Since I received the refurbished HP laptop, I may have logged 5 -6 hours, max, on this barely usable laptop. The few hours includes almost two hours with an extremely competent and indefatigable man in  South American who helped fix the bugs. Unfortunately, when I opened it for the first time in a month or so, a message appeared on the screen advising me to take my computer in for repairs. I am very disappointed, and I will not rely on Amazon partners who sell inferior products.