What is the button next to the power button of the dell1420 that looks like a small house?

The small house key next to the power supply is a function of Dell, which can support the function of ** files such as ****** without booting (in fact, it is equivalent to a simplified operating system), referred to as MD, in fact, this is a chicken rib function, there is no big use, many Dell users will easily remove it when redoing the system (because this MD occupies almost 2G of hard disk space), and once this MD is removed, it is best not to press this key again, It is said that some users can't start windows after pressing this key after dropping MD (I tried, but this didn't happen) You should delete this ** center in this case, but it doesn't matter, this feature is not of great use.

dell in order to maintain low cost and low price,Think1420Of course, the mold won't be as good as Sony,Apple and other books,But it's not as bad as some people say,At least I've used Dell,Sony,Asus and Lenovo's book,It can be said that Dell's mold is almost,But it's definitely not so bad that people feel bad when they look at it,In fact, this is mainly in the material and design of Dell's book (not beautiful)

If you surf the Internet in a browser, the function is to open the home page.

Hello, that sign should be the switch of the wireless card. After standby, you can restore the system by pressing a random button.

Hello should be the safety switch of the computer power supply, which is equivalent to a insurance, and the function is to directly cut off the power, which is different from the power off through the computer control.

(1) This button is a power switch, that is, a switch that cuts off the power supply.

2) When there is a problem with the host and you want to overhaul it, there is no switch, that is, you can directly dial the power cord, which is easy to produce sparks, and the safety aspect is not very good.

Is it OK to make sure the button is on the power supply, if it is on the power supply, there are two possibilities:

1. One is the 220V mains switch of the power supply, and the switch button can turn on or off the 220V power supply.

2. The transfer switch is designed to be compatible with 110V or 220V mains. This is because 220V mains power is used in China, while 110V is used in Japan and some European countries. What kind of mains power is used, it is converted by pulling this key switch.