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Windows 7: black screen on start up after windows 7 update

13 Mar 2013   #1
skrillek

64 bit windows 7 home professional SP1
 
 
black screen on start up after windows 7 update

windows did an update now every time i start up my computer i get a black screen i can get taskm working and i can get programs to work, thats how im asking this now. how do i fix this? also there is no task bar.


My System SpecsSystem Spec
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13 Mar 2013   #2
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

So you get logon? But no deskopt at all, all is black? Any text cursor? if so, is it blinking?
My System SpecsSystem Spec
13 Mar 2013   #3
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Run explorer.exe from task manager. Does desktop appear?
My System SpecsSystem Spec
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13 Mar 2013   #4
skrillek

64 bit windows 7 home professional SP1
 
 

I tired to run explorer.exe but nothing happened, and I copyed explorer.exe of another working windows 7 computer and replaced the files but that didn't work either
My System SpecsSystem Spec
13 Mar 2013   #5
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Open regedit

Browse to key HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon
And browse to key HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon
What is the value of "shell" in both keys?
My System SpecsSystem Spec
13 Mar 2013   #6
Kaktussoft

Microsoft Community Contributor Award Recipient

Microsoft Windows 7 Home Premium 64-bits 7601 Multiprocessor Free Service Pack 1
 
 

Quote   Quote: Originally Posted by skrillek View Post
I tired to run explorer.exe but nothing happened, and I copyed explorer.exe of another working windows 7 computer and replaced the files but that didn't work either
So you can run many applications... except explorer.exe? No error message at all?

Don't replace files files .. it can ruine everything!!

Open elevated command prompt Elevated Command Prompt

Now type:
sfc /scannow

post results
My System SpecsSystem Spec
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 black screen on start up after windows 7 update




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