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Type "chkdsk /f" and hit ENTER. "chkdsk" will begin scanning for hard disk corruption that could be causing CLASSPNP.SYS STOP errors. Follow the below steps to reboot Windows 7 in Normal mode: NOTE: This was not my suggestion. Back to top #5 wpgwpg wpgwpg Members 1,149 posts OFFLINE Gender:Male Location:US of A Local time:12:23 AM Posted 14 June 2014 - 10:54 AM DC3, you posted seconds before I Thanks!!!!!!

When I hit start it said you cannot perform this blah blah because the drive is in use, would you like to perform this on your next reboot? Thanks, guys! ANJAN DAS replied on March 14, 2013: » I've same problem with my 7 home pre. Local forum lurker Speccy:http://speccy.piriform.com/results/khAna3tDgx55e1HcM13JGiL Back to top #9 dc3 dc3 Arachibutyrophobia Members 26,997 posts OFFLINE Gender:Male Location:Sierra Foothills of Northern Ca.

I tried taking one of the modules out and leaving the other one in, and that didn't work, so i tried removing the other and replacing the one I took out, A backup is automatically created before each scan, with the ability to undo any changes in a single click, protecting you against the possibility of PC damage. Boot the system up, press any key when prompted to load the disc.

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 computer was working fine until one day when I returned from work and found that it would not wake up from sleep mode. Turned out to be an SDHC card. As a guest, you can browse and view the various discussions in the forums, but can not create a new topic or reply to an existing one unless you are logged

Click Yes. My computer is a Gateway Friday, March 12, 2010 12:27 AM Reply | Quote 0 Sign in to vote Hello,Try a in-place upgrade to repair the corrupted files:In-place Upgrade============= 1. my wife had login errors to her email account, so she rebooted. Wednesday, February 15, 2012 8:07 PM Reply | Quote 2 Sign in to vote I though I'd share my solution for anyone else who stubles upon this topic.

Important: Your computer may or may not restart several times during this repair process. Boot from the Windows install DVD or get to Recovery mode via your preferred method choose to start the System Restore mode 2. Put it in the bad Lenovo and BSOD after CLASSPNP.SYS. Instructions for Windows XP: Open Programs and Features by clicking the Start button.

Back to top #11 cbblake1 cbblake1 Topic Starter Members 34 posts OFFLINE Local time:11:23 PM Posted 22 June 2014 - 08:11 PM Update: We have success! The CPU is toast.... The shop in new zealand where i brought it from says we do not need them. ShmopherJan 6, 2014, 11:15 PM Fix that worked for me:Enter BIOS and go to the settings for your boot HD.

Please Note: If CLASSPNP.SYS errors still persist after a clean install of Windows, your SYS problem MUST be hardware related. Type "update" into the search box and hit ENTER. Best answer xtreme5Aug 10, 2012, 1:01 PM HDD is defective. We’re just collecting some info, and then we’ll restart for you.

Solvusoft's close relationship with Microsoft as a Gold Certified Partner enables us to provide best-in-class software solutions that are optimized for performance on Windows operating systems. When you reach the "Which type of installation do you want" screen, click Upgrade to upgrade the system files of Windows Vista.Thomas77 Monday, March 15, 2010 1:55 AM Reply | Quote 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 will take several minutes.

I have tried every things & spent about 3 days to fix this error but been unsuccessful. my system was locked in endless safe mode loop and reboot. While holding CTRL-Shift on your keyboard, hit ENTER.

You never know when one will leave you.

Got the thermal paste, replaced 2 of the 5 case fans, and the chip temp fell 50%! Locate CLASSPNP.SYS-associated program (eg. My problem was concern the RAID+AHCI setting... SYS files such as CLASSPNP.SYS are third-party (eg.

In my experience and from what I've read online it is nearly always caused by a Windows Update that breaks compatibility with the PC's hardware. Tried what you suggested but my BIOS did not have the 'compatibility' option, so I switched it from AHCI to IDE. Equilibrium31Aug 11, 2012, 6:36 AM Looks like it is the hard drive. Hope this helps Proposed as answer by Sean Mao 858 Monday, November 07, 2011 5:14 PM Edited by Sean Mao 858 Monday, November 07, 2011 5:17 PM Monday, November 07, 2011

Click Add or Remove Programs. Eventually the hard disk could not be recognized in bios settings and had to replace it. It will display the current size if size is not specified. /X – If necessary, it forces the volume to dismount first.