precision 7520

Question

Hello, I have a Dell 7520 laptop I am disassembly for replace usb after assembly not power on when press powe botton led in botton on but not stat up after 1 minute led of

Chino de Oro · Answer

you may have damaged the motherboard or forgot to connect something properly, hopefully the latter.  Whichever the case, Go through the process and assemble the device again using the service manual and tutorials.

Kian4141 · Answer

@Chino de Oro​ it is disassembly tutorial only not help me

precision 7520

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