router problem wired keeps dropping wireless works

[grandmasterbo...]

please someone help me here we have a virgin superhub that was running okay then my dad decided to bridge another router to it because the new one had a printer connection with it after he bridged them all that works now is the wireless the wired connections work for a few minutes then drop it dosent matter to my computer but its useless for useing the xbox now i asked him what he did an he said he had to disable UPNP and DNS i dont know networks atall so what to i have to do to sort it.

also after he done that the router in my room wont recive the internet either the wireless works with it but not one of the 3 routers have a wired connection that works.
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suzuki CS50 roadie (exploded) Gilerea Runner VX 125 (sold)
CBR125 rw6 (crapped itself and died) YBR 125 2004 (its okay)

[P.addy]

The superhub is notoriously shite.

Using that as the first actual internet connection is bad enough but asking it to send info elsewhere is insane.

Genuinely the superhub is just a wired router, wouldn't consider using its wireless settings at all.