set up to download pictures to computer

[Senior citizen M]

I know I need to set up the phone so the android will appear when I pull down the top of my Samsung GALAXY S II phone, but cannot figure out what to turn on. I have transfered pictures previously when someone knowledgable set up the phone so I could turn on the android and connect the connector between the phone and my computer so the pictures would transfer.

 

[Rukbat]

Whether the picture transfer popup appears when you plug in the phone depends, mainly, on how the computer is set up.

But if you're saying what I think you're saying (don't we seniors seem to say that a lot?), there should be a "USB" thing in the pulldown and you need to set it to enable the USB transfer or connect as a media device (MTP), depending on your version of Android.