EVOC ERC-1004A, User Manual, Page: 133 / 133

Appendix
ERC-1004A - 61 -
BIOS setting is
correct while the
time and date are
incorrect.
Insufficient backup
battery capacity
Replace the battery
USB port is disabled in
BIOS Use other USB ports or enable
that port.
USB 2.0 device is
connected; however,
USB 2.0 is disabled.
Enable USB 2.0.
USB device has no
response
USB port is not
supported by the
operating system.
1. Enable USB Legacy Support
for the mouse and keyboard
(Legacy USB is supported);
2. For other devices, appropriate
USB drivers are required.
The computer is
not booted or
displays “Boot
device not found”
In booting priority of the
BIOS setting, the device
is not the first priority or
the device is not include
in the booting device.
Modify the booting priority of the
device in the Boot menu of BIOS
setting or include that device into
the booting priority.
The HDD power cable or
data cable is not
connected well
Check whether the power cable
and the data cable of the hard
disk (the hard disk shall be
installed with operating system
and is bootable) are well
connected.
No system disk
can be found when
powering on
System files on the hard
disk are damaged
Enter the system (usually WinPE
system) with a bootable disk;
check whether the system in the
hard disk is damaged. Reinstall
the system if necessary.
Plug and play I/O
card, no IO card is
detected or no IO
card can be used
when used again
Poor contact of the slot
Poor contact is usually caused by
frequent installation/
uninstallation of the PCI or ISA
card, unstable fixing or improper
dust-proof measures; please
remove and install the card for a
few times or use another slot.