Note 1: According to memtest86+ results, memory is OK. Also temperature sensors (on frozen screen) show normal temperature, so temporal overheating is also not the issue.
Note 2: Ctrl-Alt-F1 does not work even after Alt-SysRq-r
Note 1: According to memtest86+ results, memory is OK. Also temperature sensors
(on frozen screen) show normal temperature, so temporal overheating is also not the issue.
Note 2: Ctrl-Alt-F1 does not work even after Alt-SysRq-r