• ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
  • ×
    Information
    Need Windows 11 help?
    Check documents on compatibility, FAQs, upgrade information and available fixes.
    Windows 11 Support Center.
  • post a message
Guidelines
Are you having HotKey issues? Click here for tips and tricks.
HP Recommended
Microsoft Windows 10 (64-bit)

Hello, i have a issue in my desk top hp z440.

when i wanna turn it on he start with 4 beeps , after that , i press again the power button, and he start working normally. sometimes, it takes more than 2 press on the power button to work. always the same problem. 

in short: press the button, 4 beeps, press the button again... till he work

1 REPLY 1
HP Recommended

From page 101 of z440 manual

 

 

BeemerBiker_0-1661285854946.png

 

BeemerBiker_1-1661285934353.png

 

Since it is intermittent problem you might try blowing dust out of power supply 

 

Do you have the 500 or the 700 watt supply?

 

If 500, have you upgraded the system to where the 500 might not be big enough?


Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.