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Dell XPS 15 7590 XPS 15 Service Manual - Page 46

Replacing the system-board assembly, Procedure, Post-requisites

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26 Replacing the system-board assembly NOTE: 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 www.dell.com/regulatory_compliance. NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. Procedure CAUTION: Do not hold the system board on the area of heat transfer and circuitry. 1. Align the screw holes on the system-board assembly with the screw holes on the palm-rest assembly. 2. Replace the four screws (M2x4) that secure the system-board assembly to the palm-rest assembly. 3. Adhere the tape and then connect the touch-screen cable to the system-board assembly if applicable. 4. Adhere the tape that secures the touch-screen cable to the system-board assembly if applicable. 5. Slide the fingerprint reader cable (optional) into the connector on the system-board assembly and close the latch to secure the cable. 6. Adhere the tape that secures the fingerprint reader cable (optional). 7. Slide the keyboard-control board cable and touchpad cable into their connectors on the system-board assembly and then close the latches to secure the cable. 8. Connect the power-adapter port cable and speaker cable to the system-board assembly. Post-requisites 1. Replace the memory modules. 2. Replace the heat sink. 3. Replace the fans. 4. Replace the solid-state drive (half-length) or the solid-state drive (full-length). 5. Follow the procedure from step 3 to step 6 in "Replacing the hard drive". 6. Replace the wireless card. 7. Replace the battery (half-length) or the battery (full-length). 8. Replace the base cover. 46 Replacing the system-board assembly

Section	Page
XPS 15 Service Manual	3
Before working inside your computer	8
Before you begin	8
Safety instructions	8
Recommended tools	8
Screw list	9
Major components of XPS 15 7590	10
After working inside your computer	12
Removing the base cover	13
Procedure	13
Replacing the base cover	15
Procedure	15
Removing the battery (half-length)	16
Lithium-ion battery precautions	16
Prerequisites	16
Procedure	16
Replacing the battery (half-length)	18
Lithium-ion battery precautions	18
Procedure	18
Post-requisites	18
Removing the battery (full-length)	19
Lithium-ion battery precautions	19
Prerequisites	19
Procedure	19
Replacing the battery (full-length)	21
Lithium-ion battery precautions	21
Procedure	21
Post-requisites	21
Removing the memory modules	22
Prerequisites	22
Procedure	22
Replacing the memory modules	23
Procedure	23
Post-requisites	23
Removing the hard drive	24
Prerequisites	24
Procedure	24
Replacing the hard drive	27
Procedure	27
Post-requisites	27
Removing the solid-state drive (half-length)	28
Prerequisites	28
Procedure	28
Replacing the solid-state drive (half-length)	30
Procedure	30
Post-requisites	30
Removing the solid-state drive (full-length)	31
Prerequisites	31
Procedure	31
Replacing the solid-state drive (full-length)	33
Procedure	33
Post-requisites	33
Removing the speakers	34
Prerequisites	34
Procedure	34
Replacing the speakers	35
Procedure	35
Post-requisites	35
Removing the wireless card	36
Prerequisites	36
Procedure	36
Replacing the wireless card	37
Procedure	37
Post-requisites	38
Removing the fans	39
Prerequisites	39
Procedure	39
Replacing the fans	41
Procedure	41
Post-requisites	41
Removing the heat sink	42
Prerequisites	42
Procedure	42
Replacing the heat sink	43
Procedure	43
Post-requisites	43
Removing the system-board assembly	44
Prerequisites	44
Procedure	44
Replacing the system-board assembly	46
Procedure	46
Post-requisites	46
Removing the audio daughter-board	47
Prerequisites	47
Procedure	47
Replacing the audio daughter-board	48
Procedure	48
Post-requisites	48
Removing the coin-cell battery	49
Prerequisites	49
Procedure	49
Replacing the coin-cell battery	50
Procedure	50
Post-requisites	50
Removing the keyboard	51
Prerequisites	51
Procedure	51
Replacing the keyboard	53
Procedure	53
Post-requisites	53
Removing the power-button module	54
Prerequisites	54
Procedure	54
Replacing the power-button module	55
Procedure	55
Post-requisites	55
Removing the fingerprint reader daughter-board (optional)	56
Prerequisites	56
Procedure	56
Replacing the fingerprint reader daughter board (optional)	58
Procedure	58
Post-requisites	58
Removing the display assembly	59
Prerequisites	59
Procedure	59
Replacing the display assembly	61
Procedure	61
Post-requisites	61
Removing the power-adapter port	62
Prerequisites	62
Procedure	62
Replacing the power-adapter port	63
Procedure	63
Post-requisites	63
Removing the antenna cover	64
Prerequisites	64
Procedure	64
Replacing the antenna cover	66
Procedure	66
Post-requisites	66
Removing the antenna module	67
Prerequisites	67
Procedure	67
Replacing the antenna module	68
Procedure	68
Post-requisites	68
Removing the palm-rest assembly	69
Prerequisites	69
Procedure	69
Replacing the palm-rest assembly	70
Procedure	70
Post-requisites	70
Downloading drivers	71
Downloading the audio driver	71
Downloading the graphics driver	71
Downloading the chipset driver	72
Downloading the USB driver	72
Downloading the chipset driver	73
Downloading the network driver	74
Downloading the fingerprint reader driver	74
System setup	76
Boot Sequence	76
Navigation keys	76
System setup	76
Entering BIOS setup program	77
Enabling or disabling the USB in BIOS setup program	77
Identifying the hard drive in BIOS setup program	77
Checking the system memory in BIOS setup program	77
System setup options	77
System and setup password	83
Assigning a system setup password	83
Deleting or changing an existing system setup password	83
Clearing BIOS (System Setup) and System passwords	84
Clearing CMOS settings	84
Real Time Clock (RTC) battery reset	84
Flashing BIOS (USB key)	84
Troubleshooting	85
Flashing the BIOS	85
Reinstall Windows using a USB recovery drive	85
Fixing a no-boot issue caused by USB-boot support	85
Enhanced Pre-Boot System Assessment (ePSA) diagnostics	86
Running the ePSA Diagnostics	86
Diagnostics	87
Flea power release	87
WiFi power cycle	88

Match case Limit results 1 per page

Replacing the system-board assembly

NOTE:

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

www.dell.com/regulatory_compliance

NOTE:

Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup

program after you replace the system board.

NOTE:

Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You

must make the appropriate changes again after you replace the system board.

Procedure

CAUTION:

Do not hold the system board on the area of heat transfer and circuitry.

Align the screw holes on the system-board assembly with the screw holes on the palm-rest assembly.

Replace the four screws (M2x4) that secure the system-board assembly to the palm-rest assembly.

Adhere the tape and then connect the touch-screen cable to the system-board assembly if applicable.

Adhere the tape that secures the touch-screen cable to the system-board assembly if applicable.

Slide the fingerprint reader cable (optional) into the connector on the system-board assembly and close the latch to secure the cable.

Adhere the tape that secures the fingerprint reader cable (optional).

Slide the keyboard-control board cable and touchpad cable into their connectors on the system-board assembly and then close the

latches to secure the cable.

Connect the power-adapter port cable and speaker cable to the system-board assembly.

Post-requisites

Replace the

memory modules

Replace the

heat sink

Replace the

fans

Replace the

solid-state drive (half-length)

or the

solid-state drive (full-length)

Follow the procedure from step 3 to step 6 in “

Replacing the hard drive

”.

Replace the

wireless card

Replace the

battery (half-length)

or the

battery (full-length)

Replace the

base cover

Replacing the system-board assembly