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My PC has been freezing/hanging intermittently since Thursday night.
My PC has been freezing/hanging intermittently since Thursday night.
Scanned Boot disk for viruses using rescue boot CDs:
-BitDefender Rescue CD 2010
-Avira AntiVir Rescue System
-Kaspersky Rescue CD 2010
It found some threats for already quarantines files, some threats in old emails on boot disk-not location of current email directory on D drive, some in temporary internet files, deleted some java files.
While booted from my Windows 7 install DVD in a command prompt (did this before Kaspersky):
-I ran a thorough file system check with Chkdsk C: /F /R (2.5 hrs), fixed a few things, also confirmed boot disk is fine
-Ran system file checker: sfc /scannow /offbootdir=c:\ /offwindir=c:\windows
System File Checker said Windows resource protection did not find any integrity violations.
I worked through troubleshooting steps for windows 7. It’s not a booting issue and I don’t seem to have any viruses.
Yesterday, I got the blue screen of death. I was able boot normally again but a few hours later, my PC froze/ hung. Sometimes after logging in, before it’s started all startup programs it hangs, other times shortly after all programs started, other times a few hours later.
When booting in safe mode with networking, sometimes it hangs after loading the last driver. I don’t think it’s hung in that mode once I can login. Many programs don’t start or crash in that mode, I’m guessing because only basic files and drivers are loaded,
Crash:
Thunderbird v8
Won’t start
Event viewer (is that normal?), explorer (Using explorer++ ok)
It seems like the PC hardware may be ok, since Kaspersky rescue CD Linux OS ran for > 12 hours with no crash. There must be a problem with a device driver, or program, however, I haven’t installed anything related to hardware recently.
I don’t have a recent memory.dmp crash dump file even though when I got the BSOD, it said it dumped physical memory to disk.
In C:\Windows, I only have a memory.dmp file from 2009. Windows is configured for the default-kernel memory dump & %SystemRoot%\MEMORY.DM. Other options are none or small memory dump. Overwrite any existing file wasn’t checked, so I checked it now. C:\Windows\Minidump doesn’t exist.
My PC has been running in safe mode with networking now for 4.5 hours ok. Just running Thunderbird email client, explorer++, msconfig and taskmgr. I burnt a CD of Ultimate Boot CD.
OS: Windows 7 Ultimate 32bit SP1, retail version. I upgraded from Windows Vista Ultimate retail version in April 2011.
My PC hardware (Feb 2009):
1) Motherboard: Asus P5Q Socket LGA775
2) Intel Quad Core Q9450 2.66 GHz CPUs
3) 4 GB DDR2 PC6400 dual channel memory - 2 x 2GB DIMMs (3.25GB usable)
4) Hard disk-Seagate ST3500320AS 500 GB SATA 7200 rpm 32 MB cache, 3 yr warranty boot
5) Hard disk-Seagate ST31500341AS 1500 GB SATA 7200 rpm 32 MB cache x 2, 3 yr warranty (first one is for data, second one is for backup)
6) LG GH22NS30 SATA 22x/22XDVD-RW burner
7) Video card-Zotac 9600GT amp 512 PCEI