BugZero | Dell BugID 312482 - External Mouse Does Not Function When Resuming Fro...

Dell - Defect ID: 312482

External Mouse Does Not Function When Resuming From Modern Standby

Dell - Defect ID: 312482

External Mouse Does Not Function When Resuming From Modern Standby

Last updated on May 23rd, 2026

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Severity: N/A

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Bug Details

Support Case Count:
Article View Count: 127
Impact Category:

Description

Symptoms

The externally plugged in mouse does not function when resuming from Modern Standby/S4 unless refreshed in Device Manager. Affected Platforms: Dell Pro Micro QCM1255 Dell Pro Slim QCS1255 Dell Pro Tower QCT1255

Cause

This is due to a BIOS coding issue.

Resolution

Updating to 1.0.4 or later on the computer resolves the issue. To download and install the BIOS, refer to the Dell BIOS and UEFI Update Download and Installation Guide .

Change history

2026-05-23 Added: 3

2026-05-23 Removed: 3

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Fixed versions: No known fixed versions

Relevant Products

Click on a version to see all relevant bugs

Affected versions:No known affected versions

Fixed versions: No known fixed versions

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Dell - Defect ID: 312482

External Mouse Does Not Function When Resuming From Modern Standby

Dell - Defect ID: 312482

External Mouse Does Not Function When Resuming From Modern Standby

Last updated on May 23rd, 2026

BugZero Risk Score0.0 Coming soon

Bug Details

Symptoms

Cause

Resolution

Top Dell Defects

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