Now make sure the netbook is off and is fully charged. This file is in the same folder as the one you previously renamed. Now, copy this renamed file to the flash drive that you previously formatted and also copy the file, Flashit.exe to the drive as well. You have to change this file name to the following….zg5ia32.fd Right click on this file and scroll down to “Rename”, choose rename. “Dos_Flash…open this folder and you will find the file that has the version number of the BIOS files needed to flash the BIOS. Now go to the folder that has the unzipped BIOS files. Run the format, hit apply and accept and the flash drive will be formatted to the “FAT” file system, this will allow it to boot your computer and flash the new BIOS. Choose “FAT” as the format….not fat32 and not ntfs. Right click on the flash drive and scroll down to “Format”. Now go to “My Computer” in the control panel and find the flash drive listed. When the files are unzipped they will all be listed. Now find the file and unzip it to that folder. Save it to a folder on the desktop so you can find it later. Once you choose the model, choose BIOS and download the latest that is listed. Navigate to the exact model of your Acer One, it will be labeled on the bottom of the case. Go to the Acer support site and go to service and support and go to the drivers download section. Make sure it a flash drive and not a reader or mp3 player. The first thing you will need besides the netbook is a flash drive, preferably a 1 GB version so you have plenty of room. In 90% of the cases, this black screen can be cured by flashing the BIOS of the Acer One. In most cases the black screen of death for the Acer One is due to a bad update or corrupt BIOS.

You will need a flash drive and the bios files from Acer support downloads, takes about 10-15 minutes total for this repair.

Try this guide for flashing the BIOS which is a common cause for this problem.

Acer aspire one zg5 driver