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Supermicro C7Z370-CG-L Motherboard User's Manual
5. The battery on your motherboard may be old. Check to make sure
that it still supplies ~3VDC. If it does not, replace it with a new
one.
No Video
1. If the power is on, but you have no video, you will need to remove
all the add-on cards and cables first.
2. Use the speaker to determine if any beep codes exist. (Refer to Ap-
pendix A for details on beep codes.)
3. Remove all memory modules and turn on the system. (If the alarm
is on, check the specifications of the memory modules, reset the
memory or try a different one.)
Memory Errors
1. Make sure that the DIMM modules are properly installed and fully
seated in the slots.
2. You should be using unbuffered Non-ECC DDR4 (up to 3000 MHz)
memory recommended by the manufacturer. Also, it is recom-
mended that you use the memory modules of the same type and
speed for all DIMMs in the system. Do not use memory modules
of different sizes, different speeds and different types on the same
motherboard.
3. Check for bad DIMM modules or slots by swapping modules be-
tween slots to see if you can locate the faulty ones.
4. Check the switch of 115V/230V power supply.
Losing the System's Setup Configuration
1. Please be sure to use a high quality power supply. A poor quality
power supply may cause the system to lose CMOS setup informa-
tion. Refer to Section 1-7 for details on recommended power sup-
plies.
3-2
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