@Ddo018811 Changing Deco Operating Mode to Access Point may help. This is where you can do it in Deco app:

@Friet A) Do you have Deco S4 connected by Ethernet cable to telecom router? If you do, do you see it in router web page, in the list of connected clients? B) Is it possible you are still connected...

@Aafneto Yes, you can. See General questions about Ethernet Backhaul feature on your Deco

@CBGerard Network card not properly waking up after Sleep/Hibernate is relatively common issue. You may wish to check support forums for your laptop and for its network adapter specifically. Googling...

@CBGerard Check this conversation I recently had with someone else, see if what I recommended will help: https://community.tp-link.com/en/home/forum/topic/274608?replyId=634920

@Roy-B If you can put Ethernet cable through your place, these all options you could try and see which brings best speed/convenience mix. 1. Connect Office Deco to Main Deco by Ethernet cable, as you...