usually just click the window and hit alt+f4 on a PC & apple+q on a mac
There is no command button on your hp laptop. I guess you are refering to the command button on an iMac or MacBook? This button is only used by Apple. That's why Windows computers (such as your HP) don't have that button. The same button on your HP laptop will be the control (ctrl) button.
The button is not on your laptop, it is on some wireless routers.
On the laptop above the keyboard, there is a fairly big round button. You press the button and there you go!
the scroll lock button on my fujitsu laptop is to hold the function button, and press the Number Lock button
NO
the keyboard
the Power button
Be smarter than the microphone. You click on the microphone button at the top left corner and it should be on. But it depends if you are using a laptop or desktop computer. If you are using a desktop computer there is no microphone. But if using a laptop, click on the microphone button on the top left corner. Then the microphone should turn on.
No, actually it's F13.
you cannot play ps3 in laptop or in computer.
Near Shift.
perhaps the camera button...