The problem is a bad VGA port on the computer or monitor.
I came up with the problem by gathering information from the customer, identifying symptoms by checking the computer and monitor and determining if anything has changed by asking the customer.
Information – Problem started 2 years after customer purchased computer and monitor. Desktop computer powers on, but does not display on external monitor. VGA ports are being used on computer and Monitor. Computer and monitor have DVI ports.
Identifying symptoms – Monitor display is blank when computer is powered on.
Determining if anything has changed – No changes have occurred since purchase of computer and monitor.
Step 2: Establish a theory of probable cause.
The probable cause of the problem …show more content…
The computer was connected to good monitor using the VGA cord and the display was blank. The monitor was connected to good computer using the VGA cord and display was good. A good DVI cord was used to test the computer and monitor’s DVI ports and both were good. The problem is a damaged VGA port on the computer due to wear and tear.
Step 4: Establish a plan of action to resolve the problem.
Install a new VGA card on the computer.
Step 5: Implement the solution or escalate if necessary.
A new VGA card was installed on the computer and the problem was solved.
Installing VGA card on a Desktop Computer:
Step 1: Put on ESD strap.
I put on antistatic wrist strap, electrostatic discharge (ESD) strap or ground bracelet. This is an antistatic device used to safely ground a person working on very sensitive electronic equipment, to prevent the buildup of static electricity on their body, which can result in electrostatic discharge (ESD). The results could damage the computer’s components.
Step 2: Unplug computer turning off power.
Step 3: Unplug all additional hardware cords from computer.
Step 4: Remove side panel from case.
Step 5: Remove damaged VGA card.
Step 6: Install new VGA card.
Step 7: Replace side