Dell xx Pro PC1x250 Laptops Show a No POST 1A8W Error Code Resuming from Sleep

Summary: The following article provides information about a No Power-On Self-Test (POST) error seen when you resume from sleep. The Dell xx Pro PC1x250 laptops do not respond at the POST and do not boot back into Windows. They report a single amber and eight white No POST error code. The diagnostic Light Emitting Diode (LED) repeatedly flashes the error code. ...

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Symptoms

The laptop does not POST after resuming from sleep

 

Your Dell 16 Pro PC16250 or Dell 14 Pro PC14250 laptop can fail to POST after resuming from sleep running the Windows operating system. The laptop does not respond and it messages nothing on-screen. However, it does give a repeating No POST error code using the laptops diagnostic LED.

A single amber and eight white (1A8W) LED flash code reports the following error:

Chipset “Catastrophic Error” signal has tripped

Cause

The Intel Management Engine (ME) firmware causes the Central Processor Unit (CPU) to stop responding. This happens when resuming from a low power state.

Resolution

Note: You must have administrator rights on your laptop to make any operating system changes or update any firmware or software.

Restart the laptop and update the BIOS to Dell Pro 14 PC14250/16 PC16250 System BIOS, version 1.2.0 or later. Use the information in the following article link to download and install the Dell_Pro_PC14250_PC16250_1.2.0.exe update file:


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Affected Products

Dell Pro 14 PC14250, Dell Pro 16 PC16250
Article Properties
Article Number: 000294417
Article Type: Solution
Last Modified: 23 May 2025
Version:  3
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