com/support/r3559128-wireless_router_security

If you want to replace your keyboard, buy keys and replace it, if you can't replace it by yourself, take it to somebody knows how to replace it.

Clean ur pc 4m dust with a blower and if again not working then contact with ur customer support

IS YOUR MACHINE IS UNDER WARRANTY IF YES LOOK FOR ACCIDENTAL COVERAGE OR CLAIM A HARDWARE FAILURE....THIS WILL REPLACE UR KEYBOARD FREE OF COST...OR YOU CAN BUY FROM HERE

please give us your problems in details. i.e. - it is working before your windows login page are it is not working with computer boot.

Try to turn off the acer laptop, remove the cables and battery . Press & Hold the power button. Then replug cables and battery. Turn on pc and if symptopm persist, consult acer tech support at 1-800-816-2237

you can change this on control panel

Try hooking up and external key board see if that works ok, and if it does you may want to try to find a new or used key board for your laptop. The key board may be shot, It should be fairly easy to change to a new board, Hopefully That will help you diag. the problem..