HP Z2 Mini G3 Troubleshooting

Device turns off and the power button flashes red four times with long beeps, followed by the light flashing with two short beeps, repeating over again.

Check for and clean any ventilation blockage around the device. If the device is using Intel HD graphics. Remove the access panel. Check to make sure the air duct is correctly installed at the top of the chassis. Remove access panel and turn the power button on. Observe whether or not the CPU fan is running. If the fan continues to shut down automatically, replace the CPU fan using this guide.

Verify that the heat sink is properly attached to the processor. If it is properly attached but the device keeps shutting down, replace the heat sink.

(HP Development Company, 2016, p. 62)

Nothing happens when pushing the power button

Check to make sure the power cord is connected from the computer to a power outlet supplying electricity. Try using a different power cord to power the device.

Turn off the power and disconnect the power cord. Open the case and disconnect the device’s components from the motherboard one by one, testing the power after each component disconnected. Save the graphics card for the last component removed. If a faulty component is identified, replace the component. If no faulty component is observed, replace the motherboard using this guide.

*(HP Development Company, 2016, p. 62)

The physical device is unusually hot

Check the CPU load by holding down Ctrl + Alt + Delete, open Task Manager, select More details at the bottom of the page, under the Processes page, look at the percentages at the top. If either the CPU or Memory percentages are over 60%, close the processes that are using up most of that % until it reads below 60%

Check for and clean any ventilation blockage around the device. Check to make sure there are no loose wires connecting to the CPU fan. If the device is still overheating, try replacing the fan using this guide.

*(HP Development Company, 2016, p. 62)

The computer is displaying the incorrect date and time.

Reset the RTC battery by clicking on the searchbar and typing “Control Panel”, open the control panel, click on Change date, time, or number formats under the Clock and Region topic, under the format page, click on Additional settings, select Reset near the bottom of the page. If the displayed date and time is still incorrect, replace the RTC battery using this guide.

*(HP Development Company, 2016, p. 62)

The LED light indicating power on/off does not illuminate

Check to make sure the wire connected to the LED light is not loose, if it is connected properly, replace the LED light using this guide.

*(HP Development Company, 2016, p. 62)

HP Development Company, L.P. (2016, December). HP Z2 Mini G3 Workstation Maintenance and Service Guide [PDF file]. Retrieved from https://content.etilize.com/User-Manual/...