i keep restoring my ipad and it keeps taking me to a black backround

i dont understand very much how to use the apple community system. But my IPad pro 11 inch 2018 version (has no home button) it is really broken up. Several months past I installed the IPad OS 15 beta in my ipad. My IPad´s screen is really broken and the power button does not work, so when i try tu shut my IPad off i have to wait until it shuts off alone. Recently my ipad appeared with a computer and a cable sign that meaning i had to connect to my computer so that is what i did. I did all the steps i could find updating my computer, updating my ipad from my computer, and also restoring my ipad but what ever i do the ipad always comes back to that black screen telling me to conect to my computer. I am 14 years old but evrything i do in the internet is suppervised by my parents so i leave you here a picture of how my ipad looks. as you can see the corners are destroyed and the screen too but i still ud¡se it becaouse of the perfect produc line apple makes. ;) if you can help me i will apriciate it a lot.

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