The uploaded file worked like a charm. Wrote it via a RT809h. The notebook did not wanted to boot to any kind of windows system (neiter uefi or mbr). The linux live cd was booting properly but anything remotely windows-ish was freezing the notebook. After flashing the bios chip the notebook instanly started to boot from the windows installer via UEFI. Just wanted to share my experience with you. Thank you again for the help. The exact model of the machine was Acer A315-21G-66DW
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