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Dell Inspiron 660 Owners Manual - Page 81

Power Supply

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Power Supply WARNING: Before working inside your computer, read the safety information that shipped with your computer and follow the steps in "Before You Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.com/regulatory_compliance. Removing the Power Supply Prerequisites Remove the computer cover. See "Removing the Computer Cover" on page 18. Power Supply 81

Section	Page
Dell Inspiron 660	1
Owner’s Manual	1
Notes, Cautions, and Warnings	2
Contents	3
1	9
Before You Begin	9
Turn Off Your Computer and Connected Devices	9
1 Save and close all open files and exit all open programs.	9
2 Click Start and click Shut Down.	9
3 Disconnect your computer and all attached devices from their electrical outlets.	9
4 Disconnect all telephone cables, network cables, and attached devices from your computer.	9
5 Press and hold the power button, while the computer is unplugged, to ground the system board.	9
Safety Instructions	9
Recommended Tools	10
After Working Inside Your Computer	11
3	13
Technical Overview	13
Inside View of Your Computer	13
System Board Components	14
4	17
Computer Cover	17
Removing the Computer Cover	18
1 Lay the computer on its side with the computer cover facing up.	18
2 Using a screwdriver, remove the screws that secure the computer cover to the chassis.	18
3 Release the computer cover by sliding it away from the front of the computer.	18
4 Lift the cover away from the computer and set it aside in a secure location.	18
Replacing the Computer Cover	19
1 Connect all the cables and fold the cables out of the way.	19
2 Ensure that no tools or extra parts are left inside the computer.	19
3 Align the tabs at the bottom of the computer cover with the slots located along the edge of the chassis.	19
4 Press the computer cover down and slide it towards the front of the computer.	19
5 Replace the screws that secure the computer cover to the chassis.	19
6 Place the computer in an upright position.	19
7 Follow the instructions in \	19
5	21
Memory Module(s)	21
Removing the Memory Module(s)	21
Prerequisites	21
Procedure	21
1 Locate the memory-module connector on the system board. See \	21
2 Press out the securing clip at each end of the memory-module connector.	21
3 Grasp the memory module and pull it upwards. If the memory module is difficult to remove, gently ease the memory module back and forth to remove it from the connector.	21
Replacing the Memory Module(s)	22
Procedure	22
1 Press out the securing clip at each end of the memory module connector.	22
2 Align the notch on the memory module with the tab in the memory module connector.	22
3 Insert the memory module into the memory-module connector until the memory module snaps into position and the securing clip locks in place.	23
Postrequisites	23
1 Replace the computer cover. See \	23
2 Follow the instructions in \	23
3 Connect your computer and devices to electrical outlets, and then turn them on.	23
6	25
Front Bezel	25
Removing the Front Bezel	25
Prerequisites	25
Procedure	26
1 Place the computer in an upright position.	26
2 Grasp and release the front bezel tabs sequentially, one at a time by moving them outward from the front panel.	26
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.	26
4 Set aside the front bezel in a secure location.	26
Replacing the Front Bezel	27
Procedure	27
1 Align and insert the front bezel clamps into the front panel slots.	27
2 Rotate the front bezel towards the computer until the front bezel tabs snap into place.	27
Postrequisites	28
1 Replace the computer cover. See \	28
2 Follow the instructions in \	28
7	29
Card Retention Bracket	29
Removing the Card Retention Bracket	29
Prerequisites	29
Procedure	30
Replacing the Card Retention Bracket	31
Procedure	31
Postrequisites	31
1 Replace the computer cover. See \	31
2 Follow the instructions in \	31
8	33
PCI Express Cards	33
Removing PCI Express Cards	33
Prerequisites.	33
1 Remove the computer cover. See \	33
2 Remove the card retention bracket. See \	33
Procedure	34
1 Disconnect any cables connected to the card, if applicable.	34
2 Remove the PCI Express card from the card slot:	34
3 If you are removing the card permanently, install a filler bracket in the empty card-slot opening.	35
Replacing PCI Express Cards	35
Procedure	35
1 Prepare the card for installation.	35
2 Replace the PCI Express card:	35
Postrequisites	36
1 Replace the card retention bracket. See \	36
2 Connect any cables that should be attached to the card.	36
3 Replace the computer cover. See \	36
4 Follow the instructions in \	36
5 To complete the installation, see \	36
Configuring Your Computer After Removing or Installing the PCI Express Card	37
Installed	37
Removed	37
1 Enter system setup. See \	37
2 Go to Onboard Audio Controller and then change the setting to Disabled.	37
3 Connect the external audio devices to the sound card’s connectors.	37
1 Enter system setup. See \	37
2 Go to Onboard Audio Controller and then change the setting to Enabled.	37
3 Connect the external audio devices to the computer’s back panel connectors.	37
1 Enter system setup. See \	37
2 Go to Onboard LAN Controller and then change the setting to Disabled.	37
3 Connect the network cable to the network card’s connector.	37
1 Enter system setup. See \	37
2 Go to Onboard LAN Controller and then change the setting to Enabled.	37
3 Connect the network cable to the integrated network connector.	37
Mini-Card	39
Removing the Mini-Card	40
Replacing the Mini-Card	41
10	43
Hard Drive(s)	43
Removing the Hard Drive(s)	43
Prerequisites	43
Procedure	44
1 If you are removing the primary hard-drive, disconnect the power and data cables from the primary hard-drive.	44
2 If you are removing the secondary hard-drive:	44
a Disconnect the power cable from the primary and secondary hard-drives.	44
b Disconnect the data cable from the secondary hard-drive.	44
3 Remove the screws that secure the hard-drive assembly to the hard-drive bay.	44
4 Lift the hard-drive assembly away from the computer.	44
5 Remove the screws (one on each side) that secure the hard-drive brackets to the hard-drive.	47
6 Remove the hard-drive brackets off the hard drive.	47
7 If removing the hard drive changes the drive configuration, ensure that you reflect these changes in system setup. See \	47
Replacing the Hard Drive(s)	48
Procedure	48
1 Check the documentation that shipped with the hard drive to verify that it is configured for your computer.	48
2 Place the hard-drive brackets in position and replace the screws (one on each side) that secure the hard-drive brackets to the hard drive.	48
3 Slide the hard-drive assembly into the hard-drive bay.	48
4 Replace the screws that secure the hard-drive assembly to the hard-drive bay.	48
5 If you are replacing the primary hard-drive, connect the power and data cables to the primary hard drive.	48
6 If you are replacing the secondary hard-drive:	48
a Connect the power cable to the primary and secondary hard-drives.	48
b Connect the data cable to the secondary hard-drive.	48
Postrequisites	48
1 Replace the computer cover. See \	48
2 Follow the instructions in \	48
Optical Drive(s)	49
Removing the Optical Drive(s)	49
Replacing the Optical Drives(s)	53
12	57
Front I/O Panel	57
Removing the Front I/O Panel	57
Prerequisites	57
1 Remove the computer cover. See \	57
2 Remove the front bezel. See \	57
Procedure	58
1 Disconnect the front I/O panel cables from the system board connectors (AUDIOF1, USBF1, and USBF2). See \	58
2 Remove the screws that secure the front I/O panel to the front panel.	58
3 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.	58
Replacing the Front I/O Panel	59
Procedure	59
1 Align and slide the front I/O panel clamps into the slots on the front panel.	59
2 Replace the screws that secure the front I/O panel to the front panel.	59
3 Connect the front I/O panel cables to the system board connectors (AUDIOF1, USBF1, and USBF2). See \	59
Postrequisites	59
1 Replace the front bezel see \	59
2 Replace the computer cover. See \	59
3 Follow the instructions in \	59
13	61
Power Button Module	61
Removing the Power Button Module	61
Prerequisites	61
1 Remove the computer cover. See \	61
2 Remove the front bezel. See \	61
Procedure	62
1 Disconnect the power button module cable from the system board connector (LEDH2). See \	62
2 Press the power button module tabs and pull the power button module to release it from the front panel.	62
3 Set aside the power button module in a secure location.	62
Replacing the Power Button Module	63
Procedure	63
1 Align and push the power button module tabs into the slots on the front panel.	63
2 Connect the power button module cable to the system board connector (LEDH2). See \	63
Postrequisites	63
1 Replace the front bezel. See \	63
2 Replace the computer cover. See \	63
3 Follow the instructions in \	63
14	65
Chassis Fan	65
Removing the Chassis Fan	65
Prerequisites	65
Procedure	66
1 Disconnect the chassis fan cable from the system board connector (FANSYS4). See \	66
2 Remove the screws that secure the chassis fan to the chassis.	66
3 Slide and lift the chassis fan away from the computer as shown in the illustration.	66
Replacing the Chassis Fan	67
Procedure	67
1 Align the screw holes on the chassis fan with the screw holes on the chassis.	67
2 Replace the screws that secure the chassis fan to the chassis.	67
3 Connect the chassis fan cable to the system board connector (FANSYS4). See \	67
Postrequisites	67
15	69
Processor Fan and Heat-Sink Assembly	69
Removing the Processor Fan and Heat-Sink Assembly	69
Prerequisites	69
Procedure	70
1 Disconnect the processor fan cable from the system board connector (FANCPU). See \	70
2 Using a flat-blade screwdriver loosen the captive screws that secure the processor fan and heat-sink assembly to the system board.	70
3 Lift the processor fan and heat-sink assembly out of the computer.	70
Replacing the Processor Fan and Heat-Sink Assembly	71
Procedure	71
1 Apply new thermal grease to the top of the processor.	71
2 Place the processor fan and heat-sink assembly over the processor.	71
3 Align the captive screws on the processor fan and heat-sink assembly with the screw holes on the system board.	71
4 Tighten the captive screws that secure the processor fan and heat-sink assembly to the system board.	71
5 Connect the processor fan cable to the system board connector (FANCPU). See \	71
Postrequisites	71
1 Replace the computer cover. See \	71
2 Follow the instructions in \	71
Processor	73
Removing the Processor	73
Replacing the Processor	75
17	77
Coin-Cell Battery	77
Removing the Coin-Cell Battery	77
Prerequisites	77
Procedure	78
1 Locate the battery socket. See \	78
2 Press the battery-release lever away from the battery until the coin-cell battery pops up.	78
3 Set aside the battery in a secure location.	78
Replacing the Coin-Cell Battery	79
Procedure	79
Postrequisites	79
1 Replace the computer cover. See \	79
2 Follow the instructions in \	79
3 Enter the system setup program and set the time and date. See \	79
4 Update the BIOS settings with values you may have noted before removing the coin-cell battery. See \	79
18	81
Power Supply	81
Removing the Power Supply	81
Prerequisites	81
Procedure	82
1 Disconnect the DC power cables from the system board and the drives. See \	82
2 Remove the screws that secure the power supply to the chassis.	82
3 Press the power supply clamp to release the power supply from the chassis.	82
4 Slide and lift the power supply away from the chassis.	82
Replacing the Power Supply	83
Procedure	83
1 Slide the power supply towards the back of the chassis.	83
2 Align the screw holes on the power supply with the screw holes on the chassis.	83
3 Replace the screws that secure the power supply to the chassis.	83
4 Connect the DC power cables to the system board and drives. See \	83
Postrequisites	83
1 Replace the computer cover. See \	83
2 Follow the instructions in \	83
19	85
System Board	85
Removing the System Board	85
Prerequisites	85
1 Remove the computer cover. See \	85
2 Remove the Mini-Card, if applicable. See \	85
3 Remove the any PCI-Express cards, if applicable. See \	85
4 Remove the processor fan and heat-sink assembly. See \	85
5 Remove the processor. See \	85
6 Remove the memory modules. See \	85
Procedure	86
1 Disconnect all cables connected to the system board. See \	86
2 Remove the screws that secure the system board to the chassis.	86
3 Lift the system board up and out of the chassis.	86
4 Compare the system board that you removed with the replacement system board to ensure that they are identical.	87
Replacing the System Board	87
Procedure	87
1 Gently place the system board into the chassis and slide it towards the back of the computer.	87
2 Replace the screws that secure the system board to the chassis.	87
3 Route and connect the cables that you disconnected from the system board.	87
Postrequisites	87
1 Replace the processor. See \	87
2 Replace the processor fan and heat-sink assembly. See \	87
3 Replace the memory module(s). See \	87
4 Replace any PCI-Express cards, if applicable. See \	87
5 Replace the Mini-Card, if applicable. See \	87
6 Replace the computer cover. See \	87
7 Follow the instructions in \	87
Entering the Service Tag in the BIOS	88
1 Turn on the computer.	88
2 Press <F2> during POST to enter the system setup program.	88
3 Navigate to the main tab and enter the Service Tag in the Service Tag Input field.	88
System Setup	91
Overview	91
Entering System Setup	91
Clearing Forgotten Passwords	102
Clearing CMOS Passwords	104
Flashing the BIOS	107