# Laptop 13 AMD Ryzen 7 7840U Ubuntu Freezing

**URL:** <https://community.frame.work/t/laptop-13-amd-ryzen-7-7840u-ubuntu-freezing/75489>\
**Category:** Linux\
**Tags:** ubuntu\
**Created:** [September 23, 2025, 3:04pm UTC](https://community.frame.work/t/laptop-13-amd-ryzen-7-7840u-ubuntu-freezing/75489 "2025-09-23T15:04:29Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Mario\_Limonciello](https://sea1.discourse-cdn.com/flex001/user_avatar/community.frame.work/mario_limonciello/32/19277_2.png) [@Mario\_Limonciello](https://community.frame.work/u/Mario_Limonciello)\
**Post date:** [September 24, 2025, 3:24am UTC](https://community.frame.work/t/laptop-13-amd-ryzen-7-7840u-ubuntu-freezing/75489/3 "2025-09-24T03:24:31Z")

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Just a few potential causes I know of

> **[GitHub - daitj/gnome-display-brightness-ddcutil: Display brightness slider for gnome shell using...](https://github.com/daitj/gnome-display-brightness-ddcutil)**
>
> Display brightness slider for gnome shell using ddcutil backend

- Gnome/kde Night light feature.

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