
Complete the following procedure to check all the connections and switches:
1. Turn off the system, including any attached peripherals (such as the monitor,
printer, external drives, scanners, and plotters). Disconnect all the AC power
cables from their electrical outlets.
2. If the computer is connected to a power strip, 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.
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 elec
trical outlet.
No. Go to step 4.
4. Plug a lamp that you know works into the electrical outlet.
Does the lamp receive power?
Yes. The power strip is probably not functioning properly. Use another power
strip.
No. Go to step 5.
5. Reconnect the system to the electrical outlet or power strip.
Make sure that all connections fit tightly together.
6. Turn on the system.
Is the problem resolved?
Yes. The connections were loose. You have fixed the problem.
No. Go to step 7.
7 Is the monitor operating properly?
Yes. Go to step 8.
No. Go to "Troubleshooting the Monitor" in Chapter 6.
8. Is the keyboard operating properly?
Yes. Go to step 9.
No. Go to "Troubleshooting the Keyboard" in Chapter 6.
Checking the Basics 2-5