Dell OptiPlex NX1 Service Manual - Page 57

Proceed to the next s, Eliminating Resource Conflicts, Run

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The microprocessor is physically located in a SEC cartridge/heat sink assembly on the system board. To reseat the microprocessor, remove the SEC cartridge/heat sink assembly and reinstall it as described in "SEC Cartridge/Heat Sink Assembly" in Chapter 4, 5, 6, or 7, as appropriate for your system. To reseat a DIMM, remove it from its socket and reinstall it as described in "DIMMs" in Chapter 4, 5, 6, or 7, as appropriate for your system. If you need to reseat an expansion card, remove it from its connector and reinstall it as described in "Expansion Cards" in Chapter 4, 5, or 6 or in "Expansion Card" in Chapter 7, as appropriate for your system. For information about these jumpers, see "System Board Jumpers" in Chapter 1. Does the problem appear to be resolved? Yes. No further steps are necessary. Terminate the procedure. No. Proceed to the next sections, "Eliminating Resource Conflicts," "Running the System Diagnostics," and "Getting Help." Devices within the computer may require dedicated memory spaces, interrupt levels, or DMA channels, all of which must be allocated during installation of the devices. Because a device may be installed at a different time, it is possible that the same resource is assigned to two or more devices. Resource conflicts can result in disorderly or erratic system operation or failure of the system to operate at all. If you suspect that resource conflicts might exist, check the system and reassign the resources as necessary. Basic Troubleshooting 2-5

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Basic Troubleshooting
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The microprocessor is physically located in a SEC cartridge/heat sink
assembly on the system board. To reseat the microprocessor, remove the
SEC cartridge/heat sink assembly and reinstall it as described in “SEC
Cartridge/Heat Sink Assembly” in Chapter 4, 5, 6, or 7, as appropriate for
your system.
To reseat a DIMM, remove it from its socket and reinstall it as described in
“DIMMs” in Chapter 4, 5, 6, or 7, as appropriate for your system.
If you need to reseat an expansion card, remove it from its connector and
reinstall it as described in “Expansion Cards” in Chapter 4, 5, or 6 or in
“Expansion Card” in Chapter 7, as appropriate for your system.
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For information about these jumpers, see “System Board Jumpers” in
Chapter 1.
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Does the problem appear to be resolved?
Yes.
No further steps are necessary. Terminate the procedure.
No.
Proceed to the next sections, “Eliminating Resource Conflicts,” “Run-
ning the System Diagnostics,” and “Getting Help.”
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Devices within the computer may require dedicated memory spaces, interrupt
levels, or DMA channels, all of which must be allocated during installation of
the devices. Because a device may be installed at a different time, it is possible
that the same resource is assigned to two or more devices.
Resource conflicts can result in disorderly or erratic system operation or failure
of the system to operate at all. If you suspect that resource conflicts might
exist, check the system and reassign the resources as necessary.