Alas, brother, don’t laugh! Last week, I passed by the mall and saw a large screen with a black face. Five staff members were circling around the machine. This scene seemed like you who couldn't find the remote control of the TV. Seriously speaking, do you know that the LED large screen worth millions may be hidden under your nose?

The boot position is revealed

Let me tell you the truth first: a shopping mall opened last year, and the staff searched for half an hour but couldn't find the boot button. Finally, they found that the main power gate was not pushed up at all. In fact, there are three ways to start the mainstream large screen:

1. ​Physical Button Pi​: Usually there is a coin-sized button hidden in the lower right corner of the screen (don't poke the key!)
2. ​​Remote Control Party​: Looks like an air conditioner remote control, focus on whether there is a "POWER" button
3. ​Intelligent control group​: Mobile APP/computer software control, no physical keys are required at all

There is an uncommon knowledge point: nowadays, high-end screens don’t need to turn on and off every day! Like the standby mode designed by some manufacturers, the power consumption is lower than that of your router.

Why is the boot order fatal?

Last month, I saw a novice turn the boot sequence inverted, and the screen burned a black hole. Remember this life-saving formula:

• Turn on the video processor first and wait for the green light to keep on turning on (about 30 seconds)
• Turn on the sending card again, and it will be ready to hear the "drip" sound
• Finally, the power supply of the screen is opened, at least 10 seconds apart

The key point is here! When encountering thunderstorms, don’t just try to save trouble and directly close the main gate. The correct way is:

1. Turn off the screen body power first
2. Wait for 2 minutes before turning off the sending device
3. Finally turn off the processor
   (This process is reversed, and the maintenance fee is five digits in minutes)

The ultimate solution to not finding a button

Let me first talk about the inside story of the industry: many engineering screens now do not have physical keys at all! Don't panic, try these three tricks:

1. ​Find a distribution box​: Open the metal cabinet door and identify the red switch marked "MAIN"
2. ​Check the receiving card​: Find an iron box with a net port on the back of the screen and restart its power supply
3. ​​Use the universal method​: Unplug the thickest power cord directly, wait 10 seconds before plugging it back

If it doesn't work, check these three places quickly:

• Is the distribution room tripped (especially when the air conditioner is turned on in summer)
• Did the network cable be bitten by a mouse (real news! 6 cables were bitten by a theater)
• Is the control system software expired (some require annual renewal)

Editor's opinion time

I want me to tell you, now it’s like playing escape room - the manufacturer is becoming more and more hidden. But this is no wonder, after all, remote control is popular now. Recently I have seen some high-end models support voice wake-up, and can start by shouting "Start up", which is really smart.

Finally, let’s be honest: Instead of studying how to start the computer, it’s better to choose a reliable manufacturer. Look at these two hard indicators:

• Those who dare to promise a five-year warranty (switch circuits are most likely to break)
• Provide 24-hour remote guidance (not afraid of crashing in the middle of the night)
  Remember, the good screen is as smooth as Dove when it is turned on, and the bad screen plays hide and seek with you every day!

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