Black screen, no cursor, no beep.

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  1. Posts : 6
    Win 7 professional 64Bit
       #1

    Black screen, no cursor, no beep.


    Hi,
    My laptop was booting up very slowly for a while. Since last week the screen remains black, no cursor.
    Instructions online say to continuously press F8 after hitting start to bring up the boot menu, this doesn't work. I tried this with every key from F1-12. Also it does not produce a beep sound.
    The only things which happen are the power button lights up after pressing it and the fans start blowing after 2-3 mins.
    I read that I will need a boot DVD, my question is: Will I have to select a setting to boot from this dvd? How will I do that when the screen is completely black?

    Thank you.
      My Computer


  2. Posts : 7,351
    Windows 7 HP 64
       #2

    It can be a bad contact between memory and slot or it also can be that your laptop is dead.
    Do you live nearby the sea?

    Shutdown, remove the charger and the battery. Open the memory cover, remove the memories sticks and spray a contact cleaner on the memory and on the slots. Insert only one memory stick. Insert the charger and the battery and try to boot.
    Shutdown, remove the charger and the battery and the memory stick and insert the other one. Insert the charger and the battery and try to boot.

    Report
      My Computers


  3. Posts : 6
    Win 7 professional 64Bit
    Thread Starter
       #3

    Megahertz07 said:
    It can be a bad contact between memory and slot or it also can be that your laptop is dead.
    Do you live nearby the sea?
    Shutdown, remove the charger and the battery. Open the memory cover, remove the memories sticks and spray a contact cleaner on the memory and on the slots. Insert only one memory stick. Insert the charger and the battery and try to boot.
    Shutdown, remove the charger and the battery and the memory stick and insert the other one. Insert the charger and the battery and try to boot.

    Report
    Thanks for the reply Megahertz.

    I live about 60kms from the sea, not super close.

    I'll go look for some contanct spray tomorrow when stores are open, are there types I need to avoid? Some people warn against this. Is electric contact cleaner to clean dust inside computer safe to use? : buildapc

    The ram sticks are working, I am using them currently in a different laptop.
      My Computer


  4. Posts : 6
    Win 7 professional 64Bit
    Thread Starter
       #4

    Sorry for the delay. I got the WD-40 specialist contact spray yesterday and followed your steps. Unfortunately no change of result. A light on the power button, a small one time sound from the cd slot and fans which start spinning after 2-3 mins.
      My Computer


  5. Posts : 7,351
    Windows 7 HP 64
       #5

    Try one memory stick at a time.
      My Computers


  6. Posts : 6
    Win 7 professional 64Bit
    Thread Starter
       #6

    I did, first one at a time and then a 3rd try with both sticks.
      My Computer


  7. Posts : 7,351
    Windows 7 HP 64
       #7

    Does it give a beep when you start?
      My Computers


  8. Posts : 6
    Win 7 professional 64Bit
    Thread Starter
       #8

    No. Neither when continuously pressing F8 at startup.
      My Computer


  9. Posts : 7,351
    Windows 7 HP 64
       #9

    My diagnostic is that it is dead.
      My Computers


  10. Posts : 6
    Win 7 professional 64Bit
    Thread Starter
       #10

    The ram and hd works, do you think the motherboard itself is dead? Is there anything else I can do to troubleshoot?

    I had a bad experience with this laptop manufacturer (the ones who put it together to my specs), within the first year the laptop went back 4 times due to bad constuction. After this I stopped moving the laptop around and it remained in good shape. On one end I am hesitant to put any more money into this machine, on the other hand it did work fine just a few weeks ago so if it's a small thing the cost would be worth it. The laptop is about 6 years old.
      My Computer


 
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