These are some common tools used to work on this device. You might not need every tool for every procedure.
The Dell Inspiron 15-7548 is apart of the Dell Inspiron 15-7000 line. The Inspiron 7548 has a 15.6-inch touchscreen display and an Intel fifth gen core. The Inspiron has waves audio speakers built into the palm rest of the device. The display comes in either 1080p or 4k resolution.
The 7000 series of Dell Laptops can be identified by Dell factory sticker placed on the lower back side of the device in the bottom left corner.