Wont boot

[Newbee_55]

Mouse wouldn't work. Bought a new one, same trouble. Ran diagnostics and worked ok. Several days later went to turn computer on and the blue light doesn't light up. Both fans are running. Light on back of computer is on. Dvd tray moves in and out. I unplug everything. Cleaned the inside of dust. Removed one memory card. Computer will not come on. Does anyone have any ideas.  Thanks in  advance.

[Jeet_singh]

@Newbee_55,

Welcome to the HP Forums 🙂 I would like to take a moment and thank you for using this forum, it is a great place to find answers. For you to have the best experience on the HP forum, you could also visit our HP Forums Guide for First Time Here? Learn How to Post and More. I see from your post that you're having issues with the computer won't boot. Don't worry we'll work together to help you find a solution.

To provide you with an accurate solution, I'll need a few more details:

Have you recently made any software or hardware changes on the PC before the issue started?

Have you tried to perform Bios recovery?

Have you run an extensive system diagnostics test?

In the meantime, let's try these steps here: 

Perform a Hard reset on the PC: 

Many startup errors and other problems can be resolved by decreasing the amount of power stored in hardware components. Decreasing stored power is sometimes referred to as a "Hard Reset". Use the following steps to perform a hard reset on a computer:

1. If Windows is open, click Start and then Shutdown.

If Windows is not open and the computer has power, press and hold the power button on the computer until the computer shuts off.

2. With the power off, disconnect the power cord from the back of the computer.

3. With the power off and the power cord disconnected, press the power button on the computer for 5 seconds. The power light indicator on or near the power button might turn on briefly but then go out.

4. Reconnect the power cord and turn on the power.

Next thing, I would suggest here is to attempt a Bios Recovery on your PC.

If the above steps works and the display turns on/If not, use an alternate monitor and then: Perform an extensive system diagnostics test on the computer as well as an extensive test on the hard drive from F2(Please capture the failure ID for further assistance).

If nothing works, then I would suggest you follow the steps suggested in the support document for - HP PCs - Computer Does Not Start (Windows 7)

Could you please respond to this post with the details and with the results of the troubleshooting as this will help me in further assisting you.

Eagerly waiting for your response!

that said, If the information I've provided was helpful, 

give us some reinforcement by clicking the solution and kudos buttons, 

that'll help us and others see that we've got the answers!

Good Luck.