My MacBook has been disabled. Could anyone help me in fixing this issue?

Is there anyone who could tell me the reason behind I am seeing burn marks on my MacBook pro screen?

Recently I have changed my password and when I tried login it is asking me old password. What could be the possible reason of it.

I’ve noticed a dark shadow or dim area appearing on my computer monitor, and I’m not sure what’s causing it. Could it be related to display settings, a graphics issue, screen damage, backlight problems, or another hardware fault? What troubleshooting ...

My monitor suddenly started showing horizontal lines across the screen. They appear during startup and stay visible even after restarting. I’m not sure if the issue is caused by the monitor, graphics card, or a loose cable connection.

I’m seeing red vertical/horizontal lines on my PC screen, and I’m not sure what’s causing them. The issue may be related to the monitor, GPU, cable connection, or software/drivers. Has anyone dealt with this problem before, and what steps helped ...

I noticed a small ant trapped inside my screen (between the display layers), and it’s quite distracting. Has anyone dealt with this before? What’s the safest way to remove it without damaging the screen? Are there any methods that worked ...