The resolution of the computer resolution can not be adjusted

Adjust the screen resolution: right click on the blank space ——> select “property">——> switch to “set> tab——> in “ Rate & rdquo; There is a slider below, you can adjust it by pulling left or right. ——> Under normal circumstances, the screen resolution has at least five modes, such as 800× 600, 1024 & times; 768, 1152 & times; 864, 1280× 720, 1440× 900, etc.; in most cases, the resolution cannot be adjusted because the graphics card driver is abnormal or the graphics card driver is not installed; the resolution of the screen resolution cannot be adjusted: One step: Check if the graphics card driver is normal, right click on the "My Computer" &&quo;——>Select "Properties"——>Switch to <;Hardware” tab—&mdash ;>Click “Device Manager”——> In the pop-up "Device Manager" window, expand the "display card" , see if there is an exclamation point, a question mark, or an exclamation point or question mark in other locations in the device manager —— > if there is, the graphics card driver or other hardware driver is abnormal or not installed. The second step: Baidu search & ldquo; drive wizard & rdquo;, download and install the driver wizard software & mdash; & mdash; > After opening the driver wizard interface, the program will automatically detect the current system abnormal or no driver hardware device, to be tested After that, click ““Upgrade Driver” under “Basic Status” and wait until the upgrade is complete. Restart the computer; the resolution cannot be adjusted. Step 3: Repeat the first step to view all the devices in the Device Manager. Exclamation mark, question mark, etc. disappeared. If it disappears, the driver is installed properly. Right click on the blank space ——>Select “Properties" ——>Switch to “Settings" tab Medium ——> has a slider below “screen resolution”, pull left or right Whole, you can not adjust the resolution should be able to solve the problem. In short, basically the problem that the resolution cannot be adjusted is caused by the abnormality of the graphics card driver or the installation of the graphics card driver. Reinstalling the graphics card driver can solve the problem.