Problème de mise en veille

Bonjour,
Je suis sous Manjaro KDE et lorsque mon pc se met en veille (manuellement ou automatiquement), il semble s’arrêter mais la led du pc est toujours allumé, et pas moyen de le faire sortir de veille je suis obligé de l'éteindre manuellement et de le rallumer.

Bonjour.
Il faudrait le retour entre balises </> code de:

journalctl -b 1 -p5

[jb@jb-pc ~]$ journalctl -b 1 -p5
-- Logs begin at Thu 2019-11-28 14:52:42 CET, end at Mon 2019-12-30 15:45:56 CET. --
nov. 28 14:53:23 jb-pc kwin_x11[823]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 3207, resource id: 54526006, major code: 18 (ChangeProp>
nov. 28 14:53:30 jb-pc kwin_x11[823]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 4024, resource id: 46137402, major code: 3 (GetWindowAt>
nov. 28 14:53:30 jb-pc kwin_x11[823]: qt.qpa.xcb: QXcbConnection: XCB error: 9 (BadDrawable), sequence: 4025, resource id: 46137402, major code: 14 (GetGeome>
nov. 28 14:54:05 jb-pc plasmashell[831]: file:///usr/share/plasma/plasmoids/org.kde.plasma.notifications/contents/ui/SelectableLabel.qml:58:9: QML QQuickText>
nov. 28 14:56:43 jb-pc kwin_x11[823]: qt.qpa.xcb: QXcbConnection: XCB error: 3 (BadWindow), sequence: 9061, resource id: 67108875, major code: 18 (ChangeProp>
nov. 28 15:11:13 jb-pc plasmashell[831]: kde.dataengine.mpris: "org.mpris.MediaPlayer2.chromium.instance1256" exports "SupportedMimeTypes" as D-Bus type "<un>
nov. 28 15:11:13 jb-pc plasmashell[831]: kde.dataengine.mpris: "org.mpris.MediaPlayer2.chromium.instance1256" exports "SupportedUriSchemes" as D-Bus type "<u>
nov. 28 15:11:13 jb-pc plasmashell[831]: kde.dataengine.mpris: "org.mpris.MediaPlayer2.chromium.instance1256" exports "Position" as D-Bus type "i" but it sho>
nov. 28 15:13:42 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:13:57 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:14:12 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:25:40 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:25:55 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:26:10 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:29:05 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:29:20 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:29:35 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:30:37 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:30:52 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:31:07 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:32:10 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:32:25 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:33:13 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:33:28 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:33:43 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:46:02 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:46:17 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:46:32 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:54:33 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:55:14 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 15:59:59 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 16:00:14 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 16:00:29 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted
nov. 28 16:28:07 jb-pc org_kde_powerdevil[941]: powerdevil: Unsatisfied policies, the action has been aborted