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Dell XPS 15 9575 CMOS Battery Replacement

Dell XPS 15 9575 CMOS Battery Replacement

Mayuresh

Mayuresh and one other contributor

Last updated on June 21, 2024

40 - 50 minutes
Moderate
Inconsistent Images
Needs More Images

Introduction

Go to step 1

This guide shows you how to replace the CMOS battery in your Dell XPS 15 9575 laptop.

The CMOS battery powers your laptop's BIOS firmware, which is responsible for booting up your computer and configuring data flow.

You can tell if your CMOS battery has died if your laptop has difficulty booting up, if drivers disappear, and if your laptop's date and time are incorrect.

Check out the Dell XPS 9575 Troubleshooting page for more help narrowing down your issues to the CMOS battery.

Before you begin this repair, turn off your laptop and unplug it from the charging adapter. As an extra precaution, unplug the battery connector from the motherboard or remove the battery before you start.

What you need

Fix Kit

This kit contains all the parts and tools needed to complete this guide.

Parts

Tools

Show more…

  1. Dell XPS 15 9575 CMOS Battery Replacement, Bottom Cover: step 1, image 1 of 3 Dell XPS 15 9575 CMOS Battery Replacement, Bottom Cover: step 1, image 2 of 3 Dell XPS 15 9575 CMOS Battery Replacement, Bottom Cover: step 1, image 3 of 3

    • For your safety, please make sure the device is powered off and the A/C adapter is unplugged.

    • Use your T5 Torx driver to remove all eight 3.2 mm screws holding down the back panel.

    • Wedge an opening pick between the back cover and the base of the board, then slightly lift the tool to pop the clips on the back cover off.

    Edit

  2. Dell XPS 15 9575 CMOS Battery Replacement: step 2, image 1 of 1

    • Make sure all screws are removed before you lift the panel to prevent any damage from occurring.

    • Remove the bottom cover from the device when all sides are free.

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  3. Dell XPS 15 9575 CMOS Battery Replacement, Interconnect Cable: step 3, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement, Interconnect Cable: step 3, image 2 of 2

    • Use the Phillips #0 screwdriver to remove all four silver 3.2 mm screws fastening the interconnect cable.

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  4. Dell XPS 15 9575 CMOS Battery Replacement: step 4, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 4, image 2 of 2

    • Carefully wedge the plastic opening pick between the fan and the interconnect cable.

    • If this position does not release the interconnect cable, slide the opening pick along the edge until it is completely free.

    • Remove the interconnect cable.

    Edit

  6. Dell XPS 15 9575 CMOS Battery Replacement: step 5, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 5, image 2 of 2

    • Use the nylon tweezers to remove the interconnect pins from each of the circuit boards.

    Edit

  7. Dell XPS 15 9575 CMOS Battery Replacement, Battery: step 6, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement, Battery: step 6, image 2 of 2

    • Use the Phillips #0 screwdriver to remove all eight 6.4 mm screws from the battery.

    Edit

  8. Dell XPS 15 9575 CMOS Battery Replacement: step 7, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 7, image 2 of 2

    • Use a plastic opening pick to pry the black battery cable away from its silver adapter.

    • Hold the pick at 35 degrees from the computer and push towards the battery to remove the cable from its socket.

    • Do not push straight into the battery cable as this could damage the adapter.

    • When you disconnect connectors like these, be careful not to dislodge the small surface-mounted components surrounding the socket.

    Edit

  9. Dell XPS 15 9575 CMOS Battery Replacement: step 8, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 8, image 2 of 2

    • Use a plastic opening pick to separate the battery from the device.

    • Lift the battery straight up and remove it when it is completely separated.

    Edit

  10. Dell XPS 15 9575 CMOS Battery Replacement, Fan: step 9, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement, Fan: step 9, image 2 of 2

    • Use the Phillips 0 Screwdriver to carefully extract each of the four 3.2 mm screws.

    Edit

  11. Dell XPS 15 9575 CMOS Battery Replacement: step 10, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 10, image 2 of 2

    • Confirm all four screws have been extracted from the fan.

    • Find the wire connecting the fan into the motherboard and use the plastic opening tool to push the wire out from the motherboard's port.

    Edit

  12. Dell XPS 15 9575 CMOS Battery Replacement: step 11, image 1 of 2 Dell XPS 15 9575 CMOS Battery Replacement: step 11, image 2 of 2

    • The fan has been completely disconnected and is now safe to remove.

    Edit

  13. Dell XPS 15 9575 CMOS Battery Replacement, CMOS battery: step 12, image 1 of 3 Dell XPS 15 9575 CMOS Battery Replacement, CMOS battery: step 12, image 2 of 3 Dell XPS 15 9575 CMOS Battery Replacement, CMOS battery: step 12, image 3 of 3

    • Use a spudger to remove the CMOS battery from the board.

    • It is attached with a small amount of adhesive so you may need to pry it off, but be careful not to puncture or bend the battery.

    • Use a spudger to disconnect the CMOS battery connector cable from the motherboard.

    • To disconnect, use the point of a spudger to push on alternating sides of the connector to "walk" it out of its socket.

    • It may take a lot of alternating before the connector comes out. Be patient, and don't pull on the cables.

    • To reconnect the cable, align the connector and use a spudger or clean fingernail to push it fully into the socket.

    • Don't push on the cables themselves, or you may damage the connector.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order. Take your e-waste to an R2 or e-Stewards certified recycler.

Author

with 1 other contributor

Mayuresh

Member since: 02/08/24

73 Reputation

1 Guide authored

Badges: 3

Team

University of North Texas, Team 1-5, Coppersmith Spring 2024 Member of University of North Texas, Team 1-5, Coppersmith Spring 2024

UNT-COPPERSMITH-S24S1G5

4 Members

4 Guides authored

2 Comments

Does anyone know where I can find a CMOS battery replacement for a Dell XPS 15 (9575)? I'm looking to replace it after some technical issues. Any help would be greatly appreciated

Craig Bowser - Reply

You can check it on amazon, ebay or a site called called Computer World. The may have it.

Mayuresh -

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