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Asus X55C CMOS / BIOS Battery Replacement

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How to disassemble the laptop and replace the CMOS / BIOS Battery.

__________________ Video manual: __________________

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  1. Asus X55C CMOS / BIOS Battery Replacement, Keyboard: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Switch off the laptop and remove the battery.

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  2. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • The Keyboard is held by 5x locking clips.

    • Pick up a little the one side of the Keyboard and start opening the clips one by one.

    • Disconnect the Keyboard flex cable from the mother board and remove the KB.

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  3. Asus X55C CMOS / BIOS Battery Replacement, Optical Drive: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement, Optical Drive: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove the screw.

    • Pull out the SATA DVD Drive.

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  4. Asus X55C CMOS / BIOS Battery Replacement, Motherboard: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement, Motherboard: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove 3x Philips screws.

    • Disconnect the two small flex cables:

    • Power On button flex cable

    • Touch pad flex cable

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  6. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Unscrew the two Philips screws and remove the HDD / RAM Cover.

    • Remove three screws securing the hard drive caddy (hard drive assembly).

    • Slide the hard drive assembly to the left to disconnect it from the motherboard.

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  7. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:06crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Disconnect the two coaxial antenna cables from the Wi-Fi card.

    • Remove any Memory or Dummy card.

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  8. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • The bottom cover is held by 10x Phillips screws. Remove them.

    • With a plastic tool separate the Upper cover and remove it.

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  9. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:08crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:08crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:08crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect:

    • The Microphone cable

    • The LCD Display flex cable

    • Remove 3x Pillips screws.

    • Lift the board first from the right edge.

    • There is another one cable, from the DC connector, connected to the underside of main board. We should spun the the board to disconnect the DC connector cable.

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  10. Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:09crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement: crwdns2935265:09crwdnd2935265:02crwdnd2935265:02crwdne2935265:0
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  11. Asus X55C CMOS / BIOS Battery Replacement, CMOS / BIOS Battery: crwdns2935265:010crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement, CMOS / BIOS Battery: crwdns2935265:010crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Asus X55C CMOS / BIOS Battery Replacement, CMOS / BIOS Battery: crwdns2935265:010crwdnd2935265:03crwdnd2935265:03crwdne2935265:0
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To reassemble your device, follow these instructions in reverse order.

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