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Windows 7 Blue Screen After Classpnp.sys

It is C: So still at the X:\sources type: chkdsk c:/F (press enter). 5 stages will run immediately. panicwithpandahDec 22, 2014, 12:05 PM Not sure if anyone is still having this problem but I was able to fix it for myself. Reports: · Posted 4 years ago Top Vennsoh Posts: 17 This post has been reported. Normal boot ends in blue screen, the repair mode got stuck in finding problems to repair (i let it run for 20 hours) and never ended. http://brucelrussell.com/windows-7/windows-7-classpnp-sys-bsod.html

As far as I can tell computers that experience this issue are unrepairable. Place a blank CD or DVD in the tray of your optical drive and close the tray. 2. bcdedit /deletevalue {identifier} safeboot For example: If I wanted to have Windows 7 not boot into Safe Mode anymore, I would type this command below and press Enter. The first thing to try is the startup repair or system restore using the DVD. https://social.technet.microsoft.com/Forums/windows/en-US/566cdd43-ce91-4e64-93e0-8d09d8fc1ea0/windows-7-fails-to-go-into-safe-mode-stuck-at-classpnpsys?forum=w7itprogeneral

I cannot find anything amiss.I have screenshots for any of the screens that I have encountered. Click on Verify disc after burning if you want to Windows to verity the disc image after burn. You will be prompted with a permission dialog box.

Because of the importance of CLASSPNP.SYS in the functionality of MSDN Development Platform U.S. It still shows classpnp.sys and stucks there for life any ideas? In the Registry Editor, select the CLASSPNP.SYS-related key (eg. Restarted de PC and voila the PC recognized the disk and could backup the data.

Note: before the boot problem, I had another issue, the laptop would always start with LCD in low light mode... Acer, HP, Compaq etc) Press either alt + F10 or alt + F11. After a while I just remembered to change to AHCI in the bios again (I have an SSD)... http://www.bleepingcomputer.com/forums/t/537712/windows-7-hangs-when-loading-driver-classpnpsys/ Core i7, 8GB RAM, 2GB Graphics, Windows 7 64Bit.

However, the system stopped at the Starting Windows animated logo. I remembered I saw an error message saying something like "Windows has failed to wake up from hibernation". Instructions for Windows 7 and Windows Vista: Open Programs and Features by clicking the Start button. Classpnp.sys 2.

So I am able to launch a command prompt screen and I tried to run CHKDSK. http://www.tomshardware.com/forum/50042-63-boot-safe-mode This can potentially help you avoid hours of troubleshooting headaches associated with SYS errors. The SCSI standard defines command sets for specific peripheral device types; the presence of unknown as one of these types means that in theory it can be used as an interface After waiting, I did a hard reset and chose to load into safe mode.

Had me all worried and stuff. have a peek at these guys At the X:\sources> prompt type: bcdedit | find "osdevice" (press enter). Downloaded and copied one. worked!!!

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 worked like a charm. To Start Windows 7 back in Normal Mode A) From step 2, look for the identifier (ex: {current}) for the OS description (ex: Windows 7) under aWindows Boot Loader section that check over here Removing the note and the app fixed the problem.

If updates are available, click the Install Updates button. ShmopherJan 6, 2014, 11:15 PM Fix that worked for me:Enter BIOS and go to the settings for your boot HD. I couldn't boot in any mode, safemode, normal, safemode with command and network.

Click Save.

SCOTT BROWN replied on March 19, 2013 All Answers: CONNIE BANNISTER replied on March 13, 2013: » The issue I see is that a lot of the computers that are reporting In fact, one misplaced comma can prevent your PC from booting entirely! DriverDoc updates all of your PC device drivers, not just those associated with your SYS blue screen error. At 2012-06-15 17:55:00, Daniel Vengoechea left the following comment ...It did not work on my lenovo machine.

Equilibrium31Aug 18, 2012, 12:16 PM Best answer selected by Equilibrium31. This will bring you to a recovery type menu. When Do SYS Errors Occur? this content So the bad thing was that I never backed-up my data.

Equilibrium31Aug 10, 2012, 11:11 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. After taking ownership of the bad CLASSPNP.SYS file I renamed it CLASSPNP.OLD then copied the CLASSPNP.SYS from the good PC to the bad PC. Steve DonaldJan 5, 2015, 11:11 PM Shmopher said: Fix that worked for me:Enter BIOS and go to the settings for your boot HD. We do not claim any responsibility for the results of the actions taken from the content linked below - complete these tasks at your own risk.

Remove one memory chip at a time and see if the issue goes away. WARNING: This will wipe out everything (formats the drive and restores computer to the same condition when you first purchased it). A lot of times the memory doesn't get pushed in all the way and it causes all kinds of crazy issues. This will initiate hardware diagnostic test.

I checked this forum but did not find the solution. Everything is connected and hooked up properly. Once I hooked up an external drive, it reinstalled without any problems. If we have ever helped you in the past, please consider helping us.

Use the options below to save all kinds of trouble. CLASSPNP.SYS is a type of SYS file associated with MSDN Development Platform U.S. This SYS file carries a popularity rating of 2 stars and a security rating of "UNKNOWN". aford10Feb 18, 2015, 5:02 AM Necropost Ask a new question Read More Safe Mode Boot Windows 7 Related Resources win 7 won't boot, no safe mode Black Screen During Win 7