Dell Precision 470 - Manual (Page 161)

Solving Problems: Dell Precision Workstation 470 and 670 Computers User's Guide
file:///T|/htdocs/systems/ws670/EN/ug_en/solve.htm[3/20/2013 9:31:58 AM]
If two microprocessors are installed, ensure that they are identical. If the microprocessors aren't
identical, you may receive an error message for the following:
Different cache sizes
Different speeds
Different types
Enter system setup and ensure that values for Processor 0 and Processor 1 under the CPU Information
option are identical:
If two microprocessors are installed, ensure that a VRM is installed for the second microprocessor.
Remove and reinstall the microprocessor.
Run the System Board Devices and Processor Cache test groups in the Dell Diagnostics.
Verify that the VRM is working:
If two microprocessors are installed, ensure that a VRM is properly installed for the second
microprocessor.
Reseat the VRM (see VRM ).
Run the System Board Devices and Processor Cache test groups in the Dell Diagnostics .
If the system will not boot after changing the processor and VRM configurations, it is most like a configuration
error. Check the diagnostic lights to make sure.
Serial or Parallel Device Problems
Fill out the Diagnostics Checklist as you complete these checks.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
NOTE: If you are having a problem with a printer, see " Printer Problems ."
Check the option setting — See the device's documentation for the recommended settings. Then enter
system setup and go to the Integrated Devices option settings. Ensure that the Serial Port setting or the
Parallel Port setting matches the recommended settings.
Run the Dell Diagnostics
Sound and Speaker Problems
Fill out the Diagnostics Checklist as you complete these checks.
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in
the Product Information Guide.
No sound from speakers
NOTE: The volume control in some MP3 players overrides the Windows volume setting. If you have been listening to
MP3 songs, ensure that you did not turn the player volume down or off.
Check the speaker cable connections — Ensure that the speakers are connected as shown on the setup
diagram supplied with the speakers. If you purchased an audio card, ensure that the speakers are connected to