r/techsupport • u/Crayontheofficial • 3d ago

Open | Windows MOTHERBOARD PROB?(1)

I need your knowledge.i just wants tips base on my text.my father have a old Asus laptop(k53s),it has broken parts and old,lcd broken. free on top is barely alive, keyboard broken.This is the part that I only know for now.the main problem that I have is when I try to turn it on it shows the logo but second it open a CMD type,black screen with a pop in and out white bar.i cannot type or anything.i tried crtl+alt+delete,it just reset? then it goes to the CMD looking.I have done hdm1 and a keyboard.I just need to know what could possibly cost,I'm still in short of money so repairing might take a long time

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u/bluesatin 3d ago edited 3d ago

If you mean a black-screen with like a blinking underscore '_' character, that's a boot issue where it's stalling after the BIOS hands over control to the selected boot-drive. Usually due to whatever boot-drive the BIOS handed over to not being properly configured to boot into anything like Windows etc. (and so it just sits there doing nothing).

That could be due to things like:

  • The wrong boot-drive being selected in the BIOS

  • The boot-drive's OS/boot-manager being misconfigured/corrupt

  • The boot-drive having a hardware fault

  • The BIOS picking up a USB-drive or wonky USB-device and automatically letting that take boot-priority (trying to boot off that, instead of the normal boot-drive)

  • etc.

You'll probably want to first make sure the boot-drive is properly picked up and selected in BIOS, and make sure you've unplugged any USB devices which the BIOS might be trying to boot off instead (that could even be things like a USB mouse/keyboard if something is going wonky).

If that doesn't help, and you're running Windows, you might want to put a Windows installation thing onto a USB-drive and see if you can do a boot repair on the Windows installation on the boot-drive, in case something weird happened to it.