ASUS D550MA-DS01 CMOS Battery Replacement

Introduction

The CMOS battery ensures that BIOS settings stay when your computer powers off. If the settings keep getting reset or the system time keeps changing, then it may be time to replace the CMOS battery.

What you need

Step 1 Keyboard Module

ASUS D550MA-DS01 CMOS Battery Replacement, Keyboard Module: step 1, image 1 of 2

ASUS D550MA-DS01 CMOS Battery Replacement, Keyboard Module: step 1, image 2 of 2

Before you begin, be sure to turn off your laptop and unplug it from the outlet.
Use a Philips #1 screwdriver to remove the nine screws from the back cover.

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Step 2

Turn the laptop over and open the display.
Insert the flat edge of the spudger into the crease of the keyboard cover.
While the spudger is in the crease, carefully pry open the casing by sliding the spudger along the edge.
Do not use excessive force to pry open the lid. You should hear each plastic clip snap open as you run the spudger along the edge.

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Step 3

Make sure that the entire cover has been released from the plastic clips.
Slowly lift the cover open from the front of the laptop, but do not completely remove it.
Note the locations of the three white and blue data cables connecting to the keyboard to the computer's main board.

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Step 4

If you are only replacing the battery, you can skip this step and the next. Shift the keyboard module away from the display and set it such that the fragile flex cables are not strained.
Disconnect the three data cables from the motherboard.
To unlock a ZIF connector, use the tip of a spudger or your fingernail to flip up the small, hinged locking flap. Carefully slide the unlocked cable out of the socket.

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Step 5

Remove the fully disconnected keyboard module from the laptop.

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Step 6 Battery

ASUS D550MA-DS01 CMOS Battery Replacement, Battery: step 6, image 1 of 2

ASUS D550MA-DS01 CMOS Battery Replacement, Battery: step 6, image 2 of 2

Do not use any metal tool to pry any type of battery. Doing so can puncture or short the battery, resulting in damage or injury.
Remove the two screws securing the battery to the laptop case with a Phillips #1 screwdriver.

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Step 7

Lift the battery out and remove it:
The battery is connected to the motherboard on the left side.
Use your fingertips to evenly grip the battery on the left and right sides of the battery.
Pull straight up to lift the battery out of its place.
Do not use excessive force or attempt to pry the battery with any tools. Doing so will result in damage to the laptop.

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Step 8 Hard Drive

ASUS D550MA-DS01 CMOS Battery Replacement, Hard Drive: step 8, image 1 of 2

ASUS D550MA-DS01 CMOS Battery Replacement, Hard Drive: step 8, image 2 of 2

Remove the four screws that hold the hard drive in place with the Philips #1 screwdriver.
There are two screws connected to the motherboard and two screws connected directly to the case.

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Step 9

Remove the hard drive by sliding it to the right to disconnect it from the motherboard and lifting out.
Be sure to fully disconnect the hard drive from the motherboard to ensure that you do not damage the connectors.
If necessary, unscrew the old hard drive from the holster and screw the new one into the holster.

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Step 10 DVD Drive

ASUS D550MA-DS01 CMOS Battery Replacement, DVD Drive: step 10, image 1 of 2

ASUS D550MA-DS01 CMOS Battery Replacement, DVD Drive: step 10, image 2 of 2

Remove the single screw that is holding the drive in place using the Phillips #1 Screwdriver.

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Step 11

Slide the drive out to the right of the laptop to disconnect from the motherboard.
Lifting the drive straight out without sliding to the right will damage the motherboard.

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Step 12 Motherboard

ASUS D550MA-DS01 CMOS Battery Replacement, Motherboard: step 12, image 1 of 2

ASUS D550MA-DS01 CMOS Battery Replacement, Motherboard: step 12, image 2 of 2

Tool used on this step:

Tweezers

$4.99

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Remove the 9 screws from the motherboard using the Philips #1 screwdriver.
While unscrewing the screws, it may be helpful to use the tweezers to keep control of the screws.

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Step 13

ASUS D550MA-DS01 CMOS Battery Replacement: step 13, image 3 of 3

Disconnect the three cables attached to the motherboard.
Do not pull the cables by their wires. This can lead to damage to the cables.
The large, black cable is connected to the screen. Carefully wiggle the cable out by gripping the black tape with your fingers.
There may be clear tape holding the screen connector in place.
The cable for the fan and speaker use similar connectors. Use the black spudger or carefully grip the sides of each connector with your fingers to slowly pull them out.

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Step 14

Pull the motherboard to the right to clear the peripheral connections of the laptop casing.
Lift the motherboard out of the laptop.

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Step 15 CMOS Battery

ASUS D550MA-DS01 CMOS Battery Replacement, CMOS Battery: step 15, image 1 of 1

Locate the CMOS battery on the reverse side of the motherboard.

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Step 16

Place the narrow end of the black spudger in the small recess between the battery and its housing.
Gently slide in the spudger and pry the battery out.
The battery should spring out of the housing.