HP Slate 7 "unstall" Questions

it will not come on because i unstall a factory app please help ...I don't know what to do NOW but I can't get it to come back on ..please help me fix it can you not system restore?

Cookie Jam app has frozen how do I unfreeze it I would uninstall it and then reinstall. same thing for me on my samsung galaxy tab, unstall/reinstall did not work

How do I unstall a downloaded game app on a Toshiba encore2 wt10-a Click and hold and sometimes there will be a little trachea not in settings then drag it to the trash

...hold screen closes Try restarting your tablet if it still is not working try restarting it again unstall a few apps download CM security app this should help speed up things on your tablet CM ...

i cant use the USB port it always says " do you want to format it now" even the slot of the SD card.. it always says" do you want to format it now" and when i tried to format it, it just ended into " ...