Aspire ES1-512 Boot from USB - USB Boot Option Never Appears in Boot Manager : r/techsupport
What is the boot menu key for Acer laptops? - Quora
How to boot from usb on Acer Aspire E15 series - Geek's Lab
How to fix a non bootable device in my Acer Aspire ES13 - Quora
Amazon.com: Acer Aspire E 15 E5-575-33BM 15.6-Inch Full HD Notebook (Intel Core i3-7100U Processor 7th Generation , 4GB DDR4, 1TB 5400RPM Hard Drive, Intel HD Graphics 620, Windows 10 Home), Obsidian Black :
Acer Aspire 5315-2153 Notebook Intel Celeron @1.73GHz 1GB RAM - NO HD NO OS | eBay