Dell Latitude 3300 User Manual

Also see for Vostro 3300: Setup and specifications guide Service manual Setup and features information Notice Service manual

4 Trennen Sie alle Netzwerkkabel vom Computer (falls verfügbar).VORSICHT: Wenn der Computer einen RJ45-Anschluss hat, trennen Sie das Netzwerkkabel, indem Sie zuerst das Kabelvom Computer abziehen.5 Trennen Sie Ihren Computer sowie alle daran angeschlossenen Geräte vom Stromnetz.6 Öffnen Sie den Bildschirm.7 Halten Sie den Betriebsschalter für einige Sekunden gedrückt, um die Systemplatine zu erden.VORSICHT: Um elektrische Schläge zu vermeiden, trennen Sie den Computer von der Steckdose, bevor Sie mit Schritt8 beginnen.VORSICHT: Um elektrostatische Entladungen zu vermeiden, erden Sie sich mit einem Erdungsarmband oder durchregelmäßiges Berühren einer nicht lackierten metallenen Oberfläche, während Sie einen Anschluss auf der Rückseitedes Computers berühren.8 Entfernen Sie alle installierten ExpressCards oder Smart-Karten aus den entsprechenden Steckplätzen.Safety PrecautionsFollow the safety precautions described in the following sections when you perform an installation or a disassembly/reassembly procedure:• Turn off the system and all attached peripherals.• Disconnect the system and all attached peripherals from AC power, and then remove the battery.• Disconnect all network cables, telephone or telecommunications lines from the system.• Use a wrist grounding strap and mat when working inside any computer system to avoid electrostatic discharge (ESD) damage.• After removing a system component, carefully place the removed component on an anti-static mat.• Wear shoes with non-conductive rubber soles to help reduce the risk of being shocked or seriously injured in an electrical accident.Standby PowerDell products with standby power must be completely unplugged before the case is opened. Systems that incorporate standby power areessentially powered while turned off. The internal power enables the system to be remotely turned on (wake on LAN), suspended into asleep mode, and have other advanced power management features.After you unplug a system and before you remove components, wait approximately 30 to 45 seconds to allow the charge to drain from thecircuits.BondingBonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done through the use of aField Service ESD kit. When connecting a bonding wire, always ensure that it is connected to bare metal and never to a painted or non-metal surface. The wrist strap should be secure and in full contact with your skin, and be sure to always remove all jewelry such as watches,bracelets, or rings prior to bonding yourself and the equipment.Ausbau und Wiedereinbau 53