please help me there is something wrong with my computer

Try this: on your desktop, do right click then chose "screen resolution".It will then come up with a window. on there u will see somthing that says "resolution:" Далее to that will be a bar that has a number X another number click the bar and the click the thing and ddrag it up to the highes it can go. then click ok. i hope this works for u because the same thing happend to me not long ago.

i wish i could be of help but i have to use my phone to go on the internet bcuz internet is down where i live except for our (mine and my familys) phones

I'm confused. Ты mean the Internet или your screen desktop? Anyway, if it's the Internet press ctrl and -