You will typically see this error in three specific scenarios:
If your laptop has a built-in SD card slot, or if you own a cheap multi-format USB dongle that reads Memory Sticks, xD cards, or SDHC, there is a 90% chance an Alcor Micro chip is inside. Common chip models include the AU6470, AU9331, and—relevant to our error—the FA00 series. alcor micro unknown fa00 fw fa04 hot
The code [FA00] with firmware FA04 generally appears when the USB mass storage production tool cannot properly communicate with the controller chip. You will typically see this error in three