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Windows 7: Can't mount system drive - error 0x000000ED

27 Apr 2017   #11
Gi1919

Windows 7 Home Premium 64 bits
 
 

Ah... I was thinking of installing Dropbox and just putting all the files I modify on a regular basis in its folder. That way, I think I'd be pretty safe.

Of course, if the software goes corrupt... that'll be an issue, yes.

I don't know... I think I want to try this. I really can't prep a new laptop right now, I like to do things well and I know it's gonna take me a lot of time... And I can't sacrifice sleep, my job requires a lot of concentration and it's already gonna be hard enough to make my deadline as it is...

Is it gonna be very complicated to revive it? What kind of manipulations would it involve?


My System SpecsSystem Spec
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27 Apr 2017   #12
axe0

Windows 10 Pro
 
 

Reviving won't be possible, what I looked at are the critical attributes of the hard drive. If those fail the data in the hard drive cannot be recovered by any means.
My System SpecsSystem Spec
27 Apr 2017   #13
Gi1919

Windows 7 Home Premium 64 bits
 
 

I'm lost... I thought this:
Quote   Quote: Originally Posted by axe0 View Post
if I was in this situation I would do either of the following
- get a new system and give up some sleep to get it configured
- configure a proper backup system and use it to move and save work on until it is done.

TBH, configuring a backup system and keep using the dying drive could eventually take more time than configuring a new system.
meant keeping using it was an option? I'm not following, I'm sorry...

Edit: Ah, sorry, that's my English, maybe? I meant temporarily revive it, of course. How do I manage to make it boot and open my usual session, basically. If that's at all possible...
My System SpecsSystem Spec
.

27 Apr 2017   #14
axe0

Windows 10 Pro
 
 

You won't be able to extend the lifetime, because the hdd is physically failing at different points. You could notice a decrease in performance, slowly, because the amount of bad blocks is at least twice as much as the drive can handle according to the SMART, this causes the read/write to slow down because the drive needs to find proper blocks. Finding proper blocks may slow down the read/write time just a little, but the actuator arm will also go worse eventually because it has to work harder to get the data in the same time. When the actuator arm gives up, the hard drive has completely died (which is just 1 of the ways to let a hard drive die).
You may know this, but others don't


What you could try is repartition the hard drive, decreasing the space of your partition(s) removing the bad sectors. Though, this will take a lot of time since you have to identify where the bad blocks are and repartition in a proper way for maintenance.
I repartitioned a previous laptop to get rid of a few bad blocks, but it took hours to identify where they were and create a plan for repartitioning so all data was on the right place (like work stuff on a different partition than movies and stuff, but don't forget the size of the partition for future needs)

If you could provide me information about how your drive is partitioned, what information is where stored, and what you're doing/software you're using, I may be able to provide some more/better solutions.
My System SpecsSystem Spec
27 Apr 2017   #15
Gi1919

Windows 7 Home Premium 64 bits
 
 

No I didn't know about the actuator arm, and always enjoy learning/understanding, so thanks for explaining!

Here's how the drive is partitioned:
Quote:
/dev/sda1 : start= 2048, size= 407552, Id= 7, bootable
/dev/sda2 : start= 409600, size=146800640, Id= 7
/dev/sda3 : start=147210240, size=821239808, Id= f
/dev/sda4 : start=968450048, size= 8321024, Id= c
/dev/sda5 : start=147212288, size= 1024000, Id=83
/dev/sda6 : start=148238336, size= 81920000, Id=83
/dev/sda7 : start=230160384, size= 8192000, Id=82
/dev/sda8 : start=238354432, size=730095616, Id= 7
Or, probably more readable:
  • sda1 SYSTEM 200 MB
  • sda2 C: (Windows 7 and some data too) 70 GB
  • sda3 extended partition (sda5, 6, 7,8)
  • sda5 Ubuntu (boot) 500 MB
  • sda6 Ubuntu (root) 40 GB
  • sda7 Ubuntu (swap) 3,91 GB
  • sda8 D: (my data) 348 GB
  • sda4 E: (HP_TOOLS) 3,97 GB
And as for the software I use: a text editor, Word, Excel, Firefox, Thunderbird and two big dictionary applications. Plus VLC, Winamp, etc if I can afford it.


What I don't get is that there were no warning signs... No slowness, freezes... Except the day before it happened, I tried copying some FeedDemon (RSS reader) files to an external hard drive while the application was open, and it refused and made the program unstable. And now I see that a FeedDemon file was one of two files that seemed to bug CHKDSK...


Also: after recovering all my data, I booted on the Ubuntu partition the other day, used it for about an hour. That was after the SMART autotest was saying "failed (read)" (again, a crappy translation, sorry). Everything was working well, and the SMART results had not changed afterwards... So, the laptop was usable... for an hour... on Ubuntu... Except I don't have any of the software I need to work on Ubuntu!
My System SpecsSystem Spec
27 Apr 2017   #16
axe0

Windows 10 Pro
 
 

One other requirement, we'll need a physical scan of the sectors so we know where the bad sectors are. For this I would suggest HDTune

The state of the actuator arm can be identified in the benchmark part of HDTune, the higher the transfer rate the better. After a few years of usage, the drive speed could be around 50MB/s, but in the beginning of its lifetime it should be around 100MB/s or higher.

Actually, another question, how much free space do all partitions have?
My System SpecsSystem Spec
27 Apr 2017   #17
Gi1919

Windows 7 Home Premium 64 bits
 
 

Quote   Quote: Originally Posted by axe0 View Post
One other requirement, we'll need a physical scan of the sectors so we know where the bad sectors are. For this I would suggest HDTune
I have this from when I made an image of C: with ddrescue, can it help?



Quote   Quote: Originally Posted by axe0 View Post
Actually, another question, how much free space do all partitions have?
Not much at all... 1.2 GB on C: and maybe 600 MB on D:?
My System SpecsSystem Spec
27 Apr 2017   #18
axe0

Windows 10 Pro
 
 

When was the image of the sectors made?
My System SpecsSystem Spec
27 Apr 2017   #19
axe0

Windows 10 Pro
 
 

Quote   Quote: Originally Posted by Gi1919 View Post

Not much at all... 1.2 GB on C: and maybe 600 MB on D:?
That is another issue, possibly the reason why you can't boot
Windows requires 10% of free space on your partitions to perform maintenance, if you don't provide enough free space it will cause problems. I recommend, however, to free up 20% of space to be on the safe side.
My System SpecsSystem Spec
27 Apr 2017   #20
Gi1919

Windows 7 Home Premium 64 bits
 
 

Quote   Quote: Originally Posted by axe0 View Post
When was the image of the sectors made?
On Saturday. Then I did the SMART tests, and then I booted on the Ubuntu partition. Then I checked the SMART data in the UI again, but just the reallocated/pending numbers, which hadn't changed.
Then today, I did the CHKDSK.
My System SpecsSystem Spec
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 Can't mount system drive - error 0x000000ED




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