Since you have measured the voltage on the motherboard I must presume you are saying there is no power "indicator light" on computer. If this is not the case please clarify. If the light is absent please test the battery as these laptops are not designed to work without a battery or with a dead battery. Operating without a battery can spike the motherboard or other components and cause failure due to overvoltage. If you do have a power indicator light then next observe whether the bootup is proceeding with a beep after the POST (power on self test) and whether you can hear the movement of the hard disk drive... possibly indicating failed LCD display or display drivers/setup. Press F8 after the POST beep to get to safe mode display drivers.
If you were to log on to the
manufacturer's web site, I think you will be pleasantly surprised as
usually one is able to download, by model number, Customer
Instruction Manuals, drivers and a list
of Dealers as required.
Just Google the manufacturer's name and
follow the links. Make certain you are directed to the manufacturer's
web site as some search engines direct you to other sites and they
charge for the information that is normally free of charge.
I hope this helps.
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