Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to reflash bios [title] Download the bios update executable from the manufacturer website. [step] Read any instructions that come with the executable. Most executables will run fine whether they are loaded onto a floppy or a cd.

Ending1: [substeps] You can download updates using your usb ports, using the icloud launcher, or by downloading the latest version of the app from the apple store. [title] Download the full version of the bios file you downloaded. Ending2: The instructions will let you know if a floppy isn't the recommended method. [substeps] If you don't know the manufacturer of your motherboard, you can use the online bios id manufacturer database to determine the exact make/model. Ending3: Make sure you follow all steps detailed in this article. [title] Access your bios update in full and play it. Ending4: If you don't have a cd in your system, purchase one from your internet retailer. Your download doesn't need to be a text file.

Answer format: ending1/ending2/ending3/ending4