my laptop wont turn on


  1. Posts : 212
    windows 10 pro build 21h2
       #1

    my laptop wont turn on


    my laptop is the white hp 15-r23ne. it was working one hour ago. it was on battery and the battery was about to empty. i was busy somewhere else. i heard the laptop beep a few times and then it switched off

    now it wont switch on. when i press the power button the red light on the f12 button will turn on and then the white light on the capslock button will start to blink. it blinks twice then a short pause and then it blinks twice again and then another short pause and it repeats. the fan is on, the screen is off and there are no beeps when i try to turn the laptop on

    i removed the battery and i disconnected the power wire and then i help the power button for 15 seconds and then i put back the battery and the power wire and i tried to turn it on. still the same issue. what is happening?
      My Computer


  2. Posts : 25,054
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #2

    cns00 said:
    my laptop is the white hp 15-r23ne. ... the white light on the capslock button will start to blink. it blinks twice then a short pause and then it blinks twice again and then another short pause and it repeats.

    .... what is happening?

    That would seem to indicate a corrupt bios.


    If your computer does not start, light emitting diodes (LEDs) or beeps can help identify the issue. The following information describes the flashing light and beeping error codes and how to resolve the problem.
    HP Notebook PCs - Computer Does Not Start and Emits an LED or Beep Code
      My Computers


  3. Posts : 212
    windows 10 pro build 21h2
    Thread Starter
       #3

    i saw that link but how could the bios become corrupted on its own just like that? the battery was about to die and it beeped a few times before it switched off. i wasnt using the pc and i didnt update anything in it
      My Computer


  4. Posts : 25,054
    10 Home x64 (21H2) (10 Pro on 2nd pc)
       #4

    Difficult to say what happened, particularly as you weren't in the room at the time.

    Without trying to turn it on, with the power cord in does it say the battery is charging? If so, leave it to charge fully before investigating further. At least then we can rule out the battery as a cause of your problems.
      My Computers


  5. Posts : 212
    windows 10 pro build 21h2
    Thread Starter
       #5

    it's ok. anyway the laptop is very old and it's time to retire that laptop. i will remove the hard disk and buy a new laptop
      My Computer


  6. Posts : 39,994
    windows 10 professional version 1607 build 14393.969 64 bit
       #6

    See if you can boot using a USB flash drive.

    Power on and repetitively click F9.

    See if you can boot to the bios by power on and repetitively clicking F2 or F10.



    What is POST?
    Computer POST and beep codes
    POST troubleshooting steps
      My Computer


  7. Posts : 7,124
    Windows 10 Pro 64 bit
       #7

    To be sure of resetting the BIOS you need to remove the main battery and CMOS coin battery which may be hard to access. Also see https://support.hp.com/gb-en/document/c02693833
      My Computers


 

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