- VGA cable replacement
- Needle-nose pliers
- Power downthe computer. Check the VGA cable running from the computer to the monitor. If the cable is not snugly seated in both ports, the video signal will not reach the monitor.
- Check the connector on each end of the VGA cable. Examine the nine pins on each connector. If any of the pins are bent or broken, the video signal will not reach the monitor. If there are just a few bent pins, you maybe able to straighten them with a pair of needle-nose pliers. Be careful not to break off any of the pins. If any of the pins are broke nor missing, you will need to replace the VGA cable with a new one.
- Disconnect all cables and peripherals from the computer. Open the computer case by removing the Phillips screws along the side or back of the case. Remove the cover or side panel to expose the internal components. Locate the VGA card and make sure it is fully inserted into the PCI card slot. If the card is not installed correctly, the video signal will not reach the monitor.
- Close the case, reconnect the power cord and all cables, and power up the computer. The video signal should display on your monitor.
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