LCD just blinks

Dude, what is your problem? I would assume that English is not his native language, and in other languages it is spelled ups.

My name is 'Don', not 'dude'.

I also assumed that English was not his native language which is why I told him how the expression should be spelled when posted on an English language forum. Some people appreciate learning new things and not everyone considers a correction to also be a criticism.

Don