What it basically do is, it actually refreshes ur computer start up.
For example: you just starded up a computer then u see it not completely refreshed and the icons dont apear very well, what you will do is Right click and press resfresh to Make these icons apear.
But im telling you it really does not do anything to the performance, just simply refresh icons and programms.
Shut down the computer
It is F5 on the top of your computer keyboard.
so you can retrieve newer information
To help upload pages that have become frozen or inactive.
you could try pressing " Alt" it worked with my computer!
How to refresh a page on my fire tablet
on your tool bar (most of the time) It is also above the 6 and the 7
hit the refresh button
try refreshing the page a couple times or refresh your computer.
You need to have 1000+ comments and the "Refresh" button will appear.
Refresh all button
the refresh bottom is (alt+r)