HP is issuing a notice that some of their products can have batteries that can cause a fire hazard. End-users with such an affected laptop need to do an update to deactivate the battery and have the battery replaced by HP.

Batteries affected by this program were shipped with specific HP Probook 64x (G2 and G3), HP ProBook 65x (G2 and G3), HP x360 310 G2, HP ENVY m6, HP Pavilion x360, HP 11 notebook computers and HP ZBook (17 G3, 17 G4, and Studio G3) mobile workstations sold worldwide from December 2015 through December 2017. They were also sold as accessories or provided as replacements through HP or an authorized HP Service Provider.

At this site you can chech all important information. HP also has a tool online allowing customers to check whether the battery of their laptop is possibly a fire hazard.

Battery Safety Mode is only applicable to HP products affected by this recall. If the validation process identifies a battery as being eligible for replacement, the BIOS update should be applied and the system should be rebooted. During the reboot process, an option will be presented to enable Battery Safety Mode. Accepting Battery Safety Mode causes the battery to discharge and to cease future charging until Battery Safety Mode is disabled. HP strongly recommends accepting Battery Safety Mode so that the notebook or mobile workstation can be safely used by connecting to an HP power adaptor. For more information please refer to the FAQs tab on this website.

HP has not disclosed how many incidents there have been but this seems to be a big widespread issue. The manufacturer offers you to return the laptop and replace the battery.

HP recalls many laptops due to fire hazard batteries