Title: How to Fix an HP Pavilion Desktop That Won’t Power On
Introduction: Hi, Simon here. In this guide, I’ll take you through diagnosing and fixing an HP Pavilion Desktop 595-p0074 that’s not powering on. This problem commonly occurs after a power outage, leading to the desktop not responding at all when the power button is pressed.
Initial Diagnosis: In our case, there was a power outage the day before the issue arose. No response from the power button indicated a possible issue with the power supply.
Changing the Power Supply: Given the symptoms, the first step in troubleshooting is replacing the power supply. It’s a relatively straightforward process, and often, a faulty power supply is the culprit behind power issues.
Steps for Replacement:
- Removing the Side Cover:
- Start by removing the side cover of your desktop. You’ll need a T10 Torx screwdriver (or a flat-head screwdriver in a pinch) to loosen the screw holding the cover.
- Disconnecting Components:
- Carefully disconnect the DVD drive and any other connected components. Remember to handle the SATA and power cables gently.
- Removing the Front Panel:
- Next, remove the front panel. Be cautious with the power cable attached to the front panel; it’s safer to leave it connected while working.
- Removing the Power Supply:
- Now, focus on the power supply. Disconnect all cables connected to it, including the main power cable to the motherboard and any auxiliary connectors.
- Installing the New Power Supply:
- With the old power supply removed, bring in the new one. Slide it into place, ensuring it clicks securely. Reconnect all cables as they were previously connected.
- Reassembling the Desktop:
- Once the new power supply is installed, reassemble your desktop in reverse order. Ensure all cables are properly connected and nothing obstructs the fan.
- Testing:
- With everything back in place, it’s time to test. Connect your desktop to power and press the power button. If the power supply was the issue, your desktop should now boot up normally.
Conclusion: Replacing a power supply is a relatively simple process that can resolve many power issues with desktop computers. If you’re facing similar issues with your HP Pavilion Desktop or a similar model, this guide should help you get back up and running.
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