Windows 7 control panel "devices and printers" can not open the reason and solution

Recently, when the company used the Win7 system to use the printer, it was ready to go to the control panel "Devices and Printers" option to make some settings, and suddenly found that "devices and printers" could not be opened, clicked no response, this problem I believe that many users have encountered, what is the cause? How to deal with this problem, the following small series for everyone to answer in detail.
Win7 control panel "Devices and printers" can not be opened
Cause analysis:
1, the device and printer corresponding drive failure caused by the problem can not be opened
2, the service is not open
3 , system file corruption
Solution:
1. Update the driver. You can use the driver wizard, Lu Master and other system tools for driver check, if there is any problem, please click repair.
2. Open the service. Many books with Win7 systems can cause devices and printers to fail because of the addition of Bluetooth devices.
Open method: Click the computer icon &rarr on the win7 desktop; press the right mouse button → click on the right-click menu bar “ management & rdquo; → select “ service and application & rdquo; & rarquo; click & ldquo; service & rdquo ;→ find bluetooth service, bluetooth support service, print spooler service, double-click to open → set these two services as "start" & rdquo; or "automatic".
3. If the system file is damaged, you need to reinstall the Win7 system. Of course, you can also enter the security mode for system repair. However, reinstalling the win7 system is the fastest and most direct solution to the problem. Pay attention to data backup before reinstalling the system.
In most cases, it is caused by the optimization tool. Some optimization tools disable some of the control panel options that we don't use very often, which can't be opened. Just re-enable it, and if it is a system file. Damage, then only re-installed, here also recommend Win7 installed special version, let you install Win7 system quickly, stably, safely and quickly.