User manual

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9. Sound disappeared abruptly. Check whether the connection between power
amplifier and speaker are reliable, and double click the volume icon to see
whether the audio part is set as “mute”.
10. Can’t access to Internet. Check whether the network system is properly
connected, or the wireless router runs normally. Check whether the driver for
the network equipment is properly installed and the related parameters are
correctly set. Finally, make sure the ISP service is still valid.
11. System can’t access the information on hard disk. Check whether the hard
disk is infected by virus. Note whether the hard disk is detected during the
self-detection process.
12. Blue screen and system crash. Check whether the system is infected by
virus. If the problem still exists, it is recommended that the operating system be
re-installed.
13. PC can’t recognize USB devices or USB devices can’t run normally. Check
whether these devices are properly installed (or the power is turned on), or the
latest version of the drive for the device is installed.
14. For some models, when you first install the operating system, after
installed display driver, the display resolution settings should be:
If only connected the HDMI devices, the default display mode is single ⑴
mode, and the display device is notebook. The maximum rate can achieve
1366X768, (can also set other higher resolution, but the screen will be missed).
If you connected to the CRT display device at this moment, the screen will not
display. Please press CTRL + ALT + F1 to switch for the Intel (R) Dual Display