I just wasn't confident enough in the supplied Free DOS method and didn't want to risk bricking my laptop.Yes it is possible to update the BIOS without installing windows.Ubuntu Forums has an excellent tutorial which you should consult.

updating bios on acer aspire one-89

The BIOS update for the Acer Aspire 4820TG is distributed as a zip file, containing a Windows executable and a DOS executable.

How do I get this installed under Ubuntu without resorting to installing Windows?

The files I intend to install are located on thispage.

In the end, I took the easy way out of booting into Windows and running the firmware update.

Use the following steps to to update the BIOS of the Aspire One A110 or A150: Plug in your AC adapter. Press and hold down the Fn and the ESC keys together and press the power button. Mark as New; Subscribe to RSS Feed; Highlight; Print; Download Acer BIOS drivers, firmware, bios, tools, utilities .

Acer website says that BIOS update is available for my Aspire 4710, … Acer Aspire One D255 BIOS upgrading [ Edited ] Options.

Limited Warranty; International Travelers Warranty; Answers By Acer; Warranty Activation; System Information; …

Yes, you either need to use Free DOS to run their DOS flash utility, or check and see if the bios has a built in utility to flash itself.

Many motherboards these days can do that if you point them to the file on a cd or usb flash stick.