Three common troubleshooting tips for Windows 7 systems

Windows 7, like previous WinXP, has some strange problems after installing the application software, listing three common failures in Win7 usage and their solutions, hoping to help everyone with good win7!

One, press win key +e cannot open Resource Manager

If you have some optimization software installed in Win7 (such as optimization software that does not support Win7), some odd problems can occur, and the common failure is to press the win key +e but not to open the resource manager.

Cause of failure: this is because the Optimization software modified some important items in the Win7 registry, causing the data to be Win7 when the project was invoked, so before installing the software, you must first check that the software can be used on the Win7, and do not install if it is not available. Lest there should be strange faults.

Workaround: Click the menu "Start/Run" in Win7, enter regedit and return to open the registry, and navigate to Hkey_classes_rootfoldershellexplorecommand, Double-click the Delegateexecute item in the right window (if you don't have the item to create a new one, the type is a string value), enter it as the value in the pop-up dialog box, and the failure can be eliminated after restarting.

Two, U-disk can not be used again after the use of the

in the Win7 USB disk inserted into the computer, the system can be correctly identified and used, but if you right-click on the taskbar in the U disk icon, choose to exit the U disk, and then insert a U disk, the system is not recognized, in order You can reboot the system, if you do not want to reboot the system can also be the following operation troubleshooting:

Workaround: Go to the Win7 system desktop, right-click "Computer" and select "Properties", click "Device Manager" in the upper-left corner of the pop-up Properties window, and then eject the Device Manager window and click Expand Universal Serial Bus Control ", there are many rows of" USB Root Hub "Device list, in turn, right-click each" USB Root hub ", select the" Disable "menu, and then enable it, so for each" USB root hub "so operation, and then do not need to restart to use the U disk again!

Third, some DVD optical drives cannot use

Some DVD optical drives because they are not compatible with Win7 and Win7 cannot recognize them. For example, you right-click "My Computer" on the Win7 desktop, click on the "Properties" menu, in the Pop-up Properties window on the left of the "Device Manager", if you see there is no DVD items, but there is a yellow exclamation point, there is a problem with the data signature or prompt "Windows cannot verify this device'sData signature ... "And so on, which means the DVD drive is not recognized.

Cause of failure: As explained by Microsoft, this is due to the new power management features of the SATA driver (msahci.sys) Adaptive Link Power Management (ALPM), which results in the ALPM features of some DVD optical drives not being enabled and executed properly. So Win7 cannot recognize and use the optical drive.

Workaround: Microsoft has not yet launched a patch to solve the problem, it is recommended to use the Bcdedit command to solve such problems, by clicking the menu "Start/All Programs/attachments" in Win7, right-clicking "command Prompt", and selecting "Run as Administrator" in the pop-up menu. With this pop-up command Prompt window, enter the following bcdedit command and carriage return.

Tips

for easy troubleshooting, it is recommended that you right-click Computer on the Win7 desktop, select Properties, click Advanced System settings on the left, enter the Advanced tab in the pop-up window, and click Settings under Startup and recovery to pop up a window , check "Write an event to the System log" under system failure so that each system failure will be automatically recorded and, in the future, if a failure occurs, you can view the crash record through the Windows Diagnostics software to find the solution