In most cases, laptops can successfully pass the plane security check, but if you encounter the following situations, you may not be able to pass the security check: 1. Battery problems;2. Difficulty in image recognition;3. Failure to place it correctly4. Illegal carrying;5. Power on and off and wireless network status. In conclusion, making sure that the laptop battery is compliant, displayed on its own for clear scanning, that the wireless function is turned off, and that it does not contain any prohibited items is key to successfully passing through aircraft security. Also, keep an eye out for the latest airline security guidelines and notices to stay up to date on changes to regulations.
1. Battery problems. Lithium batteries used in laptops can be potentially safe. If the battery is damaged, swollen or its capacity exceeds the airline's regulations (e.g. more than 100 Wh, depending on the airline and regional regulations), you may be denied boarding and will need to be replaced or disposed of in accordance with the regulations.
2. Difficulty in image recognition;The complex electronic structure and battery components inside laptops can cause blurry images or make it difficult to accurately judge when imaging by X-ray security scanners. In order to avoid miscalculation, the security officer may ask the passenger to take out the laptop and scan it individually through the X-ray machine, or manually open the box for inspection.
3. Failure to place it correctly and carry it in violation of regulations. If a passenger mixes the laptop with other items, which may result in overlapping and confusing security screening images, the security officer may ask the passenger to remove the laptop from the bag separately and place it in a designated container for security screening. At the same time, the laptop itself is not in violation, but if there are contraband or dangerous goods hidden inside the laptop case, then the entire device will certainly not pass the security check.
4. Power on and off and wireless network status. While there is no impact to the physical security check, in practice, some airports or flights will require passengers to turn off their laptops and remove any external batteries during the security check, while ensuring that Wi-Fi functions (Wi-Fi, Bluetooth, etc.) are turned off.
There are different considerations and recommendations regarding whether laptops can be checked in when flying: lithium batteries in laptops are a key point. In accordance with ICAO regulations, lithium batteries built into laptops are permitted as checked baggage, provided that the device is turned off and that the battery is installed inside the device and cannot be removed. However, due to concerns about the safety risks of lithium batteries, many airlines recommend that passengers carry electronic devices containing lithium batteries, such as laptops, tablets, etc., as hand baggage and avoid putting them in checked baggage, especially some large, high-capacity lithium batteries.
Even if laptops are allowed in checked baggage, passengers are strongly advised to consider their value and vulnerability. Laptops are valuable and fragile items, and once checked, they may be at risk of damage caused by drops, collisions, etc., and airlines often have limited compensation for damage or loss of valuable electronic devices in checked baggage. If you do need to check in a laptop, you should take adequate protective measures, such as packing it in a special shockproof bag and making sure the packaging is secure to reduce the possibility of damage.
In conclusion, although laptops can technically be checked in, due to the safety of lithium batteries and the protection of the device itself, it is recommended that passengers carry laptops on board in most cases. Please refer to the latest regulations and recommendations of your airline.