Right click not working on Packard Bell Hera

[terry5880]

no right click working on packard bell hera what solutions can I try help appreciated please thanks in advance

 

[terry5880]

UPDATE , I have opened laptop used compressed air to blow any bad stuff away . I have checked it has the latest drivers but still no right click but if I push real hard on left click at the bottom it works . and when using external usb mouse it works fine right and left anyone got a suggestion