@YAboiii
Thank you for being a part of HP Forums.
It'll be an honor to guide you through the steps needed to fix your concern or address your query 😉
As I understand the screen has cracks & the mouse doesn't work, overall you need it fixed,
I'd like to thank you for the detailed description of your concern,
as you have ensured I don't have to ask any more questions, that said, check this link out for details on where to look for model & product number, for starters: https://hp.care/2rSuDJS;(Ensure you do not share any of your personal information such as serial, phone number, email ID, etc...).
That said, here's what you need to know about replacing parts:
If the issue occurred after an accident (such as dropping it on the floor, etc.) there could be a additional charges in such cases to get the computer repaired via HP service centers.
You could purchase the part from HP, use the HP Parts surfer to identify the part: https://hp.care/2AjuDql
And order it via the HP Parts store: https://hp.care/2opJbTq
Or alternatively, Contact HP for setting up an order/service via phone support
HP Support can be reached by clicking on the following link:
1) Click on this link - https://hp.care/2moMFSc
2) Click on "Continue as guest".
3) Enter the serial of your device.
4) Select the country from the drop-down.
5) Click on "Show Options".
Fill the web-form. A case number and phone number will now populate for you.
They will be happy to assist you immediately.
If the unit is under warranty repair services under the manufacturer's warranty will be free of charge.
If you would like to thank me for my efforts to help you,
feel free to give me a virtual high-five by clicking the 'Thumbs Up' icon below,
Followed by clicking on the "Accept as solution".
Have a great day!
Riddle_Decipher
I am an HP Employee