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Hard drive corruption puzzler
A relative has a Dell desktop with a newer WD 80 GB drive, the 7200 JB model
with the 3 year warranty, maybe a year old. FAT32, single partition, WinME clean install less than a year ago. I recently removed a ton of spyware, did some system repair (and education) and installed Norton AV 2003 with current data and a recent scan, along with spyware detection tools for them to use. The spyware was gone or nearly so, it always takes a while to be sure. Yesterday they had left the computer on, and found it trying but unable to boot to windows, citing corrupted or missing files. I arrived and checked the bios settings, found that the second Maxtor drive was not being recognized, and unplugged it. Then I ran dos scandisk on the WD drive, which found literally hundreds of corrupted files, along with cross-linked ones. After several passes, it was able to supposedly fix all but a long filename error, which needed Windows scandisk. I then was able to boot into safe mode and eventually Windows, but all the programs were missing from the listing, and of course many sporadic files were missing that had been saved to at least a hundered .chk files. There were no power failures that we are aware of, and defrag and such was not running while the computer was left on. ZoneAlarm Plus was running and configured conservatively. I ran the WD diagnostic tests on the drive, both quick and thorough. Both showed no errors. Up until then, I'd normally just assume a failed hard drive. In fact, I lost a drive just like this, same model, 3 months old, while in use...but it failed without question, all diagnostics and data recovery failed. So now I have no explanation for why their problem occurred. I can reinstall the OS and all apps, but I sure don't want this to happen again. I'll leave the second Maxtor drive off, just in case. I can't very well send the drive in to WD if it passes the tests, yet that corruption came from somewhere. I can't imagine any leftover spyware doing this to the file system, and no sign of a virus, the files were all types and the scan was very current. No previous problems except a few times they reported that the Maxtor drive had seemed to disappear, but came back when they unplugged and replugged the drive. I had checked and replaced the IDE cable, made no difference. I resigned my own warranty-replaced WD 80 GB drive to non-critical use, because I just don't trust it after the failure of the first. Any ideas on what could have caused this on the relatives' computer? Think I should just tell them to replace the drive anyway? Could the Maxtor have had some problem that corrupted the WD? (it was slave on same IDE). Any ideas welcome, thanks in advance. Sorry for the long post, but I didn't want to waste anyone's time with answers I've already thought of and tried. I figure it's 6 hours to restore the files, updates, etc., and I'll do a Ghost CD for if it happens again, but still would hate to hear the same story in a month. Gary |
#2
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"Trent©" wrote in message
... Motherboard? FSB speed? Jumperless? It'll be hard to answer any further questions without the above...but I'll give it a shot. Yesterday they had left the computer on, and found it trying but unable to boot to windows, citing corrupted or missing files. I arrived and checked the bios settings, found that the second Maxtor drive was not being recognized, and unplugged it. Thanks for the suggestions; it's the stock Dell (Intel) MB, PIII 800, not overclocked (797 currently) i815 chipset, DMA enabled, both drives running and all rated at ATA100, and have been successfully running at that for months. Device mgr is clean and drivers are current. I've had astounding success with WinME on a number of machines, a couple running since 6/00 release date and still fine, so I'm not likely to blame that either...but I know I'm one of the few fans of the OS, so that's a different story, different time... But... Your message got me thinking maybe I'll swap the cables even though I've switched them before. When I pulled the WD drive (mounted vertically as Dell does sandwiched between two pieces of plastic with holes), it felt warm. I got to thinking... Warm. In my office, with the A/C on and the case open. Yesterday was the hottest day since last summer (they didn't get the drive until maybe Sept.), over 100, they weren't home, probably had the AC off. Closed case, computer on, no case fan, maybe 90 degree house, on all day, with plastic covering at least a percentage of the surface area, how hot would that drive be? If it got hot enough to cause errors (assuming an overheated drive would do so), it could easily corrupt and cross link files if it tried to boot and write to or repair (she said scandisk ran and failed numerous times). That would also explain why I haven't been able to get a single glitch from it...it's not hot. So thanks for the good ideas, which helped lead to what I think is the problem. I'll see if I can read the SMART info off the drive, if it looks OK and fdisk/format/install Windows goes OK, I'll assume that must be it and install the drive in a horizontal bay and find a place for a case fan. Dell didn't exactly seem to have that in mind, but those WD drives run hot anyway and it needs some circulation. They have a heckuva CPU fan but nothing moves air inside the case. Gary |
#3
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"Gary R." wrote in message ... | "Trent©" wrote in message | ... | Motherboard? FSB speed? Jumperless? It'll be hard to answer any | further questions without the above...but I'll give it a shot. | | Yesterday they had left the computer on, and found it trying but unable | to | boot to windows, citing corrupted or missing files. I arrived and | checked | the bios settings, found that the second Maxtor drive was not being | recognized, and unplugged it. | | | Thanks for the suggestions; it's the stock Dell (Intel) MB, PIII 800, not | overclocked (797 currently) i815 chipset, DMA enabled, both drives running | and all rated at ATA100, and have been successfully running at that for | months. Device mgr is clean and drivers are current. I've had astounding | success with WinME on a number of machines, a couple running since 6/00 | release date and still fine, so I'm not likely to blame that either...but I | know I'm one of the few fans of the OS, so that's a different story, | different time... | | But... | Your message got me thinking maybe I'll swap the cables even though I've | switched them before. When I pulled the WD drive (mounted vertically as | Dell does sandwiched between two pieces of plastic with holes), it felt | warm. I got to thinking... | | Warm. In my office, with the A/C on and the case open. Yesterday was the | hottest day since last summer (they didn't get the drive until maybe Sept.), | over 100, they weren't home, probably had the AC off. Closed case, computer | on, no case fan, maybe 90 degree house, on all day, with plastic covering at | least a percentage of the surface area, how hot would that drive be? | | If it got hot enough to cause errors (assuming an overheated drive would do | so), it could easily corrupt and cross link files if it tried to boot and | write to or repair (she said scandisk ran and failed numerous times). That | would also explain why I haven't been able to get a single glitch from | it...it's not hot. | | So thanks for the good ideas, which helped lead to what I think is the | problem. I'll see if I can read the SMART info off the drive, if it looks | OK and fdisk/format/install Windows goes OK, I'll assume that must be it and | install the drive in a horizontal bay and find a place for a case fan. Dell | didn't exactly seem to have that in mind, but those WD drives run hot anyway | and it needs some circulation. They have a heckuva CPU fan but nothing | moves air inside the case. | | Gary | | FWIW I read a post yesterday where WD and Maxtor do not work well on the same cable. The poster said to make sure they were installed on separate cables or separate controllers. I don't remember if it was posted on 24hoursupport, windows-me or here ;-) -- Dumpster |
#4
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DOS scandisk on a FAT32 drive causes major filesystem
problems. Bad news if you ran a scandisk that only understands FAT16 and FAT12. Dos scandisk converted many OK files into *.CHK files. That explains your missing files. Been there. Also made that mistake. "Gary R." wrote: A relative has a Dell desktop with a newer WD 80 GB drive, the 7200 JB model with the 3 year warranty, maybe a year old. FAT32, single partition, WinME clean install less than a year ago. I recently removed a ton of spyware, did some system repair (and education) and installed Norton AV 2003 with current data and a recent scan, along with spyware detection tools for them to use. The spyware was gone or nearly so, it always takes a while to be sure. Yesterday they had left the computer on, and found it trying but unable to boot to windows, citing corrupted or missing files. I arrived and checked the bios settings, found that the second Maxtor drive was not being recognized, and unplugged it. Then I ran dos scandisk on the WD drive, which found literally hundreds of corrupted files, along with cross-linked ones. After several passes, it was able to supposedly fix all but a long filename error, which needed Windows scandisk. I then was able to boot into safe mode and eventually Windows, but all the programs were missing from the listing, and of course many sporadic files were missing that had been saved to at least a hundered .chk files. There were no power failures that we are aware of, and defrag and such was not running while the computer was left on. ZoneAlarm Plus was running and configured conservatively. I ran the WD diagnostic tests on the drive, both quick and thorough. Both showed no errors. Up until then, I'd normally just assume a failed hard drive. In fact, I lost a drive just like this, same model, 3 months old, while in use...but it failed without question, all diagnostics and data recovery failed. So now I have no explanation for why their problem occurred. I can reinstall the OS and all apps, but I sure don't want this to happen again. I'll leave the second Maxtor drive off, just in case. I can't very well send the drive in to WD if it passes the tests, yet that corruption came from somewhere. I can't imagine any leftover spyware doing this to the file system, and no sign of a virus, the files were all types and the scan was very current. No previous problems except a few times they reported that the Maxtor drive had seemed to disappear, but came back when they unplugged and replugged the drive. I had checked and replaced the IDE cable, made no difference. I resigned my own warranty-replaced WD 80 GB drive to non-critical use, because I just don't trust it after the failure of the first. Any ideas on what could have caused this on the relatives' computer? Think I should just tell them to replace the drive anyway? Could the Maxtor have had some problem that corrupted the WD? (it was slave on same IDE). Any ideas welcome, thanks in advance. Sorry for the long post, but I didn't want to waste anyone's time with answers I've already thought of and tried. I figure it's 6 hours to restore the files, updates, etc., and I'll do a Ghost CD for if it happens again, but still would hate to hear the same story in a month. Gary |
#5
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If you haven't done so at least advise them to scandisk and defrag at least
once a week and run the anti-spyware often. "Gary R." wrote in message ... A relative has a Dell desktop with a newer WD 80 GB drive, the 7200 JB model with the 3 year warranty, maybe a year old. FAT32, single partition, WinME clean install less than a year ago. I recently removed a ton of spyware, did some system repair (and education) and installed Norton AV 2003 with current data and a recent scan, along with spyware detection tools for them to use. The spyware was gone or nearly so, it always takes a while to be sure. Yesterday they had left the computer on, and found it trying but unable to boot to windows, citing corrupted or missing files. I arrived and checked the bios settings, found that the second Maxtor drive was not being recognized, and unplugged it. Then I ran dos scandisk on the WD drive, which found literally hundreds of corrupted files, along with cross-linked ones. After several passes, it was able to supposedly fix all but a long filename error, which needed Windows scandisk. I then was able to boot into safe mode and eventually Windows, but all the programs were missing from the listing, and of course many sporadic files were missing that had been saved to at least a hundered .chk files. There were no power failures that we are aware of, and defrag and such was not running while the computer was left on. ZoneAlarm Plus was running and configured conservatively. I ran the WD diagnostic tests on the drive, both quick and thorough. Both showed no errors. Up until then, I'd normally just assume a failed hard drive. In fact, I lost a drive just like this, same model, 3 months old, while in use...but it failed without question, all diagnostics and data recovery failed. So now I have no explanation for why their problem occurred. I can reinstall the OS and all apps, but I sure don't want this to happen again. I'll leave the second Maxtor drive off, just in case. I can't very well send the drive in to WD if it passes the tests, yet that corruption came from somewhere. I can't imagine any leftover spyware doing this to the file system, and no sign of a virus, the files were all types and the scan was very current. No previous problems except a few times they reported that the Maxtor drive had seemed to disappear, but came back when they unplugged and replugged the drive. I had checked and replaced the IDE cable, made no difference. I resigned my own warranty-replaced WD 80 GB drive to non-critical use, because I just don't trust it after the failure of the first. Any ideas on what could have caused this on the relatives' computer? Think I should just tell them to replace the drive anyway? Could the Maxtor have had some problem that corrupted the WD? (it was slave on same IDE). Any ideas welcome, thanks in advance. Sorry for the long post, but I didn't want to waste anyone's time with answers I've already thought of and tried. I figure it's 6 hours to restore the files, updates, etc., and I'll do a Ghost CD for if it happens again, but still would hate to hear the same story in a month. Gary |
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