MSI MAG Z490 TOMAHAWK, Быстрый старт, Страница: 72 / 76

Troubleshooting
Before sending the motherboard for RMA
repair, try to go over troubleshooting
guide first to see if your got similar
symptoms as mentioned below.
The power is not on.
∙ Connect the AC power cord to an
electrical outlet securely.
∙ Check if all ATX power connectors
like ATX_PWR1, CPU_PWR1 are
connected from the power supply to the
motherboard?
∙ Some power supply units have a power
button on the rear side, make sure the
button is turned on.
∙ Check if the power switch cable is
connected to JFP1 pin header properly.
∙ Verify the Clear CMOS jumper JBAT1 is
set to Keep DATA .
∙ Test with another known working
power supply of equal or greater
wattage.
The power is on, but no signal to
monitor
∙ Connect the monitor power cord to a
electrical outlet securely.
∙ Make sure the monitor is turned on.
∙ Select different inputs on the monitor.
∙ If 3 long beeps are heard, remove all
memory modules and try to install only
one memory module in the DIMMA2 slot
first and then restart the computer.
∙ If 1 long 2 short beeps are heard,
remove and reinstall the graphics card
and then restart the computer.
∙ Test with another known working
graphics card.
The computer does not boot after
updating the BIOS
∙ Clear the CMOS.
∙ Use the secondary BIOS to bootup the
system (Only for motherboard with Dual
BIOS)
Lost BIOS password
∙ Clear the CMOS, but that will cause
you to lose all customized settings in the
BIOS.
There is no audio
∙ Adjust the volume.
∙ Connect the speakers/headphones to
audio ports on the motherboard rear IO
panel.
∙ Remove secondary speakers/
headphones, HDMI cables, USB audio
devices.
∙ Test with another known working
speaker or headphone.
There is no network
∙ Make sure the network chipset driver
has been installed.
∙ Verify if the network cable is properly
connected and make sure the LAN port
LEDs are properly illuminated.
∙ Verify your TCP/IP settings.
∙ Restart or reset your router.
∙ Test with another known working LAN
cable.
The USB device is not working
∙ Make sure your USB drive driver has
been installed.
∙ Verify if USB device is listed in
Windows
®
Device Manager.
∙ Connect the USB device to other USB
port on the motherboard rear IO panel.
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Troubleshooting