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Dell G3 3579 G3 15 Service Manual - Page 61

Disconnect the speaker cable., Open the latch and disconnect the keyboard cable.

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3 Disconnect the graphics-card fan cable. 4 Open the latch and disconnect the display-assembly cable. 5 Open the latch and disconnect the hard-drive cable. 6 Open the latch and disconnect the I/O-board cable. 7 Open the latch and disconnect the fingerprint-reader cable. 8 Open the latch and disconnect the touchpad cable. 9 Open the latch and disconnect the keyboard back-light cable. 10 Open the latch and disconnect the keyboard cable. 11 Disconnect the speaker cable. 12 Disconnect the power-adapter port cable. 13 Remove the three screws (M2.5x2.5) that secure the system board to palm rest and keyboard assembly. 14 Lift the system board off the palm rest and keyboard assembly. Removing the system board 61

Section	Page
Dell G3 15 Service Manual	3
Before working inside your computer	9
Before you begin	9
Safety instructions	9
Recommended tools	9
Screw list	10
After working inside your computer	12
Removing the base cover	13
Procedure	13
Replacing the base cover	16
Procedure	16
Removing the battery	19
Prerequisites	19
Procedure	19
Replacing the battery	20
Procedure	20
Post-requisites	20
Removing the memory modules	21
Prerequisites	21
Procedure	21
Replacing the memory modules	22
Procedure	22
Post-requisites	22
Removing the wireless card	23
Prerequisites	23
Procedure	23
Replacing the wireless card	25
Procedure	25
Post-requisites	25
Removing the coin-cell battery	26
Prerequisites	26
Procedure	26
Replacing the coin-cell battery	27
Procedure	27
Post-requisites	27
Removing the fan	28
Prerequisites	28
Procedure	28
Replacing the fan	30
Procedure	30
Post-requisites	31
Removing the processor fan	32
Prerequisites	32
Procedure	32
Replacing the processor fan	33
Procedure	33
Post-requisites	33
Removing the solid-state drive/Intel Optane	34
Prerequisites	34
Procedure	34
Replacing the solid-state drive/Intel Optane	35
Procedure	35
Post-requisites	35
Removing the hard drive	36
Prerequisites	36
Procedure	36
Replacing the hard drive	38
Procedure	38
Post-requisites	39
Removing the touchpad	40
Prerequisites	40
Procedure	40
Replacing the touchpad	41
Procedure	41
Post-requisites	41
Removing the power-adapter port	42
Prerequisites	42
Procedure	42
Replacing the power-adapter port	43
Procedure	43
Post-requisites	43
Removing the speakers	44
Prerequisites	44
Procedure	44
Replacing the speakers	45
Procedure	45
Post-requisites	45
Removing the heat sink	46
Prerequisites	46
Procedure	46
Replacing the heat sink	47
Procedure	47
Post-requisites	47
Removing the display assembly	48
Prerequisites	48
Procedure	48
Replacing the display assembly	51
Procedure	51
Post-requisites	53
Removing the I/O board	54
Prerequisites	54
Procedure	54
Replacing the I/O board	55
Procedure	55
Post-requisites	55
Removing the power-button board	56
Prerequisites	56
Procedure	56
Replacing the power-button board	58
Procedure	58
Post-requisites	59
Removing the system board	60
Prerequisites	60
Procedure	60
Replacing the system board	63
Procedure	63
Post-requisites	64
Entering the Service Tag in the BIOS setup program	65
Removing the power button with fingerprint reader	66
Prerequisites	66
Procedure	66
Replacing the power button with fingerprint reader	68
Procedure	68
Post-requisites	68
Removing the palm-rest and keyboard assembly	70
Prerequisites	70
Procedure	70
Replacing the palm-rest and keyboard assembly	72
Procedure	72
Post-requisites	72
Removing the display bezel	73
Prerequisites	73
Procedure	73
Replacing the display bezel	74
Procedure	74
Post-requisites	74
Removing the camera	75
Prerequisites	75
Procedure	75
Replacing the camera	76
Procedure	76
Post-requisites	76
Removing the display panel	77
Prerequisites	77
Procedure	77
Replacing the display panel	79
Procedure	79
Post-requisites	80
Removing the display hinges	81
Prerequisites	81
Procedure	81
Replacing the display hinges	82
Procedure	82
Post-requisites	82
Removing the display cable	83
Prerequisites	83
Procedure	83
Replacing the display cable	84
Procedure	84
Post-requisites	84
Removing the display back-cover and antenna assembly	85
Prerequisites	85
Procedure	85
Replacing the display back-cover and antenna assembly	86
Procedure	86
Post-requisites	86
Downloading drivers	87
Downloading the audio driver	87
Downloading the graphics driver	87
Downloading the USB 3.0 driver	87
Downloading the Wi-Fi driver	88
Downloading the media-card reader driver	88
Downloading the chipset driver	88
Downloading the network driver	88
System setup	90
Boot Sequence	90
Navigation keys	90
BIOS overview	91
Entering BIOS setup program	91
Enabling or disabling the USB in BIOS setup program	91
Identifying the hard drive in BIOS setup program	91
Checking the system memory in BIOS setup program	91
System setup options	91
System and setup password	97
Assigning a system password and setup password	97
Deleting or changing an existing system setup password	97
Clearing CMOS settings	98
Clearing forgotten passwords	98
Troubleshooting	99
Flashing the BIOS	99
Flashing BIOS (USB key)	99
Intel Optane memory (Optional)	99
Enabling Intel Optane memory	99
Disabling Intel Optane memory	100
Reinstall Windows using a USB recovery drive	100
Enhanced Pre-Boot System Assessment (ePSA) diagnostics	100
Running the ePSA diagnostics	101
System diagnostic lights	101
Wi-Fi power cycle	102
Flea power release	102
Getting help and contacting Dell	104
Self-help resources	104