Alienware Laptop Stops Responding and Displays 2 Red and 4 Blue LED Error Code
Summary: Learn how to resolve a no Post issue occurs on Alienware 16 Area-51 AA16250 or Alienware 18 Area-51 AA18250.
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Symptoms
Alienware laptop may stop responding and show 2 red and 4 blue LED error code. The issue occurs when changing the memory modules or unplugging and replugging the AC/DC adapter.
Affected Platforms:
- Alienware 16 Area-51 AA16250
- Alienware 18 Area-51 AA18250
Affected Memory:
- DDR5 Hynix 8G (HMCG66AHBVA315N or HMCG66AHBVA312N)
Cause
Memory training may have caused the issue.
Resolution
Note: Before starting the update, perform the following:
- Back up all personal data. For more information, refer to Back Up and Recovery.
- Connect the AC adapter.
Updating the BIOS version 1.5.3 or later on the computer resolves the issue. To download and install the BIOS, refer to the article Dell BIOS and UEFI Update Download and Installation Guide
Affected Products
Alienware 16 Area-51 AA16250, Alienware 18 Area-51 AA18250Article Properties
Article Number: 000322146
Article Type: Solution
Last Modified: 23 May 2026
Version: 6
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