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03-23-2023, 10:45 AM
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#1 |
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Boardkiller
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 3,054
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Lenovo Z500 LA-9063P noBacklight - No PWM voltage
Hello.
Have this Lenovo Z500 LA-9063P that have no Backlight. All voltages is ok but no PWM voltage. R431 have no voltage on botha sides. looks like PWM come right from EC. This means that EC is burned? |
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03-23-2023, 11:02 AM
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#2 |
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Boardkiller
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 3,054
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Re: Lenovo Z500 LA-9063P noBacklight - No PWM voltage
what a damn solution. enter bios and push button for add baklight and all work
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03-23-2023, 12:14 PM
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#3 |
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Boardkiller
Join Date: Feb 2014
City & State: slovakia
My Country: slovakia
Line Voltage: 230VAC 50Hz
I'm a: Hobbyist Tech
Posts: 3,054
|
Re: Lenovo Z500 LA-9063P noBacklight - No PWM voltage
system offcourse need that mighty registry change to have working backlight buttons on Z500
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