Q-See QSDT8DP User Manual page 74

drive.
Solution: Try reformatting the current drive or re-placing it.
Q9: Why isn't the mouse I have plugged into the front USB port working?
The front USB port is only for backup to USB flash drive, and does not
support a USB mouse. Please use the USB port on the rear panel if using
a mouse.
Q10: How do I input password and digital numbers?
To input password and digital numbers click the box behind password or
items where you need to input numbers, and then a small keyboard will
appear. Please select number or letter to input (the default password is
123456), or you can use the digital keys on the front panel, or the digital
keys on the remote control.
Q11: How do I upgrade the firmware on the DVR?
After you download the new firmware from the Q-See website at
www.q-see.com, copy it onto a USB flash drive, and then select "upgrade"
in the menu. If upgrading the kernel procedure, please refer to the
following method: firstly insert U disk into DVR, and then input "adwsws" in
the password of system login and the system will upgrade kernel
procedure automatically. After finished, please restart DVR to achieve.
Notice: Do not power off the system during the upgrade process!
Otherwise, it may damage the chipset and prevent the DVR from
starting.
70
QSDT8DP DVR User's Manual