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Please help, My laptop Toshiba Satellite L645 blank screen when turned on, there is absolutely no view. please help me ..................

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Can you tell if the laptop itself is turning on?

If not then there is an issue with the laptop.

If the laptop is turning on then try plugging in the laptop to an external monitor and see if you get anything on the screen. If the laptop works normally with the external monitor then you will need the screen replaced . If the laptop still shows nothing on the external monitor then you will need to repair your laptop.

Please rate if this helps

Posted on Mar 14, 2011

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Posted on Jan 02, 2017

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Replace the screen as the external monitor is OK.

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ANYONE KNOW WHY MY TOSHIBA SATELLITE L645 BECOME BLACK SCREEN BUT THE PROGRAM STILL RUNNING ?


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How to solve Toshiba satellite L645 From black screen ?


You may have a faulty inverter, it supplies high voltage to the CCFL lamp.
If your laptop appears to boot up and the hard disk LED flashes, then the problem is probably a back light fault. This can be a faulty inverter or a faulty CCFL lamp. Please click on this link and follow my instructions to identify the fault and possible fix :- http://www.fixya.com/support/r3598095-faulty_laptop_lcd_screen

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I have Toshiba 14" Satellite L645 i5450 notebook


It is possible to connect a modem to the laptop. Connect the modem to the laptop using the telephone style socket on the laptop. The mother board will then pick this up and load the relevant drivers for your modem.
If you are not sure, contact Toshiba online. They are extremely helpfull.
Hope this helps.

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I have Toshiba 14" Satellite L645 i5450 notebook


the Satellite L645 line has optional built in analog modem
but can not find info on you specific model

this line does not seem to have a serial port nor pc card slot
therefore can not support a analog model unless you can find a manufacturer of a usb model

but if your want to connect to a dsl or cable modem that is done thru your rj45 port with a ethernet cable

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White screen means that your lamp (back light) is working absolutely fine, but you could have a loose connection for the data ribbon cable, which sends the images to the monitor.
Carefully open laptop to reach its lcd, there must be ribbon cable which looks like this: mrc-0069.gif
It is very sensitive so be very careful with that, very gently remove this from the chip and reconnect it.
Hope this helps, Please feel free to ask me any further.

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