How to make my iPhone 5 detectable/recognized by my laptop?

Ok i got an iphone5 with ios8. When i try to connect it to my laptop it doesn't show up at all. I look in iTunes window for devices and nothing. I look in device manager and nothing. So i borrow my brothers iPhone when i did it with his it showed up perfectly. We have exact kind of iphones. My charge/sync port charges but i cat seem to sync it. The cord words for charging ad syncing on my brothers phone for both uses but just charging on mine. I'm lost at what to do. Ps i have a widows 7 hp laptop.

How to save photo to gallery without downloading app on Note 5?

I recently got a Samsung Note 5 and still do not know the functions quite well. I'm trying to save a photo to my gallery without screensshotting it. Like for the iPhone you just have to hold down on the photo and save it. How do you do that on a Note 5? People have suggested downloading apps but I find that tedious and unnecessary. He can I do it without one?

IPhone lock button is broken, screen won't turn on and I'm unable to restore through ITunes?

Please somebody help.
My lock button broke a few weeks ago, so I've been using assistant touch. Just a few minutes ago my home button stopped working, so naturally I locked my phone assuming it was frozen trying to unfreeze it, now my phone screen is black and will not light up, even when I call it or receive texts. I googled how to fix this and people said to restore my phone through itunes on my computer, HOWEVER, the laptop that my IPhone is synced to is broken so I had to plug the USB into my family computer, and a message keeps popping up on ITunes saying I need "To allow access please respond on your iphone" BUT I CAN't DO THAT BECAUSE ITS BROKEN

Can't access internet on my iphone 5c?

I have an iphone 5c and recently i havnt been able to get on the internet. It says i have 5 bars (or whatever the maximum is) but when i go on the internet it says my ethernet cable is not properly plugged in, but i checked and it is. The only way i'm on the internet right now is because i'm using my cellular