What to do if the monitor is not in good resolution

Today turned on the computer to find a strange thing, see the Windows login box is very vague, as if the resolution suddenly changed, into the system, the desktop icon is not clear, it must be the display resolution is small, but how can the resolution change?

The problem seems not so simple. It is not so simple, open the display settings, found that there is no 1440*900 this resolution, has been using this resolution for two years, suddenly no, strange ~ thought that the graphics card problem, with the Driver wizard to download the latest graphics driver installation, found the problem still, and then to ASUS website download Display drive, After the installation problem still exists, it is now possible to confirm that it is not a problem with the video card at all. On the Internet is the problem of the monitor and the problem of the line, so the monitor uninstalled the reinstall installed, invalid.

Switch to the netbook, found that the default best resolution 1024*600 also disappeared, whether the original screen or external monitors have no previous resolution, this tragedy, the display of the picture are disproportionate, serious deformation. Here, some people think that only by reloading the system to solve, however, I do not think that the reload system can solve this problem, but there is no other way, had to restore the system, restore completed, start to find a terrible thing, the resolution is still unchanged, the previous resolution completely missing, completely in the expected.

Finally check the VGA signal line, found no plugging, after the good, remove the monitor restart, 1440*900 resolution finally came back, so that.

Cause analysis: The signal line is not plugged in, individual pins open, causing the graphics driver does not recognize the target display size, so given the wrong resolution.