Acer Nitro 5 AN515-55 has no display. It only powers blue led. No fan, no keyboard, nothing is work

KingBird

My Acer Nitro 5 AN515-55 has no display. It only powers blue led. No fan, no keyboard, nothing is working.

I tried some fixes found on the internet such as power reset by turning off and pressing power button in 60 seconds. When I press the power button, it powers the blue led and after 5 seconds, it turns orange and then blinks continously. If I press any keys, it will blink faster...

Please Help!

[Edited the thread to add issue detail]

Puraw

https://community.acer.com/en/discussion/691638/an515-55

First see if there is a small pinhole in the back of your laptop (with a battery sign) and stick a pin in that hole till you feel it click (micro switch), keep pressing the pin for a few seconds. Try to boot, if no results, open the back of the laptop and disconnect the battery cable from the motherboard, Close the back again (no need for screws yet) and plug-in the adapter, try to boot without battery. If that works you need to replace the battery. If you still cannot boot, try a Hard Reset and Power Drain: Unplug the power adapter and open the back of the laptop again (battery should still be disconnected). Remove the battery to get to the CMOS module (with 2 twisted wires Red and Black) and remove the coin battery. With a bended paperclip shorten the +/- contacts inside the CMOS capsule for 2 seconds and put the coin battery back with the + sign facing up, close the CMOS capsule. Next, take the DDR4 module out of the slot (see video below) and put it firmly back, secure the DDR4 bracket till you hear a loud click. Press the Power Button on the keyboard for 10-15 seconds and reconnect the battery cable to the motherboard. Close the laptop, plug-in the adapter and try to boot.
https://laptopmedia.com/highlights/inside-acer-nitro-5-an515-55-disassembly-and-upgrade-options/