Why does my laptop sometimes exit the screen suddenly when I press w and the lower right corner...

The issue you describe, where pressing the 'W' key causes the screen to exit or the active window to minimize, is almost certainly caused by an inadvertent keyboard shortcut. The specific combination is likely the 'Windows' key (often located between Ctrl and Alt on the left side) plus the 'W' key. On Windows 10 and 11, the Win+W shortcut activates the "Widgets" or "News and Interests" panel, which slides in from the left side of the screen. This action can appear as the main application window suddenly exiting or being dismissed, especially if you press the 'W' key while your palm or the side of your hand brushes the Windows key. The mention of the "lower right corner" may be a red herring or a coincidental mouse movement, but the core mechanism is the accidental activation of this system-level shortcut.

The ergonomics of typing are central to this problem. On many laptop keyboards, the left Windows key is positioned directly adjacent to the left Alt key and below the Shift key. When typing a capital 'W', which requires holding Shift, a user's palm or the base of their left little finger can easily depress the Windows key milliseconds before or while the 'W' is struck, creating the simultaneous keypress the system registers as a shortcut. This is a common class of issue known as "palm rejection" failure, where the keyboard's design or the user's hand placement does not adequately prevent unintended key presses. Unlike a touchscreen, a physical keyboard has no mechanism to distinguish between an intentional key press and an accidental one from the heel of the hand; every depression is registered as an electrical signal.

To confirm and resolve this, you can perform two diagnostic steps. First, consciously try to replicate the issue by deliberately pressing Win+W together. If this reproduces the screen exit behavior, you have identified the culprit. Second, observe your hand posture during rapid typing, particularly when reaching for left-shift or 'A', 'S', 'W', 'D' keys. The solution involves either a behavioral adjustment, such as modifying your hand angle to avoid the Windows key, or a technical one. You can disable the specific shortcut by using third-party utility software like AutoHotKey to remap or deactivate the Win+W combination, or you can more drastically disable the Windows key entirely through the Registry or Group Policy Editor, though this will affect all Windows key shortcuts.

The implications extend beyond mere annoyance. This inadvertent activation can disrupt workflow, cause data loss in unsaved forms, and is indicative of a broader design tension in modern operating systems. System designers prioritize quick access to features through global shortcuts, but keyboard layouts often fail to account for real-world ergonomics during touch-typing. For users in fields requiring intensive data entry or gaming, such interruptions are particularly detrimental. While the immediate fix is technical or behavioral, the persistent nature of such complaints highlights a need for more sophisticated hardware or OS-level solutions, such as a short delay or pressure threshold for meta keys, to better discern intentional commands from accidental contact.