Seasonic FOCUS SGX-500 [7/76] English

b. DO NOT use excessive force to attach the connectors; the connectors are “keyed” so they can

only t one way.

c. Make sure that the connectors lock in tightly and securely.

4. Close the computer case according to the manufacturer’s instructions.

5. Plug in the AC power cord provided in the box and switch the AC On/O switch on the back panel

of the power supply to the “I” (On) position.

6. You are now ready to start your computer powered by Seasonic.

V. Troubleshooting

If the power supply unit fails to function properly, please go through the below checklist.

1. Check to make sure the AC power cord is properly connected to the AC source and the power

supply unit.

2. Check to make sure the AC source is On.

3. Check to make sure the AC On/O switch on the back panel of the power supply unit in the “I”

(On) position.

4. Check and secure all mainboard and peripheral connectors.

5. The AC on/o switch on the back of the power supply unit can be toggled between “I” and “O” a

few times with a 0.5 second delay in between to make sure the power supply unit is reset.

ENGLISH