ASUS A55VM series BIOS rescue method is as follows:

This method can only flash the BIOS back to the version that came with the system before leaving the factory (depending on the version that comes with the system, it is usually earlier).

[Applicable conditions]:

　2. The last BIOS flash failed and emergency treatment is required.

[Required tools]:

The laptop contains a recovery hidden partition with a factory-installed system.

Notes:

1.) There are certain risks in flashing the BIOS, please. Be sure to back up important data on your computer's hard drive in advance.

2.) During the BIOS flash process, be sure to connect the power adapter and ensure that the battery has at least 30% power to prevent power outage midway; avoid Press the keyboard, mouse, or plug and unplug the USB device.

3.) Taking UX21E as an example, the default BIOS version is 205. The screen and file name you see during the operation may be slightly different. Depends on the actual model.

Step 1: With the laptop turned off, press and hold the [Ctrl] and [Home] keys on the keyboard at the same time, and then press the [Power] key to turn it on.

(For some models where the [Home] button is not an independent button, but is combined with a function key and cannot function alone, you need to press the three buttons [Ctrl] + [Fn] + [Home] at the same time )

Step 2: A blue screen will appear on the display. At this time, the computer will automatically start the process of flashing the BIOS. Please wait for 1 to 5 minutes. When the computer completes the update to 100%, it will Automatically shut down.

Step 3: Wait for the computer to shut down automatically, then turn it on again and press F2 when the ASUS LOGO appears to confirm whether the BIOS version has been changed from the original default 205. Arrived at 204.