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A simple visual inspection of a computer’s interior hardware can often lead to :the$51,1*source of a problem, such as a loose expansion card, cable connector, or mounting screw. When you perform the visual inspection, refer to “System Features” in Chapter 1 to locate components in the inspection procedure.
To perform the internal visual inspection, follow these steps:
. Turn off the system, including any attached peripherals, and disconnect
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2.Open the computer’s right and left panel doors as described in “Accessing the Interior of the System” in Chapter 1.
3.erify that the chips, DIMMs, expansion cards, and
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To ensure that the chips are fully seated in their sockets, press firmly on the top of each chip.
To reseat SEC cartridge and heat sink assemblies, remove and reinstall them as described in “SEC Cartridge and Heat Sink Assembly” 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 connec- tor, and carefully push it in until fully seated.
4.Verify that all jumpers are set correctly.
For information about these jumpers, see “System Board Jumpers” in Chapter 1.
Basic Troubleshooting |