Thanks for posting your question on Justanswer.com, a global paid independent support site.My Name is ***** ***** I will be assisting you today. Please let me know the make and model no. of the keyboard .
Model no. of the keyboard ?
Please check the bottom of the keyboard.
I am not asking you remove the battery, please check the bottom and let me know the model no. of the keyboard, because that will help me to answer you specifically.
OK, press the shift key 5 consecutive times and let me know, what happens ?
Can you try to type something.
Do you have any spare USB keyboard, which you can connect with the Dell PC and check ?
OK, hold down the shift key and then try to type any 10 alphabets ?
It seems a Windows feature called sticky keys is on, please press the CTRL,ALT and DEL together on the keyboard.
Can you use the mouse ?
Please open the link below and follow the steps to disable sticky keys and let me know.