1. Turn your Sony VGN-A317M laptop over.
2. Find the laptop battery release button lock for your Sony VGN-A317M laptop.
3. Now that your Sony VGN-A317M 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 Sony VGN-A317M battery is removed, grab your replacement Sony VGN-A317M battery for installation.
6. Insert the battery into the slot. Push the Sony VGN-A317M battery towards the laptop and secure it in place.