上海维宏电子科技股份有限公司
Weihong Electronic Technology Co., Ltd.
Specialized, Concentrated, Focused - 99 -
System Repair
When the system can be booted while the software cannot be launched normally, users can select
this item. The system will execute self-recovery. After system recovery, software can be launched after
power on.
When the system is damaged and cannot be booted, users need to update system, which refers to
updating mirror image and software here. The following fives detailed introduction of this two process.
5.1.1
Updating Mirror Image
The essence of updating system is updating mirror image, which is used when the system is
damaged and cannot be booted. Its operation procedure is as follows:
1) Insert the USB flash disk with the system mirror image file
NK280_NK_Rx.x.x.nb0
and the new
software into NK280.
2) Power on NK280 while pressing M key several times until entering system update interface.
3) Press letter key T to select
―Update system‖ under this interface, at this time, the interface will
display reading the file NK280_NK_Rx.x.x.nb0 from the USB flash disk. And this process will last for
about 3 minutes until mirror image is updated successfully.
After this, there is a need to install software since the system is not equipped with any applications
after mirror image update. The operations are shown as below.
5.1.2
System update
Software installation after mirror image update
1) Insert the USB flash disk with the new software of
.weihong
format into NK280.
2) After mirror image update, USB flash disk will be recognized automatically. Recognition succeeded,
BOOT interface will be accessed.
Tip: Press S key to show the current Boot version.
Press T key to update Boot then restart.
Reading your USB device...
BOOT V1.3.1
PublicFile
Backup
Restore
DelParam
Config
System
Run Old
Fig. 5-2 BOOT system update interface
3) In the popup USB list, as shown in Fig. 5-3, select the software to be installed, and press F6 to
update the software, with processing bar indicating the installation progress, see Fig. 5-4.