© National Instruments | 5-1
5
Troubleshooting
This chapter answers common troubleshooting questions you may have when using the
RMC-8357.
What if the RMC-8357 does not boot?
Several problems can cause a controller not to boot. Here are some things to look for and
possible solutions.
Things to Notice:
• Which LEDs come on? The power indicator LED should stay lit. The hard disk drive LEDs
should blink during boot as the disk is accessed.
• What appears on the display? Does it hang at some particular point (BIOS, Operating
System, and so on)? If nothing appears on the screen, try a different monitor. Does your
monitor work with a different PC? If it hangs, note the last screen output that you saw for
reference when consulting National Instruments technical support.
• What has changed about the system? Did you recently move the system? Was there
electrical storm activity? Did you recently add a new module, memory chip, or piece
of software?
• Has the system overheated? If the Overheat/FanFail LED is lit, this indicates overheating.
Unplug the AC power cord from the controller and allow it to cool down before powering
it on again.
Things to Try:
• Make sure the RMC-8357 is plugged in to a working power source.
• Make sure the monitor is plugged into the DisplayPort or DVI port. The VGA port is
disabled by default.
• Remove the power supply and reinsert it.
• Remove any nonessential cables or devices.
• Make sure the CPU and memory modules are properly seated in their slots.
• Recover the hard drive on the RMC-8357. (Refer to the OS Reinstallation and Recovery
section of Chapter 2, Installation and BIOS Setup.)
• Remove memory from unsupported slots.
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