Won't turn on, power LED white

[DomB13]

I have a 2 year old 15t notebook. It worked fine this morning, but now it won't turn on. 

The power LED was orange when plugged in, but after plugged in for a while, the LED is now white. I assume the means the battery is charged. 

I've tried the hard reset, pulling the battery and unplugging, then holding the power button for 60 seconds.  It doesn't turn on.

I did notice that when plugged in, if I hold the power button for 5 seconds, the white LED turns off. 

I've opened up the case, re-seated the RAM. Still doesn't turn on.

I found the service manual, and I'm comfortable replacing internal parts. But I don't know what is worth trying to replace. 

Any suggestions? 

[A4Apollo]

Hey there! @DomB13,

Have you tried checking with a replacement adapter?

Check if the pin inside the DC (Charging) port is bent or broken.

Also, refer this article to know more information about no power issues with the laptop. Click Here

If the issue still persists after trying out the steps. It is certainly a hardware issue with the laptop.

Please contact HP support for service options. Click Here

Have a pleasant day ahead!

Take Care! 🙂

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