6-4131. Wipe the server with a dry cloth.132. Wipe off dust from the fan exhaust opening on the rear of the server with a dry cloth.Cleaning the Keyboard and MouseIMPORTANT: A keyboard and a mouse use USB interface. You do not need to power offthe server when connecting or disconnecting them.Disconnect the keyboard from the server while the devices in the system (the server and theperipheral devices) remain turned on. Wipe the keyboard surface with a dry cloth. Then connect thekeyboard to the server.The mouse operation depends on the degree of smoothness of the internal ball rotation. To keep themouse ball clean, use the mouse in a place with little dust. Follow the steps below to clean themouse regularly:133. Disconnect the mouse from the USB hub of the keyboard while the server remainspowered on.134. Turn the mouse upside down, and rotate themouse ball cover counterclockwise to remove it.Take out the ball from the mouse.135. Wipe the mouse ball with a dry soft cloth.If stains remain, use a soft cloth to wipe them off.Soak the soft cloth in neutral detergent that isdiluted with water or warm water, and squeeze itfirmly,136. Wipe three small rollers inside the mouse withcotton swab.Use the cotton swab soaked with alcohol if stainsremain.137. Put the mouse ball back into the mouse.If the mouse or rollers are wet in steps 3 and 4, putit back after fully dried.138. Place the mouse ball cover, and rotate it clockwiseuntil it is locked.139. Connect the mouse to the server (to the USB hubof the keyboard).BottomMouseMouse coverMouse ballRollers