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Supermicro C7Z170-M/C7H170-M Motherboard User’s Manual
No Video
1. If the power is on, but you have no video--in this case, you will need to re-
move all the add-on cards and cables rst.
2. Use the speaker to determine if any beep codes exist. (Refer to Appendix A
for details on beep codes.)
3. Remove all memory modules and turn on the system. (If the alarm is on,
check the specications of memory modules, reset the memory or try a differ-
ent 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 recommended 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 between slots to
see if you can locate the faulty ones.
4. Check the switch of 115V/230V power supply.
When the System is Losing the Setup Configuration
1. Please be sure to use a high quality power supply. A poor quality power sup-
ply may cause the system to lose CMOS setup information. Refer to Section
1-5 for details on recommended power supplies.
2. The battery on your motherboard may be old. Check to verify that it still sup-
plies ~3VDC. If it does not, replace it with a new one.
3. If the above steps do not x the Setup Conguration problem, contact your
vendor for repairs.
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