Your only hope is a hardware SPI flash programmer. But when you search online for a BIOS dump for your specific model (e.g., Acer Nitro AN515-54), you find nothing, or you find a file uploaded by a stranger on a Russian forum—a dicey security proposition.
When an Acer laptop or desktop refuses to boot, displays a black screen, or gets trapped in a boot loop, the BIOS is often the culprit. But unlike HP or Dell, Acer has a notorious reputation for encrypting its BIOS updates. You cannot simply download an .exe file and extract the raw binary data needed for a hardware programmer (like CH341A or RT809H). acer bios extractor tool
Enter the solution: