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6.3 Troubleshooting Procedures
Use the following procedures to troubleshoot your system. If you have followed all of the
procedures below and still need assistance, refer to the
Returning Merchandise for Service
changing any non hot-swap hardware components.
MH1
No Power
1. As you try to power up the system, note any beep codes. Refer to the next section for
USB2/3 (3.0)
FAN1
details on
beep
codes.
2. Check that the power LED on the motherboard is on.
JPW1
PWRLED
MH3
COM1
3. Make sure that the power connector is connected to your power supply.
4. Make sure that no short circuits exist between the motherboard and chassis.
5. Disconnect all cables from the motherboard, including those for the keyboard and mouse.
6. Remove all add-on cards.
7. Connect the internal speaker (if applicable), and the power LED to the motherboard. Make
sure that the heatsink is fully seated.
8. Use the correct type of onboard CMOS battery as recommended by the manufacturer.
Check to verify that it still supplies ~3VDC. If it does not, replace it with a new one.
Warning: To avoid possible explosion, do not install the battery upside down.
9. Verify that all jumpers are set to their default positions.
10. Check that the power supplies' input voltage operate at 100-120v or 180-240v.
11. Turn the power switch on and off to test the system
section(s) in this chapter.
JUSB1
JSIM1
JSIM2
JHDMI1
JGP1
JF1
JPME2
Figure 7-3. Location of the MB Power LED
Chapter 6: Troubleshooting and Support
Technical Support Procedures
Power down
JLAN4
JLAN3
LAN4
LAN3
CPU1
51
the system before
JPH1
JLAN2
JLAN1
LAN2
LAN1
I-SATA0
J2
USB0/1
JSIM_OPT1
MH4
BT1
or
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Table of Contents
Troubleshooting
