Question Laptop black screen and restarting before logo splash-screen ?

Oct 30, 2021
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Hello, I have acer helios 300, after updating, Im getting black dim screen and the laptop restarts automatically after 10 seconds even before anything show up on the screen. I tried different ram, and I reset the cmos battery and used all the battery/static power solution. I went to a local repair man and he told me that my bios is corrupted during the update and I need to fix/reprogram it using the bios pin file and not the bios setup file. Please assist me with any possible solution.
 

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