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There may be some radiation, and it is best not to get too close to the head.
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It's okay to completely cut off the power, and it's definitely not good to turn it on.
After the shutdown, there is basically no so-called "electromagnetic radiation". If there is, it is basically negligible, because the value is less than a few tenths of that of a mobile phone. >>>More
The grease stains on the outside are easy to clean off, but the grease stains on the inside of the laptop are not so easy. If you have to go to the professional maintenance department to wash the board, you can completely remove it.
The laptop will absorb a lot of dust and block the heat dissipation vents, affecting the heat dissipation.
All electrical equipment has radiation, so there must be.
There must be a problem with the display. First, the cable may be loose, reconnect the cable; Second, it may show that the driving circuit is broken and needs to be repaired; The third is that the display screen is broken and needs to be repaired.