Dell Pro or Desktop Stops Responding or Displays a Black Screen During S4 Hibernation Mode

Summary: Learn about a Dell Pro or Desktop computer that stops responding or shows a black screen during S4 hibernation mode.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
Check out other resources

Symptoms

Dell Pro or Desktop computer may stop responding or show a black screen. The issue occurs during S4 hibernation mode.

Affected Platforms:

  • Dell Pro Max Slim FCS1250
  • Dell Pro Max Tower T2 FCT2250
  • Dell Pro Slim Essential QVS1260
  • Dell Pro Tower Essential QVT1260
  • Dell Slim ECS1250
  • Dell Tower ECT1250

Cause

This is a BIOS coding issue.

Resolution

Press the power button for more than 30 seconds to force shutdown the computer then power on again to recover from the issue.

Note: Before starting the update, perform the following:
  • Back up all personal data. For more information, refer to Back Up and Recovery.
  • Ensure that power remains connected to the desktop.

For Dell Pro Max Slim FCS1250 and Dell Pro Max Tower T2 FCT2250

For Dell Slim ECS1250, Dell Tower ECT1250, Dell Pro Tower Essential QVT1260 and Dell Pro Slim Essential QVS1260

Affected Products

Dell Slim ECS1250, Dell Tower ECT1250, Dell Pro Max Slim FCS1250, Dell Pro Max Tower T2 FCT2250, Dell Pro Slim Essential QVS1260, Dell Pro Tower Essential QVT1260
Article Properties
Article Number: 000298847
Article Type: Solution
Last Modified: 16 Oct 2025
Version:  3
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.