11 Press and hold the power button for few seconds, to ground the system board.CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening thedisplay.CAUTION: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface,such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface todissipate static electricity, which could harm internal components.12 Remove any installed ExpressCards or Smart Cards from the appropriate slots.Turning off your computer — Windows 10CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off yourcomputer.1 Click or tap .2 Click or tap and then click or tap Shut down.NOTE: Ensure that the computer and all attached devices are turned off. If your computer and attached devices did notautomatically turn off when you shut down your operating system, press and hold the power button for about 6 secondsto turn them off.After working inside your computerAfter you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on yourcomputer.CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteriesdesigned for other Dell computers.1 Replace the battery.2 Replace the base cover.3 Connect any external devices, such as a port replicator or media base, and replace any cards, such as an ExpressCard.4 Connect any telephone or network cables to your computer.CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into thecomputer.5 Connect your computer and all attached devices to their electrical outlets.6 Turn on your computer.Working on your computer 7Проконсультироваться и купить данное оборудование вы можете в компании «АНД-Системс»адрес: 125480, г.Москва, ул.Туристская, д.33/1; site: https://andpro.ru тел: +7 (495) 545-4870 email: info@andpro.ruПри обращении используйте промокод AND-PDF и получите скидку.