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Acer Aspire 5742 CMOS Battery Replacement

What you need

  1. Acer Aspire 5742 CMOS Battery Replacement, Battery: step 1, image 1 of 3 Acer Aspire 5742 CMOS Battery Replacement, Battery: step 1, image 2 of 3 Acer Aspire 5742 CMOS Battery Replacement, Battery: step 1, image 3 of 3
    • Move the battery catch to the "unlocked" position.

    • Pull back the second spring-loaded battery catch until the battery pops up.

    • Remove the battery.

  2. Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: step 2, image 1 of 3 Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: step 2, image 2 of 3 Acer Aspire 5742 CMOS Battery Replacement, Cover Panel: step 2, image 3 of 3
    • Turn the notebook around to face you.

    • There are two Phillips #00 screws securing the cover panel to the rest of the notebook. Remove these screws.

  3. Acer Aspire 5742 CMOS Battery Replacement: step 3, image 1 of 3 Acer Aspire 5742 CMOS Battery Replacement: step 3, image 2 of 3 Acer Aspire 5742 CMOS Battery Replacement: step 3, image 3 of 3
    • Use a spudger to release the panel from the plastic retaining clips keeping it in place.

    • Do not apply too much force, or you may break the clips.

    • Remove the panel and set it aside.

  4. Acer Aspire 5742 CMOS Battery Replacement, CMOS Battery: step 4, image 1 of 2 Acer Aspire 5742 CMOS Battery Replacement, CMOS Battery: step 4, image 2 of 2
    • After removing the cover panel, you will see the hard drive, the RAM, and the CMOS battery.

    • The CMOS battery is the silver coin-like object in the center.

  5. Acer Aspire 5742 CMOS Battery Replacement: step 5, image 1 of 3 Acer Aspire 5742 CMOS Battery Replacement: step 5, image 2 of 3 Acer Aspire 5742 CMOS Battery Replacement: step 5, image 3 of 3
    • Press the tip of the spudger underneath the CMOS battery with very slight force.

    • Press down on the opposite side of the battery while prying the battery upward with the spudger.

    • After the battery is mostly lifted from the slot, you may pull out the battery with your fingers.

Conclusion

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

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Bill Murray

Member since: 10/24/16

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UMass Dartmouth, Team 2-6, Isaacson Fall 2016 Member of UMass Dartmouth, Team 2-6, Isaacson Fall 2016

UMASSD-ISAACSON-F16S2G6

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