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Re: my r51 laptop is showing a padlock and i cannot boot...
The power on password is stored on an EEPROM chip. There are no backdoor passwords. There is a hack but you need to have some electronic skills and you need to pull the laptop apart.
For details on how to do this go to www.sodoyourself.com
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If it is at all possible, connect an external monitor to the computer. All laptops should have a port for an external monitor. If the external monitor works then you screen is most likely bad and needs to be replaced. If the external monitor does not work then your motherboard is probably bad.
YES ThinkPad R51 2887-MQ5 supports wi fi . For that make sure wireless network adapter driver installed in laptop. For that right click on my computer icon thne click on proeprty then hardware ->device manager. It shows all driver in list. Make sure wireless driver is there and Enable to. Make sure WI-FI switch is turned on in laptop. Then right click on my network places and then click on proeprty you can see your wireless network adapter there then right click on it then click on "view available networks".Then connecrt. If you need driver for your laptop you can download from below link. click here Let me know if you need more assistance.Thanks.
This indicates a possible memory problem. Reseat the RAM modules and boot up, if OK then the laptop is OK.
If not then :-
If you have two RAM modules, remove both and insert one and boot up, if it is OK then repeat with the other one - this will determine which memory module is faulty.