Win7 desktop computer can not adjust the resolution how to do

1, first check whether the monitor support you want to set the resolution, the specific method is, the mouse right click on the computer space to select "Screen resolution" option, and then click "Advanced Settings" item;

2, then in the bounce out of the dialog box, under the "Adapters" tab, click the "List all Modes" button, you can see the resolution in the support, if you do not have the necessary to set the statement does not support, so can not adjust.

3, to confirm whether there is an external display, if the external display to see if the replication mode, replication mode resolution can only be set to the maximum resolution value, is an external device and the built-in display minimum resolution. For example: The computer resolution is 1280*1024, the external device resolution is the most 1024*768, when copying mode, the largest can set the resolution is 1024*768. If you need to set the resolution separately, you can use the "extended" display so that the two screen resolutions can be set individually.

4, update the video card driver, the network card driver exception will also cause the resolution load is not complete oh, if the random with drive installation CD-ROM, we recommend the use of CD-ROM driver.

5, or not, replace the video signal line and other monitor test. Different display using the control chip is different, there may be compatibility problems, or not to take to repair or recommend the use of the best resolution on it.