Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems.

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Default Computer fixed

After a lot of help from Paul in one of the newsgroups on the list, I
fixed my win10 computer.

I had been getting Inaccessible boot device

and also as a result, 0x000000c, or something like that. If you
google Inaccessible boot device. youll see the exact error mentioned.

It took 30 elapsed hours and 6 to 8 hours of work.

I almost wish it had dragged on longer so I could have learned more, by
fully understanding Paul's posts, and reading on the web.

I don't even know what fixed it, but I think there were only two
possible things I did.

I ran:
bcdedit /store C:\boot\BCD /set {bootmgr} displaybootmenu True

Paul susggested this. Paul, after I ran this line, it just said
"Operation concluded succefully" but it didn't say what it did!! Any
chance this fixed it, or was it just supposed to display the boot menu?



Lazesoft was just as confusing. I used one particular thing** in:
Lazesoft Windows Recovery which is contained in Hiren's Boot CD.

I installed it on a flashdrive which is much better that a CD, because
you can copy or dl software to it, and run the software from flashdrive,
like Forte Agent. You can make a file for notes, save it on the flash
drive and then use the flashdrive on your laptop or the broken PC after
you fix it.

Hiren's includes Firefox, but afaik it doesn't save bookmarks or prior
sessions. It forgets everything it knows when you close Hirens.
Because it was first written for a CD and I don't think they made
changes when people started putting it on flashdrives.

So in a notes file, I kept a list of urls that might help me fix the
problem, to read on the laptop after I closed Hirens.

Back to Lazesoft Windows Recovery, the home edition is free. It's
organized pretty well. There are lots of things included that I didn't
try because I only did things related to "can't boot".
I tried Repair MBR, then rebooted with no success.
Then I tried Fix Boot Sector, then rebooted with no success.
Then I tried Rebuild boot Menu and rebooted with no success.
The next step, something like Replace Windows system files, it said
was not available in the Home edition (at least for win10), and I was
considering buying a better edition, but I was also following Paul's
suggestions and leads.
Then I tried Chkdsk and it ran too quickly for me to take it
seriously, under 45 seconds, but it didn't find any problems.

Many/most of the operations have Undo ability. Plus it seems you can't
run twice the ones with Undo-ability, because the 2nd time the button
won't even depress, even if it's not the same Hirens session (because of
the presence of the .bak files I'm sure.)


** Finally after hours of reading and trying other things, mostly
related to Paul's posts, I tried One Step Repair. It said that was for
novice users and of course I'm no dang novice, plus I figured it
wouldn't tell me where the prolem was and I wanted to know. So I'd
saved it for last.

But I tried it and this is what it said. I copied it to my Notes.txt:

System Volume:
System Reserved,(*.1.00 GB NTFS

Check and Fix the MBR
Check and Fix the boot indicator

Check and Fix the boot sector parameters
Check and Fix the boot sector boot codes

Check and Fix the BCD file
Check and Fix the file system for the boot partition

Check and Fix the missing critical Windows system files
Check and Fix the registry files
-- end quote --

Note that afaik I hadn't done the 2nd, 5th, 6th, 7th or 8th tests,
because it didn't list them separately. The 7th line about windows
systems files, it specifically said was not in the home edition. Was
that incorrect or is the 7th line there by mistake? Who knows. (I
looked at the list of files in the System Reserved partition, but I
didn't look for a complete list to compare it with.)

And it doesn't say what it fixed, if anything.


Hirens is great. I can't speak too highly about Hirens. Even if it's
not the most recent version of Lazesoft (no version number is given),
it's much better than just putting Lazesoft Windows Recovery on a
flashdrive because Hirens has loads of other freeware and shareware, for
just any purpose, like administrative-level CMD, partition managers,
ImgBurn, Firefox, notepad, wordpad, MyComputer (file manager). See this
list:
https://www.hirensbootcd.org/download/
https://www.hirensbootcd.org/

I hadn't even noticed thise tools that might have helped:
BCD-MBR Tools
BootIce v1.3.3
EasyBCD v2.3

I think Knoppix is supposed to be similar but I didn't understand it. I
know Hirens works. They're up to version 15.2 now, but old versions are
good too if they have Lazesoft.


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Default Computer fixed

micky wrote:


I think Knoppix is supposed to be similar but I didn't understand it. I
know Hirens works. They're up to version 15.2 now, but old versions are
good too if they have Lazesoft.


It occurs to me, you could still do

bcdedit

while the computer is running and compare the output
to the previous output. Just to see how they differ
and how a working one looks.

There is likely to be more lines, with GUID strings
in them.

Paul

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