| Frequently a system that will not power-up may have | | | | test this by taking a known working appliance such as |
| inadvertently become unplugged or possibly a cable | | | | a lamp and testing the actual receptacle that the |
| may have become loose. The following checklist is | | | | computer is plugged into to make sure that it is actually |
| intended to eliminate a power connection or | | | | working. |
| disconnected cable as the cause for a system not | | | | 6. If you see a power light or other L.E.D.'s on the |
| powering up. | | | | computer case lighting up but the monitor is not |
| 1. Check to be sure that all power switches are in the | | | | showing a display then you may not have power to |
| on position. Check the back of the computer case. | | | | the monitor or the video cable may have become |
| Many times there will be a power switch on the back | | | | disconnected. Make sure that the power cable to the |
| of the computer near the spot where the power cable | | | | monitor is firmly plugged into the back of the monitor. |
| attaches to the computer. Be sure that it is in the | | | | Trace the power cable from the monitor back to the |
| correct position. | | | | receptacle and be sure that it is connected to a live |
| 2. Check to see that the voltage switch is set | | | | outlet. |
| correctly. In the U.S. it should be set to 110v/115v. You | | | | 7. Check to see if the monitor video cable is secured |
| will find the voltage switch located on the power | | | | to the back of the monitor and that the other end is |
| supply, which is normally located on the back of the | | | | securely attached to the video port on the computer. |
| computer also near the power cord. | | | | 8. Still no luck? Try unplugging and re-plugging all cables. |
| 3. Make sure that the power cord to the computer is | | | | Remove all cables from computer including power, |
| plugged securely into the back of the computer. | | | | monitor, mouse, keyboard, printer, network, and any |
| 4. For laptops make sure that the transformer is | | | | other attached devices. Make sure that you know |
| plugged into the laptop securely. | | | | where the cables go back again! If not, label them. |
| 5. Trace the power cord from the computer back to | | | | 9. Now re-plug all the cords and cables and try |
| the receptacle in the power strip or wall and make | | | | powering up again. |
| sure that the receptacle is actually ‘hot'. You can | | | | |