Inspiron 3646 Owner's Manual - Dell

Inspiron 36463000 SeriesOwner's ManualComputer Model: Inspiron 3646Regulatory Model: D10SRegulatory Type: D10S001

Notes, Cautions, and WarningsNOTE: A NOTE indicates important information that helps you make betteruse of your computer.CAUTION: A CAUTION indicates either potential damage to hardware or lossof data and tells you how to avoid the problem.WARNING: A WARNING indicates a potential for property damage, personalinjury, or death.Copyright 2014 Dell Inc. All rights reserved. This product is protected by U.S. andinternational copyright and intellectual property laws. Dell and the Dell logo are trademarksof Dell Inc. in the United States and/or other jurisdictions. All other marks and namesmentioned herein may be trademarks of their respective companies.2014 - 05Rev. A00

ContentsBefore Working Inside Your Computer.7Before You Begin . 7Safety Instructions.7Recommended Tools. 8After Working Inside Your Computer.9Technical Overview.10Inside View Of Your Computer. 10System-Board Components. 11Removing the Computer Cover . 12Procedure. 12Replacing the Computer Cover . 13Procedure. 13Removing the Memory Module. 14Prerequisites. 14Procedure.14Replacing the Memory Module.16Procedure. 17Post-requisites.17Removing the Fan.18Prerequisites.18Procedure.18

Replacing the Fan.20Procedure. 21Post-requisites. 22Removing the Front Bezel .23Prerequisites.23Procedure. 24Replacing the Front Bezel. 26Procedure. 26Post-requisites. 26Removing the Drive Cage .27Prerequisites.27Procedure. 28Replacing the Drive Cage.30Procedure. 30Post-requisites.30Removing the Wireless Card.31Prerequisites. 31Procedure. 31Replacing the Wireless Card.33Procedure.33Post-requisites. 33Removing the Optical Drive. 34Prerequisites.34Procedure. 34

Replacing the Optical Drive.35Procedure.35Post-requisites. 35Removing the Hard Drive. 36Prerequisites.36Procedure.37Replacing the Hard Drive. 38Procedure. 38Post-requisites. 38Removing the Front I/O-Panel. 39Prerequisites.39Procedure. 39Replacing the Front I/O-Panel. 41Procedure.41Post-requisites. 41Removing the Power-Button Module.42Prerequisites.42Procedure. 42Replacing the Power-Button Module.44Procedure. 44Post-requisites.44Removing the Coin-Cell Battery. 45Prerequisites.45Procedure. 46

Replacing the Coin-Cell Battery.47Procedure.47Post-requisites. 47Removing the System Board. 48Prerequisites. 48Procedure. 48Replacing the System Board. 50Procedure. 50Post-requisites.50System Setup.51Overview .51Entering System Setup . 51Clearing Forgotten Passwords. 51Prerequisites.52Procedure.52Post-requisites. 52Clearing CMOS Settings. 53Prerequisites.53Procedure.53Post-requisites. 54Flashing the BIOS. 55Getting Help and Contacting Dell. 56Self-Help Resources. 56Contacting Dell.56

Before Working Inside YourComputerCAUTION: To avoid damaging the components and cards, handlethem by their edges and avoid touching pins and contacts.Before You Begin1Save and close all open files and exit all open applications.2Shut down your computer.– Windows 8/8.1: On the Start screen, click or tap the power iconShut down. – Windows 7: Click or tap Start Shut down .NOTE: If you are using a different operating system, see thedocumentation of your operating system for shut-downinstructions.3Disconnect your computer and all attached devices from their electricaloutlets.4Disconnect all cables such as telephone cables, network cables and soon, from your computer.5Disconnect all attached devices and peripherals, such as keyboard,mouse, monitor, and so on, from your computer.6Remove any media card and optical disc from your computer, ifapplicable.7After the computer is unplugged, press and hold the power button for 5seconds to ground the system board.Safety InstructionsUse the following safety guidelines to protect your computer from potentialdamage and ensure your personal safety.WARNING: Before working inside your computer, read the safetyinformation that shipped with your computer. For more safety bestpractices, see the Regulatory Compliance home page at dell.com/regulatory compliance.7

WARNING: Disconnect all power sources before opening thecomputer cover or panels. After you finish working inside thecomputer, replace all covers, panels, and screws before connecting tothe power source.CAUTION: To avoid damaging the computer, make sure that the worksurface is flat and clean.CAUTION: To avoid damaging the components and cards, handlethem by their edges and avoid touching pins and contacts.CAUTION: Only a certified service technician is authorized to removethe computer cover and access any of the components inside thecomputer. See the safety instructions for complete information aboutsafety precautions, working inside your computer, and protectingagainst electrostatic discharge.CAUTION: Before touching anything inside your computer, groundyourself by touching an unpainted metal surface, such as the metal atthe back of the computer. While you work, periodically touch anunpainted metal surface to dissipate static electricity, which couldharm internal components.CAUTION: When you disconnect a cable, pull on its connector or onits pull-tab, not on the cable itself. Some cables have connectors withlocking tabs or thumb-screws that you must disengage beforedisconnecting the cable. When disconnecting cables, keep themevenly aligned to avoid bending any connector pins. When connectingcables, make sure that the ports and connectors are correctly orientedand aligned.CAUTION: To disconnect a network cable, first unplug the cable fromyour computer and then unplug the cable from the network device.CAUTION: Press and eject any installed card from the media-cardreader.Recommended ToolsThe procedures in this document may require the following tools: Philips screwdriver Plastic scribe8

After Working Inside YourComputerCAUTION: Leaving stray or loose screws inside your computer mayseverely damage your computer.1Replace all screws and make sure that no stray screws remain inside yourcomputer.2Connect any external devices, peripherals, and cables you removedbefore working on your computer.3Replace any media cards, discs, and any other part(s) that you removedbefore working on your computer.4Connect your computer and all attached devices to their electricaloutlets.5Turn on your computer.9

Technical OverviewWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.Inside View Of Your Computer1front bezel2drive cage3optical drive4fan5system board6heat-sink assembly10

System-Board Components1hard-drive data cable connector 2(HDD1)optical-drive data cableconnector (ODD1)3hard-drive and optical-drive4power cable connector (SATAP1)heat-sink assembly5memory-module connector(DIMM1)6CMOS clear jumper (CMCL R2)7front panel USB connector(USBF2)8power button connector(LEDH1)9Password clear jumper (PSWD1)10wireless-card slot11media-card reader cableconnector (USBF1)12coin-cell battery (BT1)13fan-cable connector (FANC1)14front-panel audio connector(AUDIOF1)11

Removing the ComputerCoverWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.Procedure1Place the computer on its side with the computer cover facing up.2Using a screwdriver, remove the screws that secure the computer coverto the chassis.3Release the computer cover by sliding it away from the front of thecomputer.4Lift the cover away from the computer and set it aside in a securelocation.112computer cover2screws (2)

Replacing the Computer CoverWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.Procedure1Connect all the cables and fold the cables out of the way.2Ensure that no tools or extra parts are left inside the computer.3Align the tabs at the bottom of the computer cover with the slots locatedalong the edge of the chassis.4Press the computer cover down and slide it towards the front of thecomputer.5Replace the screws that secure the computer cover to the chassis.6Place the computer in an upright position.13

Removing the Memory ModuleWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.PrerequisitesRemove the computer cover.Procedure1Locate the memory-module slot (DIMM) on the system board.For more information on the location of the memory-module slot see,“System-Board Components”.214Use your fingertips to spread apart the securing clips on each end of thememory module slot until the memory module pops up.

3Remove the memory module from the memory-module slot.1memory-module slot3securing clips (2)2memory module15

Replacing the Memory ModuleWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.16

Procedure1Align the notch on the memory module with the tab on the memorymodule slot.2Insert the memory module into the memory-module slot, and press thememory module down until it clicks into place.NOTE: If you do not hear the click, remove the memory moduleand reinstall it.1memory module2memory module slot3notch4tabPost-requisitesReplace the computer cover.17

Removing the FanWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.PrerequisitesRemove the computer cover.Procedure1Disconnect the fan cable from the system-board connector (FANC1).For more information on the location of the fan cable connector, see“System-Board Components”.2Note the location of the fan on the heat sink assembly.3Disconnect the power and data cables from the connectors on theoptical drive.18

4Remove the screws that secure the fan to heat-sink assembly on thesystem board.1screws (4)2fan3fan cable4optical-drive data cable5optical-drive power cable19

Replacing the FanWARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps inBefore Working Inside Your Computer. After working inside yourcomputer, follow the instructions in After Working Inside YourComputer. For more safety best practices, see the RegulatoryCompliance home page at dell.com/regulatory compliance.20