keys wont work

Hi There, I will include some background to the issue. A customer approaches me with a battery and keyboard issue on their Acer aspire v3-571. The battery issue was caused by a faulty dc jack and a dead battery that was resolved (By replacing both parts). The customer said that they couldn't...

Just as it says ive got several keys not responding on laptop even though they press down and click just like other working buttons, is there anything i can do without going to repair specialist and spend big money on repair???