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Win 7 won't boot, even in safe mode

Last response: in Windows 7
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August 10, 2012 2:31:23 AM

I have a home-built PC that will not boot into Windows. The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. With no other option available, I did a hard reset. I was given the prompt to load into windows safe mode since the pc wasn't shut down correctly, but chose the normal load. However, the system stopped at the Starting Windows animated logo. After waiting, I did a hard reset and chose to load into safe mode. However, when at the "Loading System Files" screen, the process gets stuck after "Loaded: \Windows\system32\drivers\CLASSPNP.SYS.

I have searched various forums and have found other users with this or similar problems, but their solutions have not worked for me. So far, this is what I have tried:

- Changing BIOS settings to Fail-Safe Defaults as well as loading back into Optimized Defaults

- Running a memory disc for a memory check: memory test returned no errors.

- Running the boot disc. I could not find my original boot disc, but I tried running off of a Windows 7 Upgrade disc that I had, which I assumed would work the same. However, after choosing to boot off of CDROM with this inserted, there is a gray loading bar with "Windows is loading files...," but after this completes, the system gets hung up on the Starting Windows animated logo
- I have also created a new boot disc from downloading the .iso and putting it onto a DVD rom, but it doesn't even prompt the gray loading bar. Instead, it brings up the same Windows select mode as a result of it not shutting down properly (giving the option for safe mode or normal mode). The system hangs up the same way here as if it were starting from the hard drive.

- I have also removed the battery from the motherboard to reset the bios. This made no change.

- Finally, I have made a visual inspection of all hardware components. Everything is connected and hooked up properly. I cannot find anything amiss.

I have screenshots for any of the screens that I have encountered. If you think this may help, let me know and I can upload them.

My hard disc is a Patriot Torqz 2 64GB SSD and my motherboard is a Gigabyte M68MT-S2. The system is not old (build maybe 6 months ago) and has been running fine up until now.

Thank you very much to anyone who takes the time to read and contribute to this. I know your time is precious and it means a lot to me that you have read this far in effort to help.

More about : win boot safe mode

August 10, 2012 3:09:56 AM

Re-install OS.
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August 10, 2012 3:11:32 AM

That's the thing, as I mentioned, I can't reinstall the OS since the boot disks get stuck the same way when I try to run them.
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August 10, 2012 3:17:18 AM

I can get banned for this, but you should try to create your own win7 disk from other pc, and try to run it, because Update disks dont really work to repair a system.

If nothing boots... you have some hardware troubles
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Best solution

August 10, 2012 5:01:04 AM

HDD is defective. Buy new one.
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August 10, 2012 5:28:47 AM

Reset ur bios properly then choose optimized defaults.

Usually, u need to unplug the power cable then leave jumper on the bios reset position for about 10 seconds but some motherboard require you to remove the battery as well.

I just had the same problem with my old comp that i've been running 6years and suddenly can't boot up and stuck at one .sys file in safe mode. It is using window XP though. It was solved by remove battery and reset method.
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August 10, 2012 10:36:14 PM

Looks like it is the hard drive. I disconnected my hd and ran the boot disc and was able to launch beyond the point where the system was getting hung up.

It sucks that this will cost me, but at least I know the issue.
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August 18, 2012 4:16:55 AM

Best answer selected by Equilibrium31.
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January 30, 2013 3:37:00 AM

me too having the same problem as mentioned above....
Please,.... Please.... help me.....help me...
or i will INSTALL XP over WINDOWS 7.....
please e-mail me at " rockkyy4512@hotmail.com " if found any solution ......
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June 1, 2013 3:13:01 AM

I've had same problem twice. My laptop didn't boot, no access to Win7, safe mode, repair mode, nothing. I couldn't even launch Windows install from usb/cd for it freezed again on startup. Definitely had something to do with the hardware and not only HDD because boot disks did nothing. Finally I found a solution, though it was pretty tricky.

SOLUTION:
I had to install OS into another laptop HD. (In case you have to use external usb drive, you might want to try Ubuntu which allows you to do this). When I put this new drive into my original laptop it somehow fixed the whole system at restart. Magic is that the computer suddenly allowed me to boot from cds and usbs again. So I was curious and tried putting back my infected(?) hard disk drive and it still let me do all the boots and repairs and everything. Just did a fresh install of Windows 7 and didn't even lose my files.
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August 9, 2013 1:07:53 AM

How about removing the battery and trying to start the computer on power only? That way we can check if the battery is the issue or not.

Restart the computer on power only and quickly after the power button is hit, hit the F8 key and check if it goes into Safe Mode. If it doesn't, we can be sure it is not a power issue.

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September 6, 2013 3:21:19 AM

Equilibrium31 said:
I have a home-built PC that will not boot into Windows. The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. With no other option available, I did a hard reset. I was given the prompt to load into windows safe mode since the pc wasn't shut down correctly, but chose the normal load. However, the system stopped at the Starting Windows animated logo. After waiting, I did a hard reset and chose to load into safe mode. However, when at the "Loading System Files" screen, the process gets stuck after "Loaded: \Windows\system32\drivers\CLASSPNP.SYS.

I have searched various forums and have found other users with this or similar problems, but their solutions have not worked for me. So far, this is what I have tried:

- Changing BIOS settings to Fail-Safe Defaults as well as loading back into Optimized Defaults

- Running a memory disc for a memory check: memory test returned no errors.

- Running the boot disc. I could not find my original boot disc, but I tried running off of a Windows 7 Upgrade disc that I had, which I assumed would work the same. However, after choosing to boot off of CDROM with this inserted, there is a gray loading bar with "Windows is loading files...," but after this completes, the system gets hung up on the Starting Windows animated logo
- I have also created a new boot disc from downloading the .iso and putting it onto a DVD rom, but it doesn't even prompt the gray loading bar. Instead, it brings up the same Windows select mode as a result of it not shutting down properly (giving the option for safe mode or normal mode). The system hangs up the same way here as if it were starting from the hard drive.

- I have also removed the battery from the motherboard to reset the bios. This made no change.

- Finally, I have made a visual inspection of all hardware components. Everything is connected and hooked up properly. I cannot find anything amiss.

I have screenshots for any of the screens that I have encountered. If you think this may help, let me know and I can upload them.

My hard disc is a Patriot Torqz 2 64GB SSD and my motherboard is a Gigabyte M68MT-S2. The system is not old (build maybe 6 months ago) and has been running fine up until now.

Thank you very much to anyone who takes the time to read and contribute to this. I know your time is precious and it means a lot to me that you have read this far in effort to help.


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September 6, 2013 3:23:55 AM

the problem is a hardware problem and it on the motherboard try locate the south bridge ic on the board try reflow it and thats it
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September 6, 2013 4:10:06 AM

Might want to check your CD drive (only in regards to the inability to reinstall OS). I ran into the issue recently where the PC had a cheap CD drive that couldn't handle the reinstall of the OS. Once I hooked up an external drive, it reinstalled without any problems. Just an idea before you go buy a new HD.
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September 17, 2013 9:15:00 AM

Equilibrium31 said:
I have a home-built PC that will not boot into Windows. The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. With no other option available, I did a hard reset. I was given the prompt to load into windows safe mode since the pc wasn't shut down correctly, but chose the normal load. However, the system stopped at the Starting Windows animated logo. After waiting, I did a hard reset and chose to load into safe mode. However, when at the "Loading System Files" screen, the process gets stuck after "Loaded: \Windows\system32\drivers\CLASSPNP.SYS.

I have searched various forums and have found other users with this or similar problems, but their solutions have not worked for me. So far, this is what I have tried:

- Changing BIOS settings to Fail-Safe Defaults as well as loading back into Optimized Defaults

- Running a memory disc for a memory check: memory test returned no errors.

- Running the boot disc. I could not find my original boot disc, but I tried running off of a Windows 7 Upgrade disc that I had, which I assumed would work the same. However, after choosing to boot off of CDROM with this inserted, there is a gray loading bar with "Windows is loading files...," but after this completes, the system gets hung up on the Starting Windows animated logo
- I have also created a new boot disc from downloading the .iso and putting it onto a DVD rom, but it doesn't even prompt the gray loading bar. Instead, it brings up the same Windows select mode as a result of it not shutting down properly (giving the option for safe mode or normal mode). The system hangs up the same way here as if it were starting from the hard drive.

- I have also removed the battery from the motherboard to reset the bios. This made no change.

- Finally, I have made a visual inspection of all hardware components. Everything is connected and hooked up properly. I cannot find anything amiss.

I have screenshots for any of the screens that I have encountered. If you think this may help, let me know and I can upload them.

My hard disc is a Patriot Torqz 2 64GB SSD and my motherboard is a Gigabyte M68MT-S2. The system is not old (build maybe 6 months ago) and has been running fine up until now.

Thank you very much to anyone who takes the time to read and contribute to this. I know your time is precious and it means a lot to me that you have read this far in effort to help.


i'm facing the same problem on my laptop Samsung RV413. did you solved this problem? can you share the method to my email awimarchello@yahoo.com .. thanks in advance
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September 29, 2013 2:37:29 PM

Did you ever solve this? I am having exact same issue on my sons laptop and am not finding any answers anywhere. Thanks for reading this :) 
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October 12, 2013 6:06:45 AM

Same problem...how to solve?
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November 1, 2013 4:05:46 AM

I am encountering the same problem on my desktop PC, but only under certain circumstances.
The computer boots fine in case I unplug it after the prior usage and keep it unplugged for a long time. But if I try to reboot my PC without unplugging it, it doesn't load Windows and the process of Safe Mode loading stops at CLASSPNP.SYS file.
Any advises available, please?
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December 9, 2013 5:44:51 AM

As my knowledge HDD may be the pblm. Just replace ur HDD or replace the entire CPU...
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December 11, 2013 8:53:52 AM

i had the same problem. i switched from win 8 to win 7. and ran in safe mode to find that it wouldnt boot past the classpnp.sys file... after some research i found a solution that helped. i started up the bios and switched my video to the vga on the motherboard instead of the vga on my radeon graphics card. it booted up just fine and i found that my graphics card had no driver.. i hope this helps!
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January 6, 2014 3:15:33 PM

Fix that worked for me:

Enter BIOS and go to the settings for your boot HD.

Change the SATA setting from auto to AHCI.

Save and exit BIOS

After restart, you will probably hang again on the starting Windows screen, but the animation will still be working. After a few minutes you should boot into Windows normally with no problems.

Hope this helps.
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January 14, 2014 5:25:23 AM

hi i had the same problem - with hp dv6 - win 7 . tryied ALL - repair, restore, taking away wireless card, restart all safe modes and so on.. it frooze in the initial windowslogo. but then when i took back the graphics card driver to earlier version - standard vga - it worked. I guess the driver disturbed. /It-mecanic
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March 28, 2014 8:26:40 PM

Equilibrium31 said:
I have a home-built PC that will not boot into Windows. The computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. With no other option available, I did a hard reset. I was given the prompt to load into windows safe mode since the pc wasn't shut down correctly, but chose the normal load. However, the system stopped at the Starting Windows animated logo. After waiting, I did a hard reset and chose to load into safe mode. However, when at the "Loading System Files" screen, the process gets stuck after "Loaded: \Windows\system32\drivers\CLASSPNP.SYS.

I have searched various forums and have found other users with this or similar problems, but their solutions have not worked for me. So far, this is what I have tried:

- Changing BIOS settings to Fail-Safe Defaults as well as loading back into Optimized Defaults

- Running a memory disc for a memory check: memory test returned no errors.

- Running the boot disc. I could not find my original boot disc, but I tried running off of a Windows 7 Upgrade disc that I had, which I assumed would work the same. However, after choosing to boot off of CDROM with this inserted, there is a gray loading bar with "Windows is loading files...," but after this completes, the system gets hung up on the Starting Windows animated logo
- I have also created a new boot disc from downloading the .iso and putting it onto a DVD rom, but it doesn't even prompt the gray loading bar. Instead, it brings up the same Windows select mode as a result of it not shutting down properly (giving the option for safe mode or normal mode). The system hangs up the same way here as if it were starting from the hard drive.

- I have also removed the battery from the motherboard to reset the bios. This made no change.

- Finally, I have made a visual inspection of all hardware components. Everything is connected and hooked up properly. I cannot find anything amiss.

I have screenshots for any of the screens that I have encountered. If you think this may help, let me know and I can upload them.

My hard disc is a Patriot Torqz 2 64GB SSD and my motherboard is a Gigabyte M68MT-S2. The system is not old (build maybe 6 months ago) and has been running fine up until now.

Thank you very much to anyone who takes the time to read and contribute to this. I know your time is precious and it means a lot to me that you have read this far in effort to help.


It happened to my machine and was quite frustrating, I was able to boot up in safe mode sometimes. Eventually the hard disk could not be recognized in bios settings and had to replace it. With the new hard disk, I again started having trouble, so googled and found that windows 7 has built-in auto restart option so whenever we shutdown the system, this autorestart suddenly takes over and results in improper shutdown which harms the disk. You need to disable autorestart option. Check this page "http://support.microsoft.com/kb/2621246" I think this would save many hard disks from crashing. Hope this answer helps.
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May 1, 2014 5:18:52 PM

It may sound simple and not apply to all situations where this occurs but when it happened to me I took the computer to the garage and used the air hose to blow out the fins on the CPU cooling fan, another time this problem indicated a failing power supply.
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!