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Aser Aspire 4720, not booting up.

Discussion in 'Windows 10' started by Bilal Ahmed Qureshi, Nov 16, 2020.

  1. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Operating System:
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    My old Acer Aspire 4720 stopped booting, turns on n HDD light goes off after 3-4 seconds while screen remains blank. If power button is pressed again, it shuts off.

    I created a wincrisis flash drive to flash BIOS, assuming that it could b a BIOS problem, pressing Fn+Esc doesn't load the BIOS Flash, instead power LED starts blinking as it does when computer is in sleep mode. Any help?
     
  2. allheart55 (Cindy E)

    allheart55 (Cindy E) Administrator Administrator

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    Welcome to Computer Help Forums.
    Have you tried pressing the F2 key at boot to enter the BIOS?
     
  3. allheart55 (Cindy E)

    allheart55 (Cindy E) Administrator Administrator

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    Hard Drive:
    WD Caviar Black SE HDD 640 GB - WD Caviar Black SE HDD 500 GB
    Graphics Card:
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    Power Supply:
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    Pressing Fn and Esc disables your hard drive and your screen, in order to save battery power.
    It doesn't allow you to enter the BIOS or boot from the flash drive.
     
  4. Seth Anthony

    Seth Anthony Registered Members

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    Does anything appear on the screen when you try to start the laptop. If so, what exactly appears?
     
  5. Seth Anthony

    Seth Anthony Registered Members

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    If it's totally blank with nothing appearing, then remove the battery and unplug the Ac Adapter. Now hold the power button down for about 30 seconds. Release the power button, plug in the Ac Adapter but leave the battery out. Try turning it on.
     
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  6. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Yes, nothing happens
     
  7. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    I searched over the net n people say that create a wincrisis flash, plug it in n press Fn+Esc n then press power button to flash the bios
     
  8. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Nothing appears on the screen, after pressing power button,

    Caps n Num lock LEDs blink once, while HDD LED remains on for 3-4 sec n then turns off. Power button is still on but nothing happens afterwards
     
  9. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    That was the first thing I did, no results
     
  10. Seth Anthony

    Seth Anthony Registered Members

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    Ok. Here's the next steps to try:

    1) Use an HDMI cable and see if you get a display using a different monitor or tv.

    2) Can you get at the ram sticks? If so, it probably has two sticks of ram, so try one at a time.
     
  11. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Already did both,

    No display on external screen n behaves the same way on either ram or both in place
     
  12. Seth Anthony

    Seth Anthony Registered Members

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    Well then, it's now confirmed that you have a motherboard problem, and that is generally considered not feasibly or practically repairable.
     
    Last edited: Nov 17, 2020
    allheart55 (Cindy E) and Tony D like this.
  13. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Hmmmm....

    Many thanks for the help dear.
     
  14. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Can this be due to a dead CMOS battery, some fellows do believe in it?
     
  15. allheart55 (Cindy E)

    allheart55 (Cindy E) Administrator Administrator

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    No, a dead CMOS battery will not prevent the computer from booting.
    It just won't keep the time and date.
     
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  16. Seth Anthony

    Seth Anthony Registered Members

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    A dead cmos battery wouldn't cause the issue you're having.
     
    allheart55 (Cindy E) likes this.
  17. plodr

    plodr CHF Adviser CHF Advisers

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  18. Bilal Ahmed Qureshi

    Bilal Ahmed Qureshi

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    Plodr, I was just trying to find a solution for my issue, its not my hobby

    I posted on different forums coz each could possibly have a different set of nice helping people.
     

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