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Dell Vostro 5515 Vostro 15 5515 Service Manual - Page 40

I/O board, Removing the I/O board

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3. Replace the two (M2x5) screws that secure the network-port bracket to the I/O board. 1. Install the base cover. 2. Follow the procedure in After working inside your computer. I/O board Removing the I/O board 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. 3. Remove the network-port bracket. The following images indicate the location of the I/O board and provide a visual representation of the removal procedure. 1. Remove the three (M2.5x4.5) screws that secure the left hinge to the palm-rest and keyboard assembly. 2. Open the display hinge at an angle of 90 degrees. 3. Open the latch, and disconnect the power button with optional fingerprint reader cable from the I/O board. 4. Disconnect the coin-cell battery cable from the I/O board. 5. Peel the tape that secures the I/O-board cable to the I/O board. 6. Open the latch and disconnect the I/O-board cable from the I/O board. 7. Remove the screw (M2x2) that secures the I/O board to the palm-rest and keyboard assembly. 8. Lift the I/O board off the palm-rest and keyboard assembly. Installing the I/O board If you are replacing a component, remove the existing component before performing the installation procedure. The following image indicates the location of the I/O board and provides a visual representation of the installation procedure. 40 Removing and installing components

Section	Page
Vostro 15 5515 Service Manual	3
Working inside your computer	6
Before working inside your computer	6
Safety instructions	6
Radiation Exposure Statement	7
Electrostatic discharge—ESD protection	7
ESD field service kit	8
After working inside your computer	8
Removing and installing components	10
Recommended tools	10
Screw list	10
Major components of Vostro 15 5515	11
Base cover	13
Removing the base cover	13
Installing the base cover	15
Battery	16
Lithium-ion battery precautions	16
Removing the 3-cell battery	17
Installing the 3-cell battery	17
Removing the 4-cell battery	18
Installing the 4-cell battery	19
Battery cable	20
Removing the battery cable	20
Installing the battery cable	20
Memory	21
Removing the memory module	21
Installing the memory module	22
Solid-state drive⁠—M.2 slot one	23
Removing the 2230 solid-state drive from M.2 slot one	23
Installing the 2230 solid-state drive in M.2 slot one	24
Removing the 2280 solid-state drive from M.2 slot one	25
Installing the 2280 solid-state drive in M.2 slot one	26
Installing the solid-state drive mounting bracket on M.2 slot one	27
Solid-state drive⁠—M.2 slot two	28
Removing the 2230 solid-state drive from M.2 slot two	28
Installing the 2230 solid-state drive in M.2 slot two	29
Wireless card	31
Removing the wireless card	31
Installing the wireless card	31
Fan	33
Removing the fan	33
Installing the fan	33
Coin-cell battery	34
Removing the coin-cell battery	34
Installing the coin-cell battery	35
Heat sink	36
Removing the heatsink	36
Installing the heatsink	37
Network-port bracket	38
Removing the network-port bracket	38
Installing the network-port bracket	39
I/O board	40
Removing the I/O board	40
Installing the I/O board	40
Speakers	41
Removing the speakers	41
Installing the speakers	42
Touchpad	43
Removing the touchpad	43
Installing the touchpad	44
Display assembly	45
Removing the display assembly	45
Installing the display assembly	47
Power button with optional fingerprint reader	49
Removing the power button with optional fingerprint reader	49
Installing the power button with optional fingerprint reader	49
Power-adapter port	50
Removing the power-adapter port	50
Installing the power-adapter port	51
System board	52
Removing the system board	52
Installing the system board	55
Palm-rest and keyboard assembly	59
Removing the palm-rest and keyboard assembly	59
Installing the palm-rest and keyboard assembly	60
Drivers and downloads	62
System setup	63
BIOS overview	63
Entering BIOS setup program	63
Navigation keys	63
Boot Sequence	64
System setup options	64
System and admin password	69
Assigning a system setup password	69
Deleting or changing an existing system setup password	69
Clearing BIOS (System Setup) and System passwords	70
Troubleshooting	71
Dell SupportAssist Pre-boot System Performance Check diagnostics	71
Running the SupportAssist Pre-Boot System Performance Check	71
System diagnostic lights	72
Recovering the operating system	73
Flashing BIOS (USB key)	73
Flashing the BIOS	73
M-BIST	74
LCD Built-in Self Test (BIST)	74
WiFi power cycle	74
Flea power release	75
Getting help and contacting Dell	76

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Replace the two (M2x5) screws that secure the network-port bracket to the I/O board.

Install the

base cover

Follow the procedure in

After working inside your computer

I/O board

Removing the I/O board

Follow the procedure in

Before working inside your computer

Remove the

base cover

Remove the

network-port bracket

The following images indicate the location of the I/O board and provide a visual representation of the removal procedure.

Remove the three (M2.5x4.5) screws that secure the left hinge to the palm-rest and keyboard assembly.

Open the display hinge at an angle of 90 degrees.

Open the latch, and disconnect the power button with optional fingerprint reader cable from the I/O board.

Disconnect the coin-cell battery cable from the I/O board.

Peel the tape that secures the I/O-board cable to the I/O board.

Open the latch and disconnect the I/O-board cable from the I/O board.

Remove the screw (M2x2) that secures the I/O board to the palm-rest and keyboard assembly.

Lift the I/O board off the palm-rest and keyboard assembly.

Installing the I/O board

If you are replacing a component, remove the existing component before performing the installation procedure.

The following image indicates the location of the I/O board and provides a visual representation of the installation procedure.

Removing and installing components