The sale seems to have serious quality control issue. The computer fits my needs so I ordered one. Delivery was fast, and the unit seemed to be in good physical condition. However it won't even start - the power button flashes and beeps when I try to turn it on (by checking the manual, these signals indicate a serious hardware issue). I thought it was my bad luck to get a defective one and wanted to give it another chance so I requested a replacement. The 2nd unit arrived today and unfortunately it has exactly the same issue as the first one. Two defectives in a row makes me think that these might not be actually "refurbished". Probably just some random machines retired from offices. They are going back. Wait for my refund and be done with it.