Dell Latitude 9410 2-in-1 CMOS Battery Replacement

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Use this guide to replace the coin cell battery (CMOS) of the Dell Latitude 9410 2-in-1.

If your computer runs slow, receives “Booting Error” messages, or loses BIOS settings when turned off, the CMOS may need to be replaced. The typical CMOS lifespan is 3-5 years, so if you're experiencing issues related to a failing CMOS, it's likely time to replace it. Be sure to check the troubleshooting page before moving forward with replacement.

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Dell Latitude 9410 2-in-1 CMOS Battery Replacement, Base Panel: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

Ensure that the laptop is unplugged and powered off before beginning.
Place the laptop upside down on a flat surface.

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Use a Phillips #00 screwdriver to loosen the ten captive screws.
The screws are permanently fastened to the base panel; do not attempt to remove them.

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Dell Latitude 9410 2-in-1 CMOS Battery Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:03crwdne2935265:0

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Carefully lift off the back panel.

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Dell Latitude 9410 2-in-1 CMOS Battery Replacement, CMOS Battery: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0

Dell Latitude 9410 2-in-1 CMOS Battery Replacement, CMOS Battery: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0

Dell Latitude 9410 2-in-1 CMOS Battery Replacement, CMOS Battery: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

Carefully peel back and remove the black tape around the top left corner of the motherboard.

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Dell Latitude 9410 2-in-1 CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0

Dell Latitude 9410 2-in-1 CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0

Dell Latitude 9410 2-in-1 CMOS Battery Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

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Tweezers

$4.99

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Grip the CMOS cable as close as possible to the plug, and gently pull directly backwards, in the direction of the cables, until the CMOS cable disconnects from the motherboard.
If the cable is hard to pull out by hand, use tweezers to get a better grip on the cable connector.