Dell 2200 Service Manual

Also see for Dimension 2200: Installation instructions Owner's manual Owner's manual Replacement guide User guide

Contents

Dell 2200 Service Manual Manual pdf 35 page image

Basic Troubleshooting 2-5To ensure that the IC chips are fully seated in their sockets, press firmly onthe top of each chip.To reseat the microprocessor, remove it from its retention bracket and rein-stall it as described in “Microprocessor Module” in Chapter 4.To reseat a DIMM, remove it from its socket and reinstall it as described in“DIMMs” in Chapter 4.If you need to reseat an expansion card, remove the card as described in“Expansion Cards” in Chapter 4, and then reinsert the card in its connector,and carefully push it in until fully seated. Then reinstall the card-mountingbracket’s retaining screw.4. Verify that all jumpers are set correctly.For information about these jumpers, see “System Board Jumpers” in Chap-ter 1.5. Check all cable connectors inside the computer to verify that they arefirmly attached to their appropriate connectors.6. Reinstall the computer cover.7. Reconnect the computer and any attached peripherals to their powersources, and turn them on.Does the problem appear to be resolved?Yes. No further steps are necessary.No. Proceed to the next section, “Eliminating Resource Conflicts,” and to“Getting Help” found later in this chapter.Eliminating Resource ConflictsDevices within the computer may require dedicated memory spaces, interruptlevels, or DMA channels, all of which must be allocated during installation ofthe devices. Because devices may be installed at different times, it is possiblethat the same resource is assigned to two or more devices.Resource conflicts can result in disorderly or erratic system operation or systemfailure. If you suspect that resource conflicts might exist, check the system andreassign the resources as necessary.For additional information, see Chapter 5, “Using the EISA Configuration Util-ity,” in the User’s Guide or “Interrupt Assignments” and “DMA ChannelAssignments” in Chapter 1.Running the System DiagnosticsThe system diagnostics (included on the Dell Server Assistant CD) containstests that aid in troubleshooting all major components of the computer system.