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The HP 15 Laptop PC (specifically the 15-dy2702dx) is a budget laptop that features a 15.6-inch touchscreen display, an 11th generation Intel processor, DDR4 memory, and solid-state storage.

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Not finding RTC or CMOS battery

My laptop showing CMOS Checksum error, and i'm unable to find the location of CMOS or RTC battery so that i can replace it. Please provide the image guide book of the manual locating that battery.

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Took a look at the motherboard - this one uses the primary battery to charge a capacitor backing the CMOS RAM. If it isn't holding the CMOS settings, the primary battery is bad.

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Bhayankar will be eternally grateful.
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