Win7 boot black screen only mouse, can t open the task manager what to do

Symptom: Windows

7 After entering the password, to:

Display the desktop. When direct.

Black screen. There is only one mouse indication left, explorer

If the process is not started, you need to manually start the desktop.

Cause analysis: Windows

7 boot black screen may be caused by a variety of things.

Rogue software. or caused by a virus Trojan.

Solution: Boot up the computer while the system enters.

windows

Before the launch screen, press.

F8 key; Once the operating system multi-mode boot menu appears, select safemode with the arrow keys on your keyboard.

Safe mode. Start your computer.

Once the startup is complete, click Start, in.

Enter. Open it.

hkey_current_user

software\microsoft\windows\currentversion\policies

system]

The path is found. policies\system

items to see if there is.

Such suspicious strings.

In the data bar on the right, you may find a string like this:

shell"="c:\windows\

c:\windows\

system32

among them. Actually, it's one.

Malware. When processing, just put the above.

Registry keys. The last C: Windows System32 section can be deleted.

Once you're done, restart your computer and you should be fine; Recommended:

Do it again. Trojan horse killing.

There is only the mouse on the black screen when booting up.

Summary. 1. The solution is as follows:

1) F8 enters the advanced command, select the last correct configuration startup.

2) F8 enters the command window, if you have a backup, use one click to restore.

3) Not yet, redo the system.

Note: After powering on, press F8 directly, don't wait for him to go black and press again.

2. Other circumstances:

1. Enter safe mode, right-click - My Computer - Properties - Hardware - Device Manager - check if there is a problem with the graphics card driver Whether there is a question mark or exclamation mark; If there is a problem with the driver, use the driver life or driver wizard to uninstall the graphics card driver and then update and install it.

2、.The monitor does not support the current resolution, if you have previously updated the graphics card driver or adjusted the system resolution to a higher level, the monitor cannot support the change of resolution, this may also happen, if it is Desktop-right-click Properties-Settings-Resolution Down.

3. The graphics card driver display is normal, and it can enter the safe mode or VGA mode normally, and when you open the browser scroll wheel and pull down the web page up and down, the web page flashes and flashes. But it still can't start normally, that is, the graphics card is broken, you can find another graphics card to try. If it boots normally, you need to replace the graphics card.

After the computer starts, the screen goes black, only the mouse is displayed, and the task manager cannot be opened.

1. The solution is as follows:

1) F8 enters the advanced command, select the last correct configuration startup.

2) F8 enters the command window, if you have a backup, use one click to restore.

3) Not yet, redo the system.

Note: After powering on, press F8 directly, don't wait for him to go black and press again.

2. Other circumstances:

1. Enter safe mode, right-click - My Computer - Properties - Hardware - Device Manager - check if there is a problem with the graphics card driver Whether there is a question mark or exclamation mark; If there is a problem with the driver, use the driver life or driver wizard to uninstall the graphics card driver and then update and install it.

2、.The monitor does not support the current resolution, if you have previously updated the graphics card driver or adjusted the system resolution to a higher level, the monitor cannot support the change of resolution, this may also happen, if it is Desktop-right-click Properties-Settings-Resolution Down.

3. The graphics card driver display is normal, and it can enter the safe mode or VGA mode normally, and when you open the browser scroll wheel and pull down the web page up and down, the web page flashes and flashes. But it still can't start normally, that is, the graphics card is broken, you can find another graphics card to try. If it boots normally, you need to replace the graphics card.

Then it's back to the black screen.

Then you can install the system.

It should be a system issue.

Uh-huh. Remember to give it a thumbs up, little brother.