Acer Aspire 4736Z BIOS Bricked (failed flash bios update)

So as the title says, I bricked my laptop. I'm not that good at explaining but let me try. I reformatted my laptop and installed the drivers given by the acer support, driver and manual site. and noticed my speakers aren't working. I opened my laptop to check if the speakers are still okay or the pins might have been disconnected. So it was still okay, after a couple of minutes searching, I found out I needed to update my BIOS. and so I did (yes I checked the version first). everything was doing well as planned except for some reason there was an error on memory block 0xFFFFF100. it didn't give me any more details except Error on Memory Block 0xFFFFF100 and decided to shut it self down. I re started my laptop and it gave me the dead screen.

I've been trying the Flash Drive FN + ESC method, but as to no avail (it's still running and it was for the whole day 3 days ago, switched to another port next day and same thing). It's not doing something. anyone know how to reflash or restore the stock BIOS?

sorry for a very long question

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