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- Re: Won start 3 red lights pip then 3 white light it’s bran ...

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05-17-2025 07:38 AM
Hi:
I would return the PC. You shouldn't have to deal with problems like that right out of the box.
Here is the beep code troubleshooting guide so you can at least know what the 3.3 beep code is and how to troubleshoot it:
They tell you to contact HP customer service for that issue. Take the PC back as soon as possible.
3.3 = Graphic chip failure
HP Desktop PCs - Computer beeps or a light blinks during startup | HP® Support
05-17-2025 09:28 AM
You're very welcome.
Since the PC only comes with a graphics card and no onboard graphics adapter, you can try removing and reseating it.
Other than that, I can't think of anything else you can try.
Below is the link to the service manual:
Maintenance and Service Guide HP Z6 G5 Workstation Desktop PC