Windows 10: black screen with blinking line in upper left corner

Discus and support black screen with blinking line in upper left corner in Windows 10 Installation and Upgrade to solve the problem; I am running windows 10, from windows 8. Free download. I was usinf Skype, and the sound went off. I tried to restart my desktop, and after upgrade... Discussion in 'Windows 10 Installation and Upgrade' started by 123john, Apr 19, 2016.

  1. 123JOHN
    123john Win User

    black screen with blinking line in upper left corner


    I am running windows 10, from windows 8. Free download.
    I was usinf Skype, and the sound went off. I tried to restart my desktop, and after upgrade and restart, screen just black with blinking line.
    What to do to repair windows 10?
    Please advice.
    Best regards, John From Denmark

    :)
     
    123john, Apr 19, 2016
    #1
  2. BIRCH2016
    Birch2016 Win User

    Black screen and Blinking curser after upgrade

    Original Title: Blinking curser

    At first startup after updating to Windows 10 screen is black with curser blinking in upper left corner. No response from mouse or keyboard. What is the solution?
     
    Birch2016, Apr 19, 2016
    #2
  3. JANICESTONER
    JaniceStoner Win User
    My windows 10 black screen, white line i upper left corner this morning. What do I do?

    My windows 10 black screen, white line i upper left corner this morning. What do I do?
     
    JaniceStoner, Apr 19, 2016
    #3
  4. DALCHINA
    dalchina New Member

    black screen with blinking line in upper left corner

    Hi, suggests it's not seeing your disk at all - nothing to boot from.

    Check your connections, check your disk - e.g. using a live boot disk or connect it to another PC.

    If you can manage to read it again, run chkdsk on it.
     
    dalchina, Apr 19, 2016
    #4
  5. COUNTMIKE
    CountMike New Member
    Actually looks more like BOOT sector error, if disk wasn't working at all it would ask for "Bootable disk" or something like that depending on BIOS.
    Check BIOS to see if disk(s) are detected.
     
    CountMike, Apr 19, 2016
    #5
  6. 123JOHN
    123john Win User
    sorry, I need help HOW to do, not WHAT to do.
    live bood disk?? makes no sence to me
    Best regards, John
     
    123john, Apr 19, 2016
    #6
  7. 123JOHN
    123john Win User
    How to do?
    Check BIOS to see if disk?? are detected. Makes no sence to me.
    Best regards, John
     
    123john, Apr 19, 2016
    #7
  8. 123JOHN
    123john Win User

    black screen with blinking line in upper left corner

    Sorry. it does not do any help to me at all.

    I do not ask WHAT to do, but HOW to do.
    Best regards, John
     
    123john, Apr 19, 2016
    #8
  9. DALCHINA
    dalchina New Member
    Try this:
    1. Make sure you have Window 10 install disk or bootable medium e.g. flash drive that matches your current Windows build.
    I'll assume it's a DVD.
    2. Open your disk drive if it's a DVD
    3. Insert DVD
    4. Close disk drive
    5. Make sure you know how to get your PC to boot from said DVD
    6. Do a startup repair
    Startup Repair - Run in Windows 10 - Windows 10 Forums

    If you're very lucky, your problem will be fixed. If not please post back.

    But it should tell you if it sees your HDD or not.

    If any of the terms I used are unfamiliar to you, Google or other search engine will help.

    CAPITALS ARE UNFRIENDLY.
     
    dalchina, Apr 19, 2016
    #9
  10. DALCHINA
    dalchina New Member
    Hi- depends on the BIOS as you say. My laptop experience is of the _ top left.. no message if no disk.
     
    dalchina, Apr 19, 2016
    #10
  11. 123JOHN
    123john Win User
    Sorry.
    I do not have any windows 10 disk. I got windows 10 as a free download/upgrade.
    My pc does start up, meaning: black screen with some start up informations as it always has done. After a short period, I have black screen with blinking line (Cursor?) at upper left corner.
    Thanks for your assistance.
    Best regards, John
     
    123john, Apr 19, 2016
    #11
  12. DALCHINA
    dalchina New Member
    dalchina, Apr 4, 2018
    #12
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black screen with blinking line in upper left corner

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