When the system is used for a long time, there will inevitably be problems like this or that there are users in the process of using Win7 system, in the boot system when the encounter black screen fault, some boot directly black screen, some boot black screen but also can see the mouse, according to these two situations, the master summed up the experience to share with you the corresponding measures.
First, the boot direct black screen
First look at your monitor power is connected, if connected, then see if your monitor switch is turned on;
Second, see if your host power LED is on or off, consider your power supply may be broken, if you listen to the sound of the host after the electricity, if a very crisp ' beep ' and power, CPU, video card fans are turned to the words, it is necessary to consider whether your graphics card is a problem, if it is continuous ' Beep beep, see if your video card and the memory of the gold fingers due to the oxidation of the contact is not good, polished them again installed, and then boot;
If still black screen, it is necessary to look at your CPU and his power supply module, to see whether the capacitor around the CPU is a slurry, smell the smell of burnt paste, if there is a smell, is the hardware damaged, take to the computer shop repair it.
Second, win7 boot black screen, but can see the mouse
1. At the same time press the keyboard Ctrl+alt+del (of course, before this step, first of all to ensure that the computer connected to the keyboard), in the list to select "Start Task Manager", which will be pop-up "task Manager",
Click the top left corner menu "File"-"New task" with the mouse
In the Create New Task dialog box that pops up, type "explorer" point "OK",
This is the normal display of the desktop on the system, which completes the first step and is completely resolved by following the steps below.
2. Click the "Start" button in the lower left corner of the screen, enter "regedit" into the text box, press ENTER to enter the registry,
Expand the registry option in turn:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows Ntcurrentversionwinlogon, (click the corresponding item with the mouse to expand its subkeys, find the appropriate option in the subkey, Find the Winlogon item in turn.
Find the Winlogon item, click it with the mouse, locate the "Shell" item in the list on the right side of the screen, right-click on it, select "Modify" in the Drop-down menu,
In the Edit String dialog box that pops up, delete the contents of "Explorer.exe" in "Digital data", click OK, and close the registry,
At this point, the problem should be fully resolved, in addition, the problem is due to the virus caused, please check the computer drug.
Boot black screen problem is a lot of users in the use of Windows system often encountered situation, even the very stable Win7 system is no exception, will encounter similar problems, users as long as the introduction of the situation to operate, I believe that the problem can be resolved quickly.