- Turn the laptop upside down (make sure it is resting against a soft surface, such as a towel.)
- Remove the battery
- Behind the battery is an orange slider.
- Slide the orange slider left.
- Now push the casing forward (towards the battery end)
- The plastic casing will then slide off revealing the HDD and on-board CMOs battery.
Note: The HP Mini uses a 2.5″ SATA HDD