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PlayStation 2 Slimline CMOS Battery Replacement

Introduction

The Sony PlayStation 2 Slim relies on a CMOS battery, essentially a modified battery designed to power the CMOS chip in the hardware. This chip is responsible for storing boot settings, system time, and date. A faulty CMOS battery can cause faults in game saves, incorrect system time, or prevent the system from powering up.

What you need

  1. PlayStation 2 Slimline CMOS Battery Replacement, CMOS Battery: step 1, image 1 of 2 PlayStation 2 Slimline CMOS Battery Replacement, CMOS Battery: step 1, image 2 of 2

    • Remove all five screws on the downside of the PS2 Slimline

    • Underneath the "Do not remove" sticker, there will be one last screw

    Edit

  3. PlayStation 2 Slimline CMOS Battery Replacement, Remove the plate: step 2, image 1 of 2 PlayStation 2 Slimline CMOS Battery Replacement, Remove the plate: step 2, image 2 of 2

    • Using a metal spudger, carefully pry open the chassis

    • Although a metal spudger is used in the tutorial, it is recommended to use plastic spudgers with most electronics as metal on metal can short circuts

    Edit

  4. PlayStation 2 Slimline CMOS Battery Replacement, Remove the Battery: step 3, image 1 of 3 PlayStation 2 Slimline CMOS Battery Replacement, Remove the Battery: step 3, image 2 of 3 PlayStation 2 Slimline CMOS Battery Replacement, Remove the Battery: step 3, image 3 of 3

    • Locate the battery on the motherboard. The battery will be a CR2032 Button Cell Battery

    • Carefully use a metal spudger to pull the battery out of the metal housing

    • Once the battery is fully removed, remove the connector upwards from the motherboard

    • The connector does not have any clips and can be easily removed and pushed back in with reassembly/disassembly

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

7 other people completed this guide.

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tlroesner

Member since: 05/13/12

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3 Guide Comments

why would i need to do this?

Dimitrios Frantzis - Reply Share

To prior poster, you will not be able to effectively play certain types of games once the server is shut off by Sony.

Joe W. - Reply Share

What do I replace the battery with? Can I re-apply the rubber casing of the original battery onto a new 2032 or what?

Jarad Webb - Reply Share

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