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HP » DV Series » dv6640eo Battery Replacement Guide
How to Remove Replace Install and Upgrade your HP DV Series dv6640eo Laptop Battery
1. Turn your HP dv6640eo laptop over.
2. Find the laptop battery release button lock for your HP dv6640eo laptop.
3. Now that your HP dv6640eo 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 dv6640eo battery is removed, grab your replacement HP dv6640eo battery for installation.
6. Insert the battery into the slot. Push the HP dv6640eo battery towards the laptop and secure it in place.
