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(2) Why are the boot times of the devices in different
meeting rooms are different?
Generally, the external U disk or surfing online will let the
device get virus. As a result, the disk space is fully occupied,
or the system disk is damaged. Therefore, the boot of the
device will get slower.
(3) The attached touch pens are limited. Is there any object
that can replace the touch pen for flexible writing and at
the same time does not damage the screen?
Fingers can be temporarily used for writing. In addition, if
necessary, you can buy more writing pens.
