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HP » DV Series » DV4040US Battery Replacement Guide
How to Remove Replace Install and Upgrade your HP DV Series DV4040US Laptop Battery
1. Turn your HP DV4040US laptop over.
2. Find the laptop battery release button lock for your HP DV4040US laptop.
3. Now that your HP DV4040US 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 DV4040US battery is removed, grab your replacement HP DV4040US battery for installation.
6. Insert the battery into the slot. Push the HP DV4040US battery towards the laptop and secure it in place.
