I'm having issues with my Surface and multiple type covers. Laggy and takes 2-3 seconds for a keystroke to show up...and the mouse pad is laggy to the point of uselessness. An on-line MS Tech asked me to clean the contacts...so I did. No resolution. The next step, reset without affecting files. I let them know that I'd spend a dozen hours downloading, and another dozen hours getting 'er set up...so I'd like to try a different solution. Nope...this is the next step. You won't lose your files. WRONG!! So much for not affecting files...the list of things removed contained over 25 apps/software. Of course the reset didn't work. So now I'm brining 'er back to factory. I'm not happy.