frozen laptop

I have a presario CQ62-215 dx and when I turn it on the screen is black, and a series of 15 beeps can be heard! I tried to unplug the adapter, remove the battery, now the power button for a long time, but nothing changes! The last thing I did was turned off by updating the operating system (windows 7); I know it's stupid, but for some reason, I had to do. What can be the problem?

Hello
Welcome to the HP Forum!

giorgiolinas wrote:

I have a presario CQ62-215 dx and when I turn it on the screen is black, and a series of 15 beeps can be heard! I tried to unplug the adapter, remove the battery, now the power button for a long time, but nothing changes! The last thing I did was turned off by updating the operating system (windows 7); I know it's stupid, but for some reason, I had to do. What can be the problem?

I agree with you. Turn off the laptop in an extreme manner was not wise.

Try a hard reset:

Remove the battery and unplug the DC power adapter.
Press and hold the power button for more than 15 seconds.
Plug the DC power adapter (leave the battery for now)
Press the power button

If no joy then: (remove the battery and make this diagnosis with the plugged AC adapter)

(1) remove the memory and put one in the lower SoDIMM slot then try turning on the system. To do this with each module to see if a module of memory has failed is the origin of the problem.

If no joy with the memory module test:

Remove the hard drive and turn the laptop and press the power button.  If the BIOS complains that he cannot find any bootable disc, then you have a hard drive problem.

Kind regards
ERICO

Tags: Notebooks

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