Suddenly laptop off and not start up again

laptop stopped/ off suddenly and ON again with black/off screen, fan and all LED remains ON including charging LED when i force off it and trying to ON it by pressing the power button, fan
start sound comes in then nothing displays on
screen. It shows light in all LED. I also trying by removing battery but doesn't work..... need help

Hi there @dev0101
Welcome to the HP Support Forums! It is a great place to find the help you need, both from other users, HP experts and other support personnel.
I understand that your notebook is not starting properly, and I am happy to help with this. Please post the full product number for your notebook, as the partial number you posted result in three very different models. See the following, if you need help with that information.
How Do I Find My Model Number or Product Number?
However as a start you can try this page and see if anything clicks for you:
HP Notebook PCs - Computer Does not Start (Windows 7, Vista, XP)
Malygris1
I work on behalf of HP
Please click Accept as Solution if you feel my post solved your issue, it will help others find the solution.
Click Kudos Thumbs Up on the right to say “Thanks” for helping!

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+Message was edited: link has been removed - commercial+

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Moderator edit: Removed duplicate copy of message text.

Kaz wrote:
Hi Nordal,
I know this is an old thread, but since I too am now experiencing inability to startup by T60 and seems to be getting worse in the last months, I was wondering what additional things you may have learned in the last 2 years since facing this issue. My system will typically be in standby or hibernate and when I open lid to start it up again, Power and Bat light go out and cannot start it. No beep codes, nothing. Previously, recovery was to pull battery (which is now new Lenovo as of last month and working great), hit power button a few times and then hold it in, put battery back in and AC adapter, then it would start up. In last few days, this no longer works. I have to go through similar step, but now I have to startup only with battery, once in Desktop, I can plug in adapter and no issue until next time. I have three 90W AC adapter all putting out correct 19.5-20 VDC. Have rulled out an adapter issue, I believe. Concerned about something on motherboard being flaky, but cannot pinpoint issue. A few days ago when this happened, I had to pull CMOS battery, wait a few min., then put everything back together and was able to boot.
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Wanlucg wrote:
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