system use for a long time will inevitably have such problems or problems, some users in the process of using win7 system, when booting the system when they encounter black screen failure, some are booting directly black screen, and some are boot Black screen but still can see the mouse, according to these two situations, the master summed up the experience to share with you the corresponding solutions.
First, boot directly black screen
First look at your monitor power supply is connected, if connected, then see if your monitor switch is turned on;
Next, see if your host power indicator is on 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 "ld" in the list Start Task Manager & rdquo; This will pop up "Task Manager",
Click the menu in the upper left corner with the mouse "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_Machine\\Software \\Microsoft\\Windows NT\\CurrentVersion\\Winlogon, (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).
Locate 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 "Edit String" dialog box, delete the contents of "Digital Data" and "explorer.exe" in the dialog box, 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.
black boot problem is that many users in the use of state of the windows system often encountered, even very stable win7 system is no exception, will encounter similar problems, allowing the user to perform under the circumstances described above If you operate, I believe that the problem can be solved quickly.