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Windows 7: sfc /scannow won't run | stuck on win7 logo screen

30 May 2015   #1
StevenY500

Windows 7 Ultimate x64
 
 
sfc /scannow won't run | stuck on win7 logo screen

Hi everyone,

When I run sfc /scannow I get to see "this process will take some time." and a blinking cursor whereupon absolutely nothing happens; this screen stays on forever.

My Lenovo Y500 won't boot into win7 anymore all of a sudden and after puzzling around for several hours now I'm close to despair. The laptop freezes at the windows logo screen, so pretty much at the beginning of booting. Laptop won't boot into safe mode, BIOS reset didn't work out, only working option is "repair your computer" from where I'm able to run command prompt. However sfc /scannow seems to freeze / go on forever. I have a Lenovo Y500 with 1TB HDD & 256 GB SSD (system) installed. When I run CHKDSK on the SSD it also freezes in stage 2 at 16%; no error warning, the screen just stays on forever. When I boot from a rescue disk however I'm able to access all the files on the SSD without any errors.

I've added a picture of the sfc /scannow process where I'm stuck.

Looking forward to some advice,

Kind regards
Steven




Attached Thumbnails
sfc /scannow won't run | stuck on win7 logo screen-img_5849.jpg  
My System SpecsSystem Spec
.
31 May 2015   #2
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Hello and welcome Steven mate did you make a repair disk when you first installed the machine or have you still got the installation media? If so take a look at this.
Troubleshooting Windows 7 Failure to Boot &
Startup Repair < if possible or even this might be the way to go - hope you have data backed up
Repair Install
My System SpecsSystem Spec
31 May 2015   #3
StevenY500

Windows 7 Ultimate x64
 
 

Thanks for your reply.

I didn't make a repair disk on the first install, but I do have the installation disk. When I run Startup Repair it yields no errors; it claims everything is fine (ran it several times). I made sure I marked system reserve as active. Rebooted my pc, still freezes at logo screen.

Next I tried:
Code:
Bootrec /Fixboot
Bootrec /Fixmbr
Bootsect /nt60 all /MBR
These commands executed succesfully; rebooting again freezes at logo screen.

Next I tried:
bcdedit /export C:\BCD_Backup
Code:
c:
cd boot
attrib bcd -s -h -r
ren c:\boot\bcd bcd.old
bootrec /RebuildBcd
Again, rebooting stopped at the logo screen.

Windows still won't boot normal, nor in safe mode. Both chkdsk and sfc /scannow processes freeze.

Meanwhile I've booted Parted Magic via CD and ran a health check on both SSD and HDD; both came out healthy.

Next I'm going to delete my system reserve partition and run System Repair again; fingers crossed. If that doesn't work I'm gonna try a repair install.

Kind regards,
Steven
My System SpecsSystem Spec
.

31 May 2015   #4
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

Loks to me like you should be using the E: drive for the Offline SFC to work (although it could be the D: drive)
The C: drive here is the System Reserved partition, of 100MB only - and you do not want to mess with that!
My System SpecsSystem Spec
31 May 2015   #5
StevenY500

Windows 7 Ultimate x64
 
 

Hi,

Maybe it's hard to read in the picture, but I entered the following:

Code:
sfc /scannow /offbootdir=c:\ /offwindir=e:\windows
Is this correct?
My System SpecsSystem Spec
31 May 2015   #6
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

No - both instances need to be either D: or E:
My System SpecsSystem Spec
31 May 2015   #7
StevenY500

Windows 7 Ultimate x64
 
 

Oh thanks. Tried it with /offbootdir=e:\ /offwindir=e:\windows this time. Still no progress, its running now quite some time.

Furthermore a repair install doesn't work since you have to run the installer from within windows, which i cannot access.


Attached Thumbnails
sfc /scannow won't run | stuck on win7 logo screen-image.jpg  
My System SpecsSystem Spec
31 May 2015   #8
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

Did the SFC scan actually start, though? It can take 20minutes or so to complete.

If not, try the D: drive instead.
My System SpecsSystem Spec
31 May 2015   #9
StevenY500

Windows 7 Ultimate x64
 
 

It seems like it didnt even start. D: isnt my system drive, nevertheless I also tried it. I included a picture of my screen. This text stays on forever and my pc doesnt get passed it. Command Prompt doesnt respond anymore from this point on, i cant even enter "exit".

Regards,
Steven


Attached Thumbnails
sfc /scannow won't run | stuck on win7 logo screen-image.jpg  
My System SpecsSystem Spec
01 Jun 2015   #10
NoelDP

Microsoft Community Contributor Award Recipient

Win 7 x64 Home Premium (and x86 VirtualBox VM)/Win10
 
 

This sounds like some heavy-duty corruption
Try running CHDSK from there - you'll need to run CHKDSK D: /R and CHKDSK E: /R
My System SpecsSystem Spec
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