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Backlight does not turn off


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9 replies to this topic

#1 williamjohnson

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Posted 27 January 2015 - 05:20 PM

I replaced the screen on an Acer netbook D260 and the screen stays lit when the machine is turned off.

I am perplexed as I thought that the power would be cut off from the screen.

Any ideas?



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#2 Firebeast

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Posted 27 January 2015 - 08:53 PM

Is it possible you wired it wrong or don't have a fully compatible screen?



#3 Datcoolguy

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Posted 27 January 2015 - 09:10 PM

Does it remain on when you close the lid as well?


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#4 williamjohnson

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Posted 28 January 2015 - 08:08 AM

Is it possible you wired it wrong or don't have a fully compatible screen?

No, the connector is one piece and the screen is for the device. 

If the screen was defective the question of how the backlight is getting power with the netbook turned off does not make sense to me.



#5 williamjohnson

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Posted 28 January 2015 - 08:09 AM

Does it remain on when you close the lid as well?

Yes, the backlight stays on with the device turned off and with the lid closed. I do not understand how it is getting power as there is no on/off switch for the screen itself.



#6 Datcoolguy

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Posted 28 January 2015 - 09:10 AM

Are you able to lower and raise the brightness of the screen when in windows?


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#7 williamjohnson

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Posted 28 January 2015 - 09:35 AM

Are you able to lower and raise the brightness of the screen when in windows?

No, I can not lower the brightness, and It appears to be as bright as it can get



#8 Datcoolguy

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Posted 28 January 2015 - 10:02 AM

It sounds like whatever that controls the backlight is either not responding, or incompatible with your current setup. Or so it would seem to me. Is the replacement screen original? Or a knockoff?


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#9 JohnC_21

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Posted 28 January 2015 - 10:10 AM

With the power off and the backlight still lit, it sounds like some kind of short but I could be wrong.



#10 williamjohnson

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Posted 28 January 2015 - 10:43 AM

To bounce an idea around, If the power to the backlight is controled in the screen (based on a signal or not) than a defect in the screen itself could cause the backlight to stay on.

What do you think?

I am going to send the screen back for replacement.

Thank you all for your thoughts and questions that made me think






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