Inspiron 3646 3000 Series Owner's Manual Computer Model: Inspiron 3646 Regulatory Model: D10S Regulatory Type: D10S001
Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws.
Contents Before Working Inside Your Computer.....................................7 Before You Begin .............................................................................................. 7 Safety Instructions..............................................................................................7 Recommended Tools........................................................................................ 8 After Working Inside Your Computer........................................
Replacing the Fan.........................................................................20 Procedure......................................................................................................... 21 Post-requisites................................................................................................. 22 Removing the Front Bezel .........................................................23 Prerequisites......................................................................................
Replacing the Optical Drive.......................................................35 Procedure.........................................................................................................35 Post-requisites................................................................................................. 35 Removing the Hard Drive........................................................... 36 Prerequisites..............................................................................................
Replacing the Coin-Cell Battery...............................................47 Procedure.........................................................................................................47 Post-requisites................................................................................................. 47 Removing the System Board..................................................... 48 Prerequisites....................................................................................................
Before Working Inside Your Computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. Before You Begin 1 Save and close all open files and exit all open applications. 2 Shut down your computer. – Windows 8/8.1: On the Start screen, click or tap the power icon Shut down. → – Windows 7: Click or tap Start → Shut down .
WARNING: Disconnect all power sources before opening the computer cover or panels. After you finish working inside the computer, replace all covers, panels, and screws before connecting to the power source. CAUTION: To avoid damaging the computer, make sure that the work surface is flat and clean. CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts.
After Working Inside Your Computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. 1 Replace all screws and make sure that no stray screws remain inside your computer. 2 Connect any external devices, peripherals, and cables you removed before working on your computer. 3 Replace any media cards, discs, and any other part(s) that you removed before working on your computer. 4 Connect your computer and all attached devices to their electrical outlets.
Technical Overview WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.
System-Board Components 1 hard-drive data cable connector 2 (HDD1) optical-drive data cable connector (ODD1) 3 hard-drive and optical-drive 4 power cable connector (SATAP1) heat-sink assembly 5 memory-module connector (DIMM1) 6 CMOS clear jumper (CMCL R2) 7 front panel USB connector (USBF2) 8 power button connector (LEDH1) 9 Password clear jumper (PSWD1) 10 wireless-card slot 11 media-card reader cable connector (USBF1) 12 coin-cell battery (BT1) 13 fan-cable connector (FANC1) 14 f
Removing the Computer Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Place the computer on its side with the computer cover facing up.
Replacing the Computer Cover WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Connect all the cables and fold the cables out of the way.
Removing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the computer cover.
3 Remove the memory module from the memory-module slot.
Replacing the Memory Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure 1 Align the notch on the memory module with the tab on the memorymodule slot. 2 Insert the memory module into the memory-module slot, and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. 1 memory module 2 memory module slot 3 notch 4 tab Post-requisites Replace the computer cover.
Removing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the computer cover. Procedure 1 Disconnect the fan cable from the system-board connector (FANC1).
4 Remove the screws that secure the fan to heat-sink assembly on the system board.
Replacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Procedure CAUTION: Incorrect alignment of the fan and heat-sink assembly can damage the system board and processor. 1 Place the fan on the heat-sink assembly as shown in the figure. 2 Align the screw holes on the fan with the slots on the heat-sink assembly. 1 screws (4) 2 fan 3 fan cable 4 optical-drive data cable 5 optical-drive power cable 3 Replace the screws that secure the fan to the heat-sink assembly on the system board.
Post-requisites Replace the computer cover.
Removing the Front Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the computer cover.
Procedure 1 Place the computer in an upright position. 2 Grasp and release the front bezel tabs sequentially from the top, by moving them outward from the front panel.
3 Rotate and pull the front bezel away from the front of the computer to release the front bezel clamps from the front panel slots.
Replacing the Front Bezel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Align and insert the front bezel clamps into the front panel slots.
Removing the Drive Cage WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover. 2 Remove the front bezel.
Procedure 1 Remove the screws that secure the drive cage to the chassis. 1 drive cage 3 screws (3) 2 chassis 2 Lift the drive cage to release it from the chassis. 3 Disconnect the power and data cables from the connectors on the optical drive.
4 Disconnect the power and data cables from the connectors on the hard drive. 1 drive cage 2 optical-drive power cable 3 optical-drive data cable 4 hard-drive power cable 5 hard-drive data cable 5 Lift the drive cage away from the chassis. 6 Remove the optical drive. 7 Remove the hard drive.
Replacing the Drive Cage WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Replace the optical drive. 2 Replace the hard drive.
Removing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover. 2 Remove the front bezel.
3 4 32 Remove the screw that secures the wireless mini-card to the system board. 1 antenna cables (2) 2 screw 3 mini-card connector 4 wireless mini-card Slide and remove the wireless mini-card out of the mini-card connector.
Replacing the Wireless Card WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure CAUTION: To avoid damage to the wireless mini-card, do not place any cables under it.
Removing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover. 2 Remove the front bezel.
Replacing the Optical Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Slide the optical drive into the drive cage.
Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Procedure 1 Remove the screws that secure the hard-drive brackets to the hard-drive. 2 Push and slide the hard-drive off the hard-drive brackets.
Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive.
Removing the Front I/O-Panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover. 2 Remove the front bezel.
3 40 Slide the front I/O panel towards the side as shown in the illustration to release the clamps from the front panel and pull it away.
Replacing the Front I/O-Panel WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Insert the front I/O panel clamps into the slots on the front panel.
Removing the Power-Button Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover. 2 Remove the front bezel.
4 Slide the power-button module along with its cable through the slot on the front panel.
Replacing the Power-Button Module WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure 1 Align and push the power-button module tabs into the slots on the front panel.
Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS settings to default.
Procedure 1 Locate the battery socket (BT1). For more information on the location of the battery socket, see “SystemBoard Components”. 2 Press the battery-release lever away from the coin-cell battery until the coin-cell battery pops up. 1 3 46 coin-cell battery Lift the coin-cell battery out of its socket.
Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance.
Removing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
4 Lift the system board out of the chassis.
Replacing the System Board WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board.
System Setup Overview CAUTION: Unless you are an expert computer user, do not change the settings in the system setup program. Certain changes can make your computer work incorrectly. NOTE: Before you change system setup, it is recommended that you write down the system setup screen information for future reference.
Prerequisites 1 Remove the computer cover. 2 Follow the procedure from step 1 to step 5 in “Removing the drive cage”. Procedure 1 Locate the password jumper (PSWD1) on the system board. For more information on the location of password jumper, see “SystemBoard Components”. 2 Remove the password jumper plug. 1 jumper plug 3 password jumper (PSWD1) 2 CMOS jumper (CMCL R2) 3 Follow the procedure from step 3 to step 6 in “Replacing the drive cage”. 4 Replace the computer cover.
Clearing CMOS Settings WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in Before Working Inside Your Computer. After working inside your computer, follow the instructions in After Working Inside Your Computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites 1 Remove the computer cover.
6 Press the F1 key to continue and wait till the operating system is completely loaded. 7 Move your mouse pointer to the upper-right or lower-right corner of the screen to open the charms sidebar, and then click or tap Settings → Power → Shut down. 8 Remove the computer cover. 9 Follow the procedure from step 1 to step 5 in “Removing the drive cage”. 10 Remove the jumper plug from the CMOS jumper and replace it on the password jumper.
Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: 1 Turn on the computer. 2 Go to dell.com/support. 3 If you have your computer's Service Tag, type your computer's Service Tag and click Submit. If you do not have your computer's Service Tag, click Detect My Product to allow automatic detection of the Service Tag.
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NOTE: If you do not have an active internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog.
