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374237B-01
Sep15
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•
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?
Things to Try
•
Make sure the chassis is plugged in to a working power source.
•
Check any fuses or circuit breakers in the chassis or other power supply (possibly an
uninterruptible power supply).
•
Make sure the controller module is firmly seated in the chassis.
•
Remove all other modules from the chassis.
•
Remove any nonessential cables or devices.
•
Try the controller in a different chassis or a similar controller in this same chassis.
•
Clear the CMOS. (Refer to the
System CMOS
section of the
NI PXIe-8840 User Manual
.)
•
Recover the hard drive on the controller. (Refer to the
Hard Drive Recovery
section of the
NI PXIe-8840 User Manual
.)
For more troubleshooting information, refer to the
NI PXIe-8840 User Manual.
The manual is
in PDF format on the documentation CD included with your controller and on the National
Instruments Web site,
ni.com
.
What If I Can’t See the Video?
This problem usually results from having the video card output set past the limits of the monitor.
You will need to boot Windows in Safe Mode. To do this, reboot the controller. As Windows
begins to boot, hold down <F8>. You should now be able to reset the video driver to lower
settings. Try setting the resolution to 640 × 480 and the refresh rate to 60 Hz. Once you reboot,
you can raise these values again, using the test option in Windows. These settings are accessible
through the
Advanced
tab of the
Display
item in the
Control Panel
. Alternately, you can try a
different monitor, preferably a newer and larger one.
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