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HP » DV Series » dv6640ep Battery Replacement Guide
How to Remove Replace Install and Upgrade your HP DV Series dv6640ep Laptop Battery
1. Turn your HP dv6640ep laptop over.
2. Find the laptop battery release button lock for your HP dv6640ep laptop.
3. Now that your HP dv6640ep laptop battery is unlocked, find the battery release button down.
4. Holding the laptop battery release button, gently pull your battery away from the laptop.
5. Now that your HP dv6640ep battery is removed, grab your replacement HP dv6640ep battery for installation.
6. Insert the battery into the slot. Push the HP dv6640ep battery towards the laptop and secure it in place.
