Dell 390 owner manual If the problem persists, the system board is faulty

.If the problem persists, the system board is faulty •
	LED
	Power Button
.A possible coin cell battery failure has occurred	Problem Description
Remove the coin cell battery for one minute, reinstall	Troubleshooting Steps
.the battery, and restart
	LED
	Power Button
.A possible processor failure has occurred	Problem Description
.Re-seat the processor	Troubleshooting Steps
	LED
	Power Button

Memory modules are detected, but a memory failure has Problem Description

.occurred
If two or more memory modules are installed,	•	Troubleshooting
		Steps
remove the modules, then re-install one module and

re-start the computer. If the computer starts normally, continue to install additional memory modules (one at a time) until you have identified a faulty module or reinstalled all modules without

.error

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