October2014. There is a fairly easy way to usually fix this, but you need a Windows 8.1 Recovery Disk, or Installation Disk to try it. a. When your computer starts, wait for the manufacturer logo to check the option for boot menu, it will usually be F12. b. The boot menu key might differ with each manufacturer. Howto enter the Boot Options Menu on most ACER laptops - The easy way! Ultimate DIY 68.8K subscribers Subscribe Subscribed 677 Share 159K views 5 1 During powering on the device keep tapping F2 to access BIOS menu. 2. use arrow keys to navigate and to go security. here disable the secure boot and go to boot tab. 3. change the boot mode from UEFI to Legacy ( if you are trying to install a lower version of your operating system ) AcerAspire 3 A315-2 laptop how to enter to the Boot Menu.Laptop Specs:AMD Ryzen 3 3200UDDR4 RAMSATA & NVMe Storage15.6" HD ScreenMy discord server:https://d Insertthe boot stick with the machine turned off. Then turn the machine on and IMMEDIATELY start tapping the F12 key. A menu should appear to allow you to boot Itwill download the windows media creation tool - click on media creation file on the lower left corner. Insert a blank 8 gb flash drive. it will download and install the windows 10 on the blank flash drive.. Kindly use atleast a 8 gb usb flash drive to download windows 10. Zugriffauf das Acer Boot-Menü und das Acer BIOS. Acer bietet eine Reihe von Modellen an (z. B. Aspire One, Aspire Timeline und Aspire v3/v5/v7), um den Inthe BIOS you want Secure Boot disabled and the F12 Boot Menu enabled. Then you want the flash drive to be configured for UEFI boot, so GPT not MBR. Once they are all correct you use the F12 to get a boot menu and Windows Boot Manager will boot from the USB. Secure Boot is in the Authentication tab, Boot Menu is in the Boot Options tab. Theboot menu for the Acer Aspire 5570 is accessed by pressing the "F12" key when the startup screen appears. This will open the Boot Menu, from which you can choose the device from which you want to boot the system. Use the arrow keys to select the "Boot" menu, and then select "Boot Settings Configuration". Createa bootable media and boot Acer from it (like we do in the last method). Step 2. Click “Recover” on in the top toolbar, and choose “Partition Recovery”. Step 3. Select the disk that contains the lost boot partition and causes "no boot device" issue in Acer. Step 4. IAzmtIw.