Appendix
· 46 ·
EC3-1820V2NA
Slow to enter
operating system
1.
Please check whether there are bad tracks on the hard
disk by third party software;
2.
Please make sure the remaining space on the system
partition is enough;
3.
Please check whether the CPU fan is operating normally.
System reboots
automatically
1.
Please make sure the CPU fan is operating normally;
2.
Please check whether the reset button has been triggered
by accident;
3.
Please check whether the system is affected by virus
using anti-virus software;
4.
Please check whether the memory module or the
peripheral card is loose;
5.
Please make sure the load carrying capability of the
adopted power supply is enough; you may try to replace
the power.
No USB device can
be detected
1.
Please confirm whether independent power supply is
required on the USB device;
2.
Please check whether ill contact exists on the USB port;
3.
Please make sure the USB controller in BIOS Setup has
been enabled.
No PCI card can be
detected
1.
Please check whether additional power supply is needed
on the PCI card;
2.
Please make sure whether the operating voltage of the
PCI card is in accord with that supplied by motherboard
(5V by default);
3.
Please make sure whether the PCI slot can be identified
after replacement.
