What about Windows 7 screen blur?

One, with the graphics driver.

1, to see if the graphics driver is not installed well:

2. See if the video card is installed:

1, on the computer desktop, right click on the "Computer"-"management" option, as shown in the figure.

2, into the "Device Manager" in the "display adapter" if there is a yellow exclamation mark is the problem of the graphics driver, as long as the reinstall can be resolved.

Second, resolution-related

1, in the computer desktop in the blank right click on the pop-up menu click "Screen Resolution" and then the following figure we "manual adjustment" can be.