bb 9900 trackpad not working

Blackberry 9900 trackpad can click enter but not scroll. not for sale enhypen lyrics My blackberry bold 9900 the a button and the trackpad are not working. samsung a51 not charging the trackpad will scroll but not click? I took my battery out then i puy the battery back in then the phon opened but nothing works on it the scroll wont move either help me plzzz? Blackberry bold 9700 trackpad double