I'm sorry about the issue. Was Caplock showing fine previously?
What's the model of your Dell computer?
Do your Dell computer have windows xp, vista, or 7, or 8, 10?Can we do a remote support session, so I can troubleshoot the issue directly on your computer together with you?Please type at the box below, then click on the Send button below to communicate with me, so I can help. Thank you,