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I have an Asus X455LD and I tried to update its BIOS and it went wrong. The laptop turned off when the process finished, and now when I press power button it does not turn on. The power led turns on, but nothing else. Can I reset the BIOS? It seems to have no a CMOS battery.

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    asus.com/support/FAQ/1012219
    – Moab
    Commented Mar 25, 2020 at 20:26
  • The problem is that the laptop actually wont't turn on. The screen stays black. Only power led turns on
    – Lucas Torres
    Commented Mar 25, 2020 at 21:40
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    Try it anyway. Create a usb disk, insert it and turn on. It should be detected and the screen should turn on.
    – LPChip
    Commented Mar 25, 2020 at 22:02
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    Thank you guys, it's working now. I tried this method before, but I don't know why the laptop didn't detect the USB.
    – Lucas Torres
    Commented Mar 26, 2020 at 15:12

1 Answer 1

Reset to default
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See this page, create recovery usb and insert it, then power up, it should recover the bios automatically.

The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file by using the motherboard-support CD or a USB flash drive that contains the latest/original BIOS file.

  1. Turn on the system.
  2. Insert the motherboard-support CD to the optical drive, or the USB flash drive which contains the BIOS file to the USB port.
  3. The utility automatically checks whether the BIOS file is saved in the device. When the BIOS file is found, the utility starts to read the BIOS file and automatically enters ASUS EZ Flash 3.
  4. The system requires you to enter the BIOS Setup to recover the BIOS settings. To ensure the system compatibility and stability, we recommend that you press to load the default BIOS values.

Note: DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure!

  • CrashFree BIOS 3 program is built into the BIOS, you don't need to install the additional programs.
  • Availability of CrashFree BIOS 3 program depends on whether the motherboard specifications are supported.
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