单项选择题
A.liquid on the floor B.a tiled floor C.a concrete floor D.carpet
A.Replace the toner cartridge. B.Recommend the use of smaller graphics. C.Check the amount of memory installed. D.Recommend connecting fewer users to the printer.
A.Add another hard drive and use that available space. B.Run FDISK. C.Use the Disk Management tool. D.Back up all important data to an external drive then reformat the hard drive.