This unfortunately could happen with any make/model of laptop. Please have a read through Dell's Information and Guidance (which is relevant for any make/model) for such situations.
If you have any concerns or notice anything strange with your UniSA laptop please log a job through through the IT Help Desk's Self Service Call (ensuring you include the Blue Plate number of the device).
Example photos of laptops experiencing issues can be found on the Swollen Battery page.