[help] notebook aspire f5 no POST

Hey guys, I have an acer aspire F15 F5 - 573G, a few days ago I updated the BIOS successfully from 1.25 to 1.27 through windows flash, but now after a few days, the laptop won't boot, I turn on, power and battery leds are normal, fan spinning, but nothing on the screen, I've already tried connecting to external monitor, reseating hdd, memory, and every other connector on mainboard, nothing worked. So I tooked it to assistence, the guys tested every single component, like HDD, memory, etc... (according to him) and everything is fine, but he could not identify the problem. So I'm guessing is just some misconfiguration on BIOS, I tried removing the cmos battery for about 1 hour, but it didn't work, BTW, the computer have no warranty anymore. Now I thinking about short out the cmos jumper before trying a BIOS recovery (the recovery mode with fn +esc is working), but i can't find it, the motherboard have no indication on it, so i would appreciate any help on finding the jumper.

the motherboard model is ZAA X32, I can upload some photos if needed!

thanks

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fairestmeat

*Update

While I was searching for the Jumper I thought about turning the machine on with thé back cover off, to see if everything was starting, and for my surprise, thé fan was not spinning properly! What I thought was the fan was acttually the HDD. When I turn the Power on, the led is good, the HDD starts for a while than stops, the fan spins for half a second than stops to...

I'm really suspecting of a BIOS misconfig...

Karp-Acer_Retired

We are sorry you are having an issue with your unit. Since the Acer Community is a peer to peer platform and you have tried to troubleshoot and the unit continue to present the issue, we suggest you contact the Acer support channel in your region to setup repair.