Appendix B Troubleshooting the System Hardware
Checking Connections and Switches
To check all the connections and switches, follow these steps:
Step 1 Power down the system, including any attached peripherals such as external drives. Disconnect all the power cables from their electrical outlets.
Step 2 If the system is connected to a power strip (or power distribution unit), turn the power strip off and then on again.
Is the power strip receiving power?
Yes. Go to Step 5.
No. Go to Step 3.
Step 3 Plug the power strip into another electrical outlet.
Is the power strip receiving power?
Yes. The original electrical outlet probably does not function. Use a different electrical outlet.
No. Go to Step 4.
Step 4 Plug a system that you know works into the electrical outlet.
Does the system receive power?
Yes. The power strip is probably not functioning properly. Use another power strip.
No. Go to Step 5.
Step 5 Reconnect the system to the electrical outlet or power strip.
Make sure that all connections fit tightly together.
Step 6 Power up the system.
Is the problem resolved?
Yes. The connections were loose. You have fixed the problem.
No. Call your service representative. (See the “Obtaining Technical Assistance” section on page xviii.)
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