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Dell laptop running Ubuntu may have issues waking up from suspend by pressing the power button. Pressing touchpads or keyboards wake up the laptop with no issues. Affected Platforms: Dell 15 DC15255Dell Pro 15 Essential PV15255 Affected Operating System: Ubuntu
An update in the power button method caused the issue.
The engineering department is working on a fix to be released in BIOS version 1.7.0 for DC15255 and 1.6.0 for PV15255. The updated BIOS is posted to the computer's support page once it is made available in April 2026. Workaround: Press touchpads or keyboards to wake up the laptop from suspend.
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