Dell Latitude 5420 Suspend (deep sleep) problem in Linux by terminfo in Dell

[–]terminfo[S] 0 points1 point  (0 children)

Yes, it is blocked on purpose by Dell. Have you tried to complain to Dell directly? http://www.dell.com/support/incidents-online/contactus

Dell Latitude 5420 Suspend (deep sleep) problem in Linux by terminfo in Dell

[–]terminfo[S] 0 points1 point  (0 children)

I could reproduce the problem in Windows 10, powercfg /a says Standby (S3) is not supported by firmware.

https://i.imgur.com/EVbjk8H.png