LCD MONITOR HDMI SHOWS NOTHING NEITHER FOR BIOS - No signal

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  1. Posts : 224
    W10 pro
       #1

    LCD MONITOR HDMI SHOWS NOTHING NEITHER FOR BIOS - No signal


    HP Pavilion Elite m9372.gr Desktop PC 2008-2009
    serial number : *************

    part_number : FZ110AA-B1A

    purchaseyear : 2009-03-**


    INTEL Core 2 Quad CPU Q9300 @ 2.50GHz RAM 8GB / 64BIT OS,

    WINDOWS 10 HOME

    OLD PROBLEM REAPPEARED - this symptom existed in the past but bypassed -

    I use this PC at most 2-3 times a month --- because having other newer PC

    PC now Do Not startup - ANALYTICALLY:

    When starting it - pressing Power ON - LED is blue in front of, to indicate Power ON, Fan is working

    but, Do Not light the LED for HDD/SSD

    LCD MONITOR HDMI SHOWS NOTHING NEITHER FOR BIOS - DARK/BLACK SCREEN

    NEEDed force to shut down by pressing Power-On for 5-seconds

    Sometimes auto restart when forced to shut down with the same problem, and sometimes Not restart auto

    what to try ????

    - - - Updated - - -

    is it the Motherboard battery?
      My Computer


  2. Posts : 18,044
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #2

    Hello @lse123,

    OK, as a start, here are a few things to try . . .

    [1] Take the casing panel off and check that the connections are firmly in place, especially the HDD/SSD cables.
    [2] There is probably a reset button on the Desktop, use a pen or something to push it it when turned ON.
    [3] Can you Boot into Safe Mode, I think it is continuously pressing the F8 key on an HP as soon as you turn ON.
    [4] Have you got an Installation USB that you could Boot into to see if that works.
    [5] UNPLUG everything except the Mouse and Keyboard and try.
    [6] Have you got ANY External HDD's/SSD's/USB's attached.
    [7] Have you got a CD/DVD inserted.
    [8] You could try replacing the CMOS battery.

    I hope this helps.
      My Computer


  3. Posts : 126
    Windows 10
       #3

    I had a similar problem with an older motherboard. Replacing the cmos battery took care of it. A new one only costs a dollar at Walmart so why not give it a shot.
      My Computers


  4. Posts : 224
    W10 pro
    Thread Starter
       #4

    exploder said:
    I had a similar problem with an older motherboard. Replacing the cmos battery took care of it. A new one only costs a dollar at Walmart so why not give it a shot.
    Was you PC also an HP,... or...? So your display after startup was completely blank & black... no signal... correct?
      My Computer


  5. Posts : 126
    Windows 10
       #5

    It wasn't an HP. It was an Asus M5A97 but the same symptoms. At first I thought the board had failed but as soon as I swapped out the battery it was posting again. You could just swap the battery from another PC and see if it posts.

    I actually do have an HP with a core 2 quad! It's battery failed but it still would post. It just kept telling me the time was wrong.
      My Computers


  6. Posts : 224
    W10 pro
    Thread Starter
       #6

    Is it worth try
    Disconnect DVD DRIVE POWER
    REMOVE PCI DIALUP MODEM/FAX CARD

    RETRY to boot...?

    Again failure
    Try replace CMOS Battery...?
      My Computer


  7. Posts : 18,044
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
       #7

    Hello @lse123,

    lse123 said:
    Try replace CMOS Battery...?

    It would NOT hurt to try!
      My Computer


  8. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2
       #8

    Hi,
    Probably bad hdmi connection
    Easiest solution is to try a vga or dvi connection
      My Computers


  9. Posts : 224
    W10 pro
    Thread Starter
       #9

    What about try THE TWO FIRST OF ...
    Is it worth try
    Disconnect DVD DRIVE POWER
    REMOVE PCI DIALUP MODEM/FAX CARD

    RETRY to boot...?

    Again failure FINALLY
    Try replace CMOS Battery...?

    I DO NOT THINK IS HDMI, Since PC Not boot, only fans listen, and hdd LED is off, also when press a key in keyboard is like did nothing... no LEDs light, i think may PSU is overloaded or CMOS Battery nedcs replacement...
      My Computer


  10. Posts : 7,724
    3-Win-7Prox64 3-Win10Prox64 3-LinuxMint20.2
       #10

    Hi,
    Pci-e card can confuse bios too.

    When it does this just remove and reconnect the hdmi cable on the pc see if it connects after.
      My Computers


 

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