User manual DELL 4700

[. . . ] DellTM DimensionTM 4700 Series Service Tag floppy drive light* CD or DVD eject button power light floppy drive eject button* CD or DVD drive activity light power button hard-drive activity light USB 2. 0 connectors (2) *On computers with a floppy drive. power connector headphones parallel connector voltage selection switch serial connector integrated VGA video connector keyboard connector center/LFE connector line-out connector microphone connector USB 2. 0 connectors (6) VGA video connector* TV-OUT connector* optional sound card connector* *Not present on all computers. PCI card (2), PCI Express x1 card (1), PCI Express x16 card (1) slots DVI video connector* diagnostic lights (4) mouse connector surround connector line-in connector network adapter connector cover latch w w w. c o m Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. [. . . ] If your computer and attached devices did not automatically turn off when you shut down your operating system, press and hold the power button for 4 seconds. Removing and Installing Parts 47 www. dell. com | support. dell. com Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help ensure your own personal safety. CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide. NOTICE: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is not covered by your warranty. NOTICE: When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before you disconnect the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned. NOTICE: To avoid damaging the computer, perform the following steps before you begin working inside the computer. 1 Turn off your computer (see page 47). NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 2 3 Disconnect any telephone or telecommunication lines from the computer. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 4 Open the computer cover (see page 54). NOTICE: 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 to dissipate any static electricity that could harm internal components. 48 Removing and Installing Parts Front and Back View of the Computer Front View 10 1 2 9* 3* 8 4 7 6 5 *On computers with an optional floppy drive. Removing and Installing Parts 49 www. dell. com | support. dell. com 1 2 3 4 5 6 CD or DVD driveactivity light CD or DVD drive eject button The drive activity light is on when the computer reads data from the CD or DVD drive. Press to eject a disc from the CD or DVD drive. floppy-drive eject button Press to eject a floppy disk from the floppy drive. (On computers with an optional floppy drive. ) hard-drive activity light headphone connector USB 2. 0 connectors (2) The light is on when the computer reads data from or writes data to the hard drive. The light might also be on when a device such as your CD player is operating. Use the headphone connector to attach headphones and most kinds of speakers. Use the front USB connectors for devices that you connect occasionally, such as joysticks or cameras, or for bootable USB devices (see "System Setup" on page 95 for more information on booting to a USB device). It is recommended that you use the back USB connectors for devices that typically remain connected, such as printers and keyboards. 7 power button Press to turn on the computer. NOTICE: To avoid losing data, do not use the power button to turn off the computer. Instead, perform an operating system shutdown. 8 power light The power light illuminates and blinks or remains solid to indicate different states: · No light -- The computer is turned off. · Blinking or solid amber -- See "Power Problems" on page 30. [. . . ] This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the manufacturer's instruction manual, may cause harmful interference with radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case you will be required to correct the interference at your own expense. Class B This equipment has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the manufacturer's instruction manual, may cause interference with radio communications. [. . . ]