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I have problems with my Windows System. Sometimes, there is a user login window and I can log in, but sometimes it freezes just before the login window. When I manage to enter Windows, it usually freezes when I try to open any application; so I decided to do chkdsk but it is 15 minutes until it is on 23%. I can see that the number of scanned files is growing (step 4/5) but is it normal that it takes so much time?

My system is an HP NX7400, and the hard drive is 300 GB

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Yes it is, there is nothing to worry about – soandos Oct 24 '12 at 19:53
How long have you left it to run for? I've seen chkdsk run for several hours. The size has a direct bearing on how long chkdsk runs. – user3463 Oct 24 '12 at 20:47
Although this is true, if the progress stops in one place for a while and if you are experiencing odd hangs and pauses, this is - in my experience - very often caused by a disk with errors on it. – Julian Knight Oct 24 '12 at 20:49
+1 No argument there from me. There is probably something wrong with the disk, but chkdsk should at least finish before attempting something different. – user3463 Oct 24 '12 at 20:50
True enough Randolph. – Julian Knight Oct 24 '12 at 21:00

No, this is not normal.

Almost certainly there is an error on that part of the disk. This is not that uncommon with the cheap, volume-made disks we all use.

The disk is very unlikely to get better on its own I'm afraid. Depending on the size of the disk, it may be better to just replace it.

If, however, you want to try to improve matters you would be well advised to pay for a copy of Spinrite. This tool can recover many disk errors and often returns seemingly faulty disks to full health if the error was just from some transient issue rather than a physical fault. Spinrite is not free or even especially cheap (US$90 I think) though it is a stable and mature product that I've used a number of times to recover from issues that would otherwise have been disastrous. Read up on what people have done with it over the years to see how good it is.

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SpinRite is a last resort, due to the thrashing it induces on a drive with bad sectors. I'd advise against it, and simply copy the data off the drive and buy a new hard drive for that $90. (Disclosure: I am a paying customer of SpinRite.) – user3463 Oct 24 '12 at 20:45
I agree @RandolphWest, just thought I'd mention it anyway. If the disk is a big one, it might be worth it. I usually only use it to recover important data. It's also worth running from time to time on disks to prevent issues. – Julian Knight Oct 24 '12 at 20:47
I can't agree with its use as a maintenance tool. In my experience, backups to another device, with periodic testing, is more reliable than what SpinRite does to a disk. Last resort only, in my opinion. That said, we are allowed to disagree, and I mean no disrespect. – user3463 Oct 24 '12 at 20:49
Backups certainly trump recovery any day ;) I don't think testing helps - the research by Google a while back seems to back this up. It is not uncommon to get minor disk glitches that are easily reset by Spinrite before they turn into problems. And I'm only talking maybe once or twice a year at most, not often. But don't worry, no disrespect taken or given, I'm always interested in other views. – Julian Knight Oct 24 '12 at 20:53
+1 for your comment. I'm a DBA by trade, and testing backups is my bread and butter :-). – user3463 Oct 24 '12 at 20:55

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