refresh issues

I upgraded long ago to Windows 10 under the free offer. Right now the entire surface feels "slow", battery life seems terrible. My thought was to just do a "refresh" and start over. However the recovery partition is still windows 8 right (that is what it care with). So if I do this, must I...

All, Last year I purchased a Surface Pro 2 from a friend of mine. Everything was working great until earlier this year. I woke up one morning and I wasn't able to access Windows. When I boot up, I was sent to the UEFI screen. I couldn't get pass it. I researched this problem online as well as...