What allows you to adjust the screen resolution
Depends on the screen resolution in your system settings. Resolution is generally not application-specific.
To watch 4K video on a 1080p screen, you can downscale the video resolution to fit the screen size using video player software or hardware that supports this feature. This will reduce the quality of the video but allow you to view it on a lower resolution screen.
Go to the System menu, then Preferences, then Screen Resolution.
Click right on your system screen then select and click on scree resolution keyword the new window is open and screen resolution button is show then you can change your screen resolution according by you.
The screen based images should have the same resolution as the screen - usually about 72dpi.
The screen resolution is determined by the monitor not the desktop.
Assuming you meant screen resolution, first go to Control Panel. Then under 'Appearance and Personalisation', click on 'Adjust screen resolution'. After that, next to 'Resolution', click on the drop down menu. From there, adjust the slider until you find your preferred screen resolution. Then, click the 'Apply' button. Finally, the screen resolution will change and you will be given 15 seconds to decide if you still want that screen resolution. If by 15 seconds, you have not made a decision, the screen resolution will be reverted to what it was like before.
Set your video card resolution to the same resolution that your flat screen supports.
Answering "Why does your computer keep changing the screen resolution in vista?"
Native Resolution is 1366 x 768
To change the screen resolution on a mac:Open system preferences by:clicking the apple menu at the top of the screen, then clicking on system preferencesClick on displaysHere, you will find all of the screen resolution settings that your Mac can support.