Startup Problem I have an IBM R51 and there is this strange beep sound comming out of somehwere from the processor whenever I press the switch on button the battery indicator lights up for a second and goes down again,while I am trying to charge it since some time the charging indicator is okhay but it seems that the battery is not getting charged. please help ... !!

may be ram faulty.
change the ram if prob. not solve then heat the ati chip on motherboard.

Go to another pc and lookup the beep codes.

Here are the beep codes for the Thinkpad:" Continuous beeping System board failure One beep; Unreadable, blank or flashing LCD LCD connector problem; LCD backlight inverter failure; video adapter faulty; LCD assembly faulty; System board failure; power supply failure One beep; Message "Unable to access boot source" Boot device failure; system board failure One long, two short beeps System board failure; Video adapter problem; LCD assembly failure One long, four short beeps Low battery voltage One beep every second Low battery voltage Two short beeps with error codes POST error message Two short beeps System board failure.

Something like that
http://configurator.memorystock.com/result.asp?mn=ThinkPad+R51+2883-xxx&modelid=43427

Just Remove the Battery and connect the Power Cable.
Try to switch ON the laptop. Please confirm if its working fine now.

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sounds like its not getting past bios due to .. i would say dirty ram cards take the ram cards out clean there points put them back in and try again

Look for the wireless on/off switch of the wireless adapter. Usually it is located infront of the computer right beside the LED indicators. Make sure that the switch is in ON position. If not infront, look on the side. You can also enable/disable the wireless network card by pressing Fn + F5.

You could open up the R51 and remove the CMOS battery. This would reset the password.

Here is a link I found that allows one to hack the BIOS password:
http://sodoityourself.com/hacking-ibm-thinkpad-bios-password/

Or try this fixya thread:
http://www.fixya.com/support/t1641914-ibm_thinkpad_r51

try removing all the memory modules on the system, usually you'll get beeps. if you do get a beep try one memory module at a time see if you get something on the screen, observe also the lights on the system see if they would stay on or blink or flash. its rare that a virus would attack the BIOS, more-likely a bad motherboard or harddrive can be prevent the computer from starting up. hit me back on the results. thanks!

Good day!
If you hear a long beepsound it is the memory problem. It may be dirty. You remove it and clean. Use eraser to clean the gold pins. If you hear a continues sound it is a mother board problem. Try to check the connections because it might be the processor doesnt work properly. It may need cleaning. Try to check also your power button. Press it properly. Sometimes it has dirt inside the button thats why no connection to your power button.
Try to post any result so that I can give you more trouble shooting tips.