Specifications

Troubleshooting Symptom Charts/Miscellaneous - 14
Miscellaneous
Clicking, chirping,
or thumping
1 Disconnect hard drive. Replace drive if noise disappears.
2 Replace power supply.
3 Replace logic board. Retain customer’s SIMMs.
System shuts down or
restarts
intermittently
1 Make sure air vents on back and top of case are unobstructed.
Thermal protection circuitry may shut down computer. After
30 to 40 minutes, system should be OK.
2 Replace power cable.
3 Install standoffs on LC Ethernet Card, if present.
4 Replace power supply.
5 Replace SIMMs. Refer to Memory manual.
6 Replace logic board. Retain customer’s SIMMs.