Question Dell P76f No Display Light

Apr 8, 2021
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Hi everyone can you help me fix my laptop no light on screen it has image on it. i can't find service manual on website this is my board id of my laptop RO 15/17 WHL 2G 18706-1 H3KD8 trace were its fuse or fix inverter lcd
 

hang-the-9

Titan
Moderator
Apr 8, 2021
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i tried that but its only how to dismantle a laptop hope if someone can share schematic or block diagram for servicing my laptop i really need to fix my laptop i can’t use it normally its hastle connecting it from a external monitor i can even bring my laptop from another place. i tried to look on web but i couldnt find anything same for my laptop even in the support section of dell hope someone can help me for this one.
 
Apr 8, 2021
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Hi there regrding on my previous post about my laptop that has no light on display i manage to troubleshoot on led and motherboard lcd flex cable connection that lcd maybe ok it has output voltage even in motherboard. I did a troubleshoot using a 30 pin lcd from old laptops so still no lights but ihas image. I wonder if it is cable flex?when i test it again the lcd that i test shows imitating light when you press a power the screen flickers for light but dim only.. here is thing if possible does my laptop has proximity sensor for sleep/wake when u open up the lid and close it.. i tried to search were possible the proximity sensor. But it says its on the lcd automatically. Hope some can find schematic diagram that can share for thats a big help for me. Thank you all.
 
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