If a laptop's trackpad is becoming loose or popping out, users are advised to stop using the device immediately. This can be a sign of a swollen battery, which not only damages the laptop but also poses a fire risk. While most modern trackpads are flat and solid, some users have reported their trackpads becoming loose, as if something were pushing from inside the laptop. In more severe cases, the glass covering the trackpad may crack. A loose trackpad could be an early indicator that the battery is nearing the end of its life. Modern laptops typically use lithium-ion batteries, which are generally safe when used properly. However, if these batteries become overcharged or physically damaged, they can produce harmful gases that cause swelling. This swelling can push against nearby components, and since the battery is often located beneath the trackpad, it can cause the trackpad to pop out. This issue has been reported across various laptop models, including Microsoft Surface devices and Apple MacBooks. Apple has previously launched replacement programs for MacBooks affected by swollen batteries. A trackpad popping out is usually a sign of a failing battery, but other causes could include a loose internal screw or physical impact. Regardless of the cause, users should be cautious and ensure the issue is not battery-related. If a trackpad is popping out or the laptop case is bulging, the device should be turned off and unplugged immediately to avoid any potential hazards. It is recommended to take the laptop to a professional repair shop, as handling a swollen battery can be dangerous. In many cases, replacing the battery can resolve the issue, allowing the trackpad to snap back into place once the new battery is installed. Repair costs vary, with Apple charging between $149 and $249 for MacBook battery replacements, depending on the model. If the trackpad was damaged by the swollen battery, the cost may be higher. Some laptop manufacturers may offer free repairs if the device is still under warranty. To prevent battery-related issues, users should avoid exposing their laptops to extreme temperatures or direct sunlight for long periods. Using original, certified chargers is also advised. If a laptop is not in use for an extended time, it should be stored at around 50 percent charge and turned on every three months to ensure everything is functioning properly. Adjusting laptop settings to reduce battery wear can also be beneficial.