Win7 system boot black screen problem how to solve

If the system is used for a long time, it will inevitably have such a problem. In the process of using the win7 system, the user encounters a black screen failure when starting the system, some are directly black screen, some are black screen but can also see the mouse. According to these two situations, the master summed up the experience to share with you the corresponding solutions.
One, boot direct black screen
First look at whether your monitor power is connected, if connected, then see if your monitor switch is turned on;
Second look at your host power indicator is bright If it is not bright, consider that your power supply may be broken. If it is bright, listen to the sound of the host after power-on. If it is very clear, & quoquo; 嘀 & rsquo; and the power, cpu, graphics card fans are transferred, then you should consider See if your graphics card is out of the question, if it is continuous & lsquo; 嘀嘀嘀 & rsquo; sound, see if your graphics card and memory gold fingers are not good contact due to oxidation, polish them reload, and then Boot;
If it is still black, then look at your CPU and his power supply module, see if the capacitor around the cpu burst, smell if there is a burnt smell, if there is smell, it is hardware damage Go to the computer store for repair.
Second, win7 boot black screen, but can see the mouse
1. Press the keyboard Ctrl+Alt+Del at the same time (of course, before this step, first ensure that the computer is connected to the keyboard), select &ldquo in the list ; start task manager & rdquo;, this will pop up "task manager",
use the mouse to click the menu in the upper left corner "Files" - "New tasks",
in the pop-up " In the Create New Task & rdquo; dialog box, enter “explorer”point“OK",
This is the normal display of the system's desktop, which completes the first step, and is completely solved by the following steps.
2. Click the "Start" button in the lower left corner of the screen, enter "ldedit" in the text box, enter, press enter to enter the registry,
expand the registry options:
HKEY_Local_MachineSoftwareMicrosoftWindows NTCurrentVersionWinlogon, (Click on the corresponding item with the mouse to expand its sub-items, find the corresponding option in the sub-item, and find the Winlogon item in turn).
Find the winlogon item, click with the mouse, find the ”Shell” item in the list on the right side of the screen, right click on it, in the drop-down menu, select “Modify “,
In the popup In the "Edit String" dialog box, delete the contents of "Digital Data" and "explorer.exe", click OK, and close the registry. At this point, the problem should be completely solved. In addition, The problem is caused by a virus, please check the computer.
The problem of booting black screen is a situation that many users often encounter when using windows system. Even a very stable win7 system is no exception, and similar problems will be encountered. Users only need to operate according to the above-mentioned situation. I believe that the problem can be solved quickly.