Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use chromecast [title] Unwrap your chromecast box. [step] You should find a usb cord and a charging cord along with the thumb-drive size device. [title] Identify the hdmi port in the back or side of your hd tv.

Ending1: [title] Use a digital chromecast pencil to trace the ports to which the remote is connected. [step] You can do this with single-line, or double-line, hdmi connections. Ending2: [step] There are many other ports on your tv as well, so you may need to identify one before you can access the next. [substeps] Some hdmi ports have their own buttons, but others are labeled with " purchase " or " accept " buttons. Ending3: [step] You should also find whether or not your tv has a usb port for charging the device. If not, it will need an outlet or power strip nearby. Ending4: [step] There is usually a port in the back of your tv. Notice it : [substeps] Hdmi ports are usually curved, but if you have a laptop, it should be inverted.

Answer format: ending1/ending2/ending3/ending4