Rashford, 24, was incapable to make an impact at the Wanda Metropolitano on Wednesday night and was pulled back for adolescent Anthony Elanga within the 75th miniature by Ralf Rangnick.
The Swede went on to score the all-vital leveller to take off the last-16 clash wide open heading into the moment leg at Old Trafford another month.
Rashford has fizzled to evade repressed exhibitions for most of the season, with the England international scoring five objectives in all competitions, and Scholes has encouraged the United star to go back to basics.
'He looks as well on edge for me, he looks like he is attempting nearly as well difficult,' Scholes said on BT Don. 'Each time the ball comes to him it nearly feels like he is attempting to do something mysterious. It is likely the most exceedingly bad thing you'll do.
'I continuously keep in mind when going through a intense time the chief [Sir Alex Ferguson] said keep it basic. Fair work your way back into the diversion. He doesn’t appear to be able to do that. He is continuously considering he has got to deliver something.
'He has fair got to calm himself down, work himself into the amusement and the shape will come back.'
Rio Ferdinand recommended that centering on his off-the-ball work may offer assistance rouse Rashford at the other conclusion of the pitch.
'Now and then in the event that it isn't working with the ball, really without the ball I’m reaching to make an affect within the amusement and make it troublesome for my rival,' he said. 'In some cases you fair require telling that, all of a sudden the common things will come back in since the certainty builds from another aspect of his diversion.'
Scholes moreover called on Rashford's senior group-mates to supply the authority essential to assist the Englishman through this dubious period.
'In the event that he has players another to him, we have said for a long time there's a need of administration in that group, Harry Maguire doesn’t truly do it, these youthful players require telling all the time until they're blue within the confront and they really start doing it.
'I keep in mind coming into the group with Steve Bruce, Gary Pallister, Roy Keane, they are onto you each time until you are doing it without being told. Keep in mind us playing with Nani, we shouted at him and inevitably he was brilliant defensively.'
United intervals boss Rangnick conceded that he was 'exceptionally baffled' in United's to begin with half execution, and requested his players see to the case set by Elanga to assist rediscover their bliss for the amusement.
Rangnick said of Elanga: 'He is playing as in case for him a dream has come genuine, it is fair bliss and fun to observe him play and I wish a couple of other players would take him as an case, nearly part demonstrate I would say.
'Not since he is doing everything right but he is fair getting a charge out of himself on the pitch. Football is an vital don but it is still a ball amusement and you have got to appreciate yourself on the pitch and usually what I would wish us to do within the future when we play them once more in one or two of weeks.'