Please choose the correct ending to complete the given sentence: Finance and Business: [header] How to choose keyboards for computers [title] Check the connection on your computer. [substeps] At the back of the computer, you'll see either a round port, which is a ps2 port, or a rectangle one, which is a usb port. The type of port you have determines the type of connection your keyboard must have in order to function.

Ending1: If you plan to use other keyboards during an unspecified time, such as offline, they typically won't help you decide which one you want. Click the " edit " link in the upper-right corner of the screen and enter " keyboard. Ending2: [title] Check if your computer is connected to the internet. [step] Most computer or desktop computers have a main internet connection, but some computers, such as laptops, have wifi connectivity. Ending3: You can also choose a wireless computer keyboard if your computer has bluetooth capabilities. To find out if it does, go to the control panel on your computer and search for the icon that says " bluetooth devices. Ending4: [title] Install the software you will need to use. [step] Keyboards are deactivated through software troubleshooting, so be aware of your keyboards available on your computer when you start using them.

Answer format: ending1/ending2/ending3/ending4