Owners of Dell G15 5515 and Alienware m15 R5 Ryzen Edition gaming laptops may experience a start-up error after updating the BIOS. On restart the computer fails the Power-On Self-Test (POST) with a repeated LED flash code of two amber/red LEDs and then seven white/blue LEDs.
The BIOS versions known to show this fault are:
This section is not applicable to this article.
Dell has removed the affected BIOS versions from our support site.
You can run through the following steps to resolve this problem:
You must start by recovering the laptop from the No POST error. Pick one of the following methods:
Recover the laptop by resetting the Real Time Clock (RTC):
Remove the AC adapter and turn off the laptop.
Connect the AC adapter to the laptop.
Press and hold the power button until the power LED blinks three times. (For at least 30 to 35 seconds.)
Release the power button.
The RTC reset is complete after the power button is released.
See the following Dell Knowledge Base article for more information about the subject:
Recover the default BIOS using the BIOS recovery screen:
Unplug the AC adapter.
Press the CTRL + ESC keys together and release simultaneously.
Plug the AC adapter into the wall socket and into the laptop.
The laptop displays the BIOS recovery menu on-screen.
Select Reset BIOS settings to Default from the recovery page list.
(Use the Arrow or Cursor keys to navigate the menu.)
(Figure.1 BIOS Recovery Page Option)
The laptop reboots and on rebooting, it boots into the Windows operating system without any error messaging.
Identify and remove the Windows update firmware if it exists in Device Manager:
Click on the Start Menu and type Device Manager
into the search bar and press the Enter key.
Select open from the menu that appears under the utility in the search returns.
Look down the list for Firmware in the windows that opens on the desktop:
If you find Firmware, click on it to open up a tree section with further entries.
If you can see the entry System Firmware 01.11.01 or System Firmware 01.12.01, right-click the entry to open a menu.
(Figure.2 Example: System Firmware 01.11.01)
If you can see the entry System Firmware 01.11.01 or System Firmware 01.12.01, right-click the entry to open a menu.
Click on Uninstall Device on the menu that appears. Click uninstall on the uninstall device windows that appears.
(Figure.3 Uninstall the device)
If you do not see either System Firmware 01.11.01 or System Firmware 01.12.01, go on to Step.3.
Manually roll back the BIOS to the version available in the Dell support site for your laptop:
Browse to your laptops Drivers & Downloads page:
Select the Operating System that is installed on your laptop.
Under Category, select BIOS.
Locate:
The Dell G15 5515 System BIOS (Version 1.9.0)
The Alienware m15 R5 System BIOS (Version 1.9.0)
Click Download and save the file to your computer.
Open File Explorer and browse to the download folder where the downloaded file is saved.
Double-click the BIOS setup file and follow the on-screen instructions to complete the installation process.
The computer reboots as part of the rollback installation and boots back into the operating system.