User's Manual

(1) Why does fog often appear on screen?
In order to ensure safety of screen, this product adds a layer of tempered
glass to outside of screen, and in order to ensure heat dissipation, there must
be a certain gap between two, which is used to reserve air channels for air
convection.
main cause of fog is that there is a temperature difference between screen
temperature and outside temperature, and hot air condenses on glass
surface with a lower temperature to produce water fog. Water mist generally
does not affect normal use. mist will slowly evaporate and disappear after
half an hour of use.
(2) Why do devices in different environments have different startup
times?
Under normal circumstances, if device is poisoned by an external USB flash
drive, Internet access, or hard disk space is full, or system disk is damaged,
slow booting will occur. Professional engineers will judge and guide you to
solve problems remotely.
(3) There is no sound from external laptop device?
If it is a VGA cable connection, it is only for image transmission, and then an
audio cable needs to be connected. Similarly, only connecting audio cable
will not produce sound. You need to connect VGA cable to recognize VGA
channel or you can choose HDMI cable connection.
(4) With limited touch pens, what can replace touch pen book for flexible
writing without scratching screen?
You can temporarily use your fingers instead of writing, and you can
re-purchase if necessary.
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