3 Win7 common fault solutions

First, press Win + E can not open the resource manager

If you install some optimization software in Win7 ( For example, Win7 optimization software is not supported. Some weird problems will occur. Common faults are

1. Press Win+E but cannot open the resource manager

This is because the optimization software has modified some important items in the Win7 registry, causing Win7 to call the project when the data is abnormal and error, so before installing the software, you must first check whether the software can be used on Win7, if not Do not install it, so as to avoid strange faults.

Solution: Click on the menu “Start/Run” in Win7, enter regedit and enter to open the registry, navigate to HKEY_CLASSES_ROOT\\Folder\\shell\\explore\\command, and double-click the DelegateExecute item in the right window. (If there is no new item, the type is a string value), enter it as the value in the pop-up dialog box, and the fault can be eliminated after restarting.

2.U disk can not be used again after exiting

Inserting a USB flash drive into the computer in Win7, the system usually recognizes and uses it correctly, but if you right click on the U disk icon in the taskbar, If you choose to exit the USB flash drive and then insert the USB flash drive again, the system will not recognize it. To solve this problem, you can restart the system. If you do not want to restart the system, you can also troubleshoot as follows: Solution: Enter the Win7 system desktop, right click "ld" "Computer", select "Properties", in the pop-up properties window, click the "Device Manager" in the upper left corner, and then pop up "Device Manager" window, click to expand "Universal Serial Bus Control" & rdquo;, there are many rows of "USB Root Hub" device list, right-click each "USB Root Hub", select the "Disable" menu, and then enable it, so for each "USB Root Hub" All of this, you can use the U disk again without restarting later!

3. Some DVD drives cannot be used

Some DVD drives are not compatible with Win7, Win7 does not recognize them. Them. For example, if you right-click on the Win7 desktop, click "My Computer", click on the "Properties" menu, and click on the left side of the "Device Manager" in the pop-up properties window. If you see no DVD items inside, Instead, there is a yellow exclamation mark indicating that there is a problem with the data signature or a prompt "Windows cannot verify the data signature of this device ……", which means that the DVD drive is not recognized.

Fault reason: According to Microsoft, this is because the new power management function of SATA driver (Msahci.sys) adaptive link power management (ALPM), which causes the ALPM function of some DVD drives not to function properly. Enabled and executed, so Win7 does not recognize and use the drive.

Solution: Microsoft has not yet released a patch to solve this problem. It is recommended to use the bcdedit command to solve such problems by clicking on the menu "Start/All Programs/Accessories" in Win7. Right click on &ldquo ; Command prompt & rdquo;, in the pop-up menu, select "Run as administrator" & rdquo;, then pop up a command prompt window, enter the following bcdedit command and enter.

Generally, in order to facilitate troubleshooting, it is recommended to right-click on the Win7 desktop and click on "Computer" to select "Properties" and click on "Advanced System Settings" on the left to enter in the pop-up window. “Advanced” tab, then click "Start & Fail" under "Startup and Recovery", pop up a window, check " system failure" under "Don't write events to the system log" ;, in this way, each time the system failure will be automatically recorded, in the event of a failure in the future, you can use the Windows diagnostic software to view the crash record and find a solution.