How to solve the black desktop screen after Windows 7 is turned on

Fault description: [p = null, 2, left] user response. after entering the password in Windows 7, a black screen is displayed when the desktop is displayed. Only one mouse is left to indicate that the Explorer process is not started, you need to manually start the desktop. [/P]
Cause Analysis: [p = null, 2, left] This is a driver problem, but the problem still exists after the motherboard BIOS and video card driver are upgraded. Microsoft has explained that the black screen on Windows 7 is not caused by Microsoft patches, but may be caused by various rogue software or virus Trojans. [/P] www.2cto.com solution: [p = null, 2, left] Press F8 before the system enters the Windows Startup screen; after the operating system multi-mode Startup menu appears, select "SafeMode" with the arrow key on the keyboard to start the computer in safe mode. [/P] [p = null, 2, left]
[/P] [p = null, 2. After left.exe is started, open it in a single click, enter regedit.exe in the search box, press the Enter key, and open the Registry Editor. Locate the Policies \ System item in the path [HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies \ System] to check whether there are suspicious strings such as tlntsvi.exe. [/P]
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[/P] www.2cto.com [p = null, 2, left] in the data column on the right, you may find a string similar to the following: "Shell" = "C: \ Windows \ assumer.exe C: \ Windows \ system32 \ tlntsvi.exe "The tlntsvi.exe is actually a malicious program. during processing, you only need to put the" C: delete the \ Windows \ system32 \ tlntsvi.exe section. [/P] [p = null, 2, left]
[/P] [p = null, 2, left] After the task is completed, restart the computer. It should be okay. We recommend that you perform another trojan scan. [/P] author starts from 7