Laptop problem

[sjamo]

I have a Hp 4520s laptop, I was  working day before yesterday  I switched off how ever at the following da  till now, when I switch on it just immediately sutck at the first logo HP screen in the center of the monitor with black screen.

I've already unplug the AC, remove the bactery and power off for about a minute however when I put it back and power on nothing happen.

I took the memory one by one, changing the slots and nothing happen.

I pressed the power buttom and immediately  press ESC and nothing. Do the same and then press F8 nothing, the same and then press F10 nothing. I tested the HDD in another computer, even the memory, there are all OK. Briefly I think I have done everything and nothing happen.

may someone help me Please!!!!!!!

[MargaretN]

Hi Sjamo,

This community is for users of solutions and products from Hewlett Packard Enterprise. HP (aka Hewlett-Packard Inc. ) is a separate company.

Support for, and information on products from Hewlett-Packard Inc. is provided by the HP Support Forums. 

[sjamo]

Very Sorry!!!!!! understood

[MargaretN]

As mentioned, please check on the Hewlett-Packard Inc. community HP Support Forums