Question from Amir H.: I just bought a new computer and on the back is a switch labeled 120V/240V. What is this switch used for and do I need to change it? Thank you.
Rick’s answer: Hi Amir. The switch you’re asking about is used to select the proper input voltage for the computer’s power supply unit (PSU).
Here in North America the power that comes out of a standard wall outlet is roughly 120 volts AC, but in many places around the world it is twice that (approximately 240 volts AC). The red switch on the back of the PSU needs to be set to match the output voltage of the wall outlets where you happen to live. [Read more…]
Do you have a Microsoft Surface tablet? They are becoming quite popular, especially in the corporate world where more companies are actually purchasing Surface tablets than iPads these days.
Question from Landra G:
If you’re like me, you typically have several windows open on your computer screen at once. If so, you might find it difficult to focus all of your attention just on the window that is currently active.
Question from Margaret L.: