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The BIOS password is removed by the BIOS configuration, you need the BIOS password to get into the BIOS configuration.But if you do not have the BIOS password then you need to construct this dongle device. TOSHIBA BIOS PASSWORD DONGLE You can build a dongle that plugs into the printer port.Purchase a 25 pin male D sub connector and solder insulated wires to the various pins as listed below. The pins are numbered on the connector http://www.tilman.de/sonstiges/toshiba/dongle1.jpg this is a picture of the finished dongle
Wire the pins as follows :-1-5-10, 2-11, 3-17, 4-12, 6-16, 7-13, 8-14, 9-15 Plug the finished dongle in the printer port and power up the laptop. The password will be reset, go into the BIOS configuration to check the BIOS password, you may have to disable the BIOS password.
you should see the post screen if the monitor is working. try hte fn and the monitor or display key. some laptops toggle the display this way. another possibility is the lid switch that shuts off the display when you close the lid. and it could be heat damage.
whats happening is that the cpu is overheating and shutting down the computer due to your fan not spinning, if you wish to test this remove the bottom panel and remove the fan and its cooling tubes should all be one part (quite easy 3 or 4 bolts) and blow on the cpu or put a pedistal fan facing it or any other form of cooling that wont damage it, and try to start it if it boots for a while it is the fan and you will need to replace it, i had this exact problem yesterday
It sounds like two possible things. One thing may be that your screen is not working anymore. Can you get a monitor and plug it into your port located on the side of your laptop? If your screen pops up on the monitor this tells us your screen is either in need of replacement or a connection may be loose.
If that is not the case......
Another thing is your hard drive may not be initiating. If you feel confident enough I would open the back where the hard drive is located and make sure the hard drive is not loose. Does it give you any beeping sounds when you turn it on? Can you count the number of beeps? This will tell you what the problem is on boot up. Also, is it a black screen with a cursor blinking?