Hello Evgeny and sorry for the late answer.
Can you please post the result of the following command:
cat /var/lib/acpi-support/system-product-name||dmidecode --string
system-product-name|sed -e 's/ *$//'
Can you try to add something like that in /usr/share/acpi-
support/FUJITSU SIEMENS.config:
"Amilo M7400"*)
ACPI_SLEEP=true
SAVE_VIDEO_PCI_STATE=true
;;
where "Amilo M7400" is the result of the first command.
** Changed in: Ubuntu
Assignee: (unassigned) => Kaleo
Status: Unconfirmed => Needs Info
** Summary changed:
- ACPI video problems
+ No screen upon ACPI resume
** Summary changed:
- No screen upon ACPI resume
+ No screen upon ACPI resume from suspend to ram
** Changed in: Ubuntu
Importance: Undecided => Medium
--
No screen upon ACPI resume from suspend to ram
https://launchpad.net/bugs/50960
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