Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to check if your computer can have a wifi card [title] Shut down your pc and remove the power cord and turn the power switch to off. [title] Open your computer-case. [step] Note that opening your case may void warranty.

Ending1: [title] Look for the computer compartment and take out the plain black one [title] Look inside the computer compartment. [step] There there should be a small compartment on the side that has some sort of copyright acceptance symbol. Ending2: If you still have warranty or you are uncertain your warranty has voided already check this first. If you do not want to void warranty read the tips and then skip to the bottom part of this guide. Ending3: [title] Remove the sd card from your hard drive in order to inspect your cd player. [step] I gathered that a cd player can have 2 ps3/dvd drives at the beginning-2nd-e , 2nd-e , 4th-e , 4th-e. Ending4: [title] Locate the flat and soft padding panels. [step] If you are using an external hard drive, the panels will be at the bottom, in the front of the case.

Answer format: ending1/ending2/ending3/ending4