Power button - works after delay

[Gdaniels]

This issue is similar to:

https://h30434.www3.hp.com/t5/Desktop-Hardware-and-Upgrade-Questions/Computer-won-t-power-on/td-p/61...

My problem is the LED power button does not immediately work after turning on the power to the computer from a power station.  It seems that after power is turned on to the computer, I have to wait about a minute before the computer's power button will work.    Since shutting down the computer, then turning off the computer from the power station is essentially like unplugging it from the wall, I am wondering if the CMOS battery is low and not being "recharged" while the computer is unplugged.  And if so, would the delay in the power button be caused by the time it may take for the CMOS battery to get sufficiently re-charged once the computer is turned on from the power station (plugged in)?

Is there any way to tell if the battery is low and needs to be replaced?  The computer was purchased new in February 2010.  Thanks in advance.

[Barachiel]

@Gdaniels

Welcome to HP Forums, 

This is a great place to get support, find answers and tips, 

Thank you for posting your query, I'll be more than glad to help you out 🙂 

Follow the steps given below:

Turn off the computer. Un-plug all the plugs from the rear of the tower. Press and hold the power button for 30 seconds. Connect back and check if it work's.

Check with an alternate power outlet. If it doesn't work, then try with an alternate power chord.

Let me know if it worked out. 🙂

[Gdaniels]

Your solution did not work.  I found if I left the computer plugged in, the power button will work normally.  I think the CMOS battery needs to be replaced.  Please provide me with the appropriate battery identification (size/type) and any instructions needed to change the CMOS battery.  The motherboard is HP part number 573401-991, Violet6-GL8E (Pegatron M2N78-La).   Thanks.

[Barachiel]

@Gdaniels,

Thank you for posting on HP Forums, 

Barachiel is at your service. 

I'm sending out a Private message with the required information's,

Keep me posted,

Good Luck. 🙂

[Gdaniels]

I have not received the private message with the information, or I may have missed it.  Please let me know if it was sent or if it is still to come.  Thanks.

[Barachiel]

@Gdaniels,

Thank you for responding,

It's great to have you back 😉 

I'm sending out a Private message with the required information's,

Keep me posted,

Good Luck. 🙂

[Gdaniels]

I received your private message instructing me to contact HP's phone support (see below).  For some reason I thought I could receive tech support by posting here.  I request again that you provide me with the appropriate battery identification (size/type) and any instructions needed to change the CMOS battery.  The motherboard is HP part number 573401-991, Violet6-GL8E (Pegatron M2N78-La).   Thanks.   P.S.  I believe the CMOS battery is a CR 2032 battery, please confirm this.

Private message you sent on 7/28/2018:

@Gdaniels,

If that's the case, I'd request you to contact HP's phone support team for further assistance.

1) Click on this link - www.hp.com/contacthp/

2) Click on "Continue as guest".

3) Enter the serial of your device.

4) Select the country from the drop-down.

5) Click on "Show Options".Fill the web-form.

A case number and phone number will now populate for you.They will be happy to assist you immediately.

If the unit is under warranty repair services under the manufacturer's warranty will be free of charge.

Feel free to post your query for any other assistance as well,It's been a pleasure interacting with you and I hope you have a good day ahead.

You've been great to work with and it has been a genuine pleasure interacting with you.

I hope both you and your product works great and remain healthy for a long time 😉

If I have helped you resolve the issue, feel free to give me a virtual high-five by clicking the 'Thumbs Up' icon below, Followed by clicking on "Accept as solution" from the drop-down menu on the upper right corner,

Thank you for posting in the HP Support Forum. 

Have a great day!

Regards,