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Locating Backlight fuse, display backllight not working anymore

Hello, last week, I accidentally damaged the screen of my T14s Gen 3 AMD, and I subsequently purchased two replacement panels that appear to be fully compatible (same FRU and model). After connecting the 30-pin cable, I can see a display, but unfortunately, there is no backlight on either of the screens.

I'm pretty sure it's the fuse backlight, i'd like to fixit but i'm not sure where is it
Do you have any suggestions or ideas to resolve this issue? Thank you in advance.

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we need to know if your motherboard is a LCFC NM-F151 or a LCFC NM-E422 or some other board

da

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Resolved! the backlight fuse named FV1 3a 32v is here

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I replaced it and everything works again.

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I killed my backlight by misaligning the connector whilst having the system powered on. Pretty sure the fuse was blown after seeing electrical sparks.

@greyxor45664 What model of the fuse should I buy? and do you have the boardview+schematics for it?

da

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@greyxor45664 Explain this "I accidentally damaged the screen" a bit more. After all, if you think it is the backlight fuse we need to know how it may have gotten shorted out. The other thing that will help if you post some really good, large pictures with your Question. That way we can try and help you to identify the "fuse". Remember, there is more than the fuse that makes up the backlight. Yes, the fuse is a good start, but do not forget the display connector. I have seen more damage on those then an actual blown fuse. It is also possible that this is a backlight driver error. Just making sure you are not too focused on just one thing.

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It was indeed the backlight fuse.

Thanks for your help

da

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GreyXor sarà eternamente grato.
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