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HP Envy 17-3070NR CMOS Battery Replacement

Introduction

Use this guide if you would like to replace the CMOS battery of your HP Envy 17-3070NR. The CMOS battery ensures that you BIOS setting are saved when your PC is on. It also runs the clock, making sure you have correct time when you power you computer back on. These batteries tend to last 10 year but should it fail earlier, use this guide to replace it.

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  1. HP Envy 17-3070NR CMOS Battery Replacement, Back Cover: étape 1, image 1 de 2 HP Envy 17-3070NR CMOS Battery Replacement, Back Cover: étape 1, image 2 de 2

    • Before you begin taking apart the computer, make sure that it is completely powered off.

    • Slide the release latch away from the nearest edge.

    • Slide the back cover off of the computer.

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  3. HP Envy 17-3070NR CMOS Battery Replacement: étape 2, image 1 de 3 HP Envy 17-3070NR CMOS Battery Replacement: étape 2, image 2 de 3 HP Envy 17-3070NR CMOS Battery Replacement: étape 2, image 3 de 3

    • Remove the six 3.7mm Phillips screws.

    • Slide the back cover until it clicks, then lift it straight off.

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  4. HP Envy 17-3070NR CMOS Battery Replacement, CMOS Battery: étape 3, image 1 de 3 HP Envy 17-3070NR CMOS Battery Replacement, CMOS Battery: étape 3, image 2 de 3 HP Envy 17-3070NR CMOS Battery Replacement, CMOS Battery: étape 3, image 3 de 3

    • Unplug CMOS battery by gently pulling upwards on it's cable.

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Conclusion

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

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Denis Yugov

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