It didn't seem like the particular refurbisher I bought this from, PrimeTimeBuys, did much refurbishing.  Maybe what they actually sell is more like a used laptop with a 90-day guarantee. When I ordered the laptop, the first one I got had a touchpad that didn't work.  The pointer didn't move well.  If somebody's refurbishing a laptop, they would notice if the touchpad doesn't work!I tried various drivers and it still didn't work.  So I told the seller.They scheduled a pickup and mailed me a replacement laptop.  I ran all sorts of diagnostics on the replacement laptop - the built-in pre-boot diagnostics, and Dell has a free diagnostic program called SupportAssist.  That gave one error message that I managed to fix after some back and forth with the Dell technical support, by downloading some software.  And the diagnostics said the battery was near the end of its useful life.  Again, you'd think a refurbisher would run diagnostics on the laptop and find these problems!  The seller sent me a replacement battery.  So now, everything seems fine.  It's a nice laptop, if everything that needs to be fixed, IS fixed.