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Old 06. Aug 2013, 10:58 PM   #21 (permalink)
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I'd very much like to hear the solution too if/when you find one, just for future reference and general curiosity.

I've used a few Wise programs quite a lot for a while now, on the whole I think it's pretty good software. The part of your OP that rang alarm bells for me was "Uninstalled whatever resident AV was on it and installed AVG free.", I wonder if it was this that caused the initial problem, as uninstalling AV software can easily go horribly wrong.

At the same time, perhaps there was already an infection or some malware on the machine, which led to AVG deleting some essential system files. I've known this to put a PC out of action before as well, especially if the AV is run in Safe Mode or from CD, which allows it to delete essential system files.
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Old 06. Aug 2013, 11:16 PM   #22 (permalink)
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Originally Posted by sicknero View Post
.....which led to AVG deleting some essential system files.
In my opinion, that's the reason for the PC not booting. Users should never delete a file just because is being detected as malware. The user should always investigate each detection to make sure what it is being detected and deleted is actually malware.

Joe, in my opinion, your brother is mostly at fault, then the antivirus.

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Old 07. Aug 2013, 12:09 AM   #23 (permalink)
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Quote:
Originally Posted by sicknero View Post
...uninstalling AV software can easily go horribly wrong.
Yeah, I know. I've been there... lol
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Originally Posted by bo.elam View Post
Users should never delete a file just because is being detected as malware. The user should always investigate each detection to make sure what it is being detected and deleted is actually malware.
Also agreed. The same goes for registry cleaners. IMHO, it's a prerequisite that anyone using registry cleaners must have a good working knowledge of the registry. Simply running a registry cleaner then deleting whatever it finds is a recipe for disaster. I believe that's why you're given the choice to delete or not - the onus is placed squarely on the end user.

Long story short, the laptop still booted even after the former AV was uninstalled, and AVG installed, and and a full scan/deletion done. That tells me it wasn't due to either AV conflicts or AVG deleting vital system files. It was only after he delete the registry entries Wise found that it became unbootable.

As said earlier, the damage is done (and hopefully a good lesson learned too).

I'm curious too about what is wrong. Hopefully, if and when it's fixed I'll know and post again.
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Old 07. Aug 2013, 02:42 AM   #24 (permalink)
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You should try the hard reset first... and maybe the clear CMOS procedure, if hard reset does not work.

I wouldn't go for BIOS restore now... because it seems strange to me that a registry cleaning would cause such issues. System files delete, and/or registry cleaning will most likely cause an operating system issue, but this startup issues are strange.

I don't own an HP laptop, so can't say, but since HP Invent screen is being shown, it may mean that BIOS is OK? Strange that the laptop won't enter even the BIOS.

You should try BIOS restore as last resort, if nothing works.

It might be a good idea to post on another forum, like www.techguy.org, or, www.tomshardware.com, where really experienced people can suggest possible solutions... if you do not get a possible solution here on this forum.
Anupam is right, Registry cleaning won't prevent boot to and setup of the BIOS as the Registry doesn't come into play until the system partition is accessed by Windows. At worst it could be a part failure on the laptop or the user may have used further destructive utilities.

I would try removing the hard disk drive as there are several examples of this working e.g. hard disk problem prevents access to Setup. If removing the drive gets get you into Setup then repair the drive in another system before reinstalling it. I would also run a memory test.

Unlike Anupam, I would do a BIOS restore, if it is possible, because the problem is occurring during the BIOS routines. The laptop gets to the splash screen and then stops. The BIOS on this laptop can be updated (flashed) so it is possible to corrupt it or erase it. In this case, if it was corrupted then there should be a test that warns if the BIOS is corrupted. I couldn't find a list of HP BIOS error messages to confirm that this is the case. But as no message appears then chances are it has hit an unexpected problem with a component. Hence look at the disk drive or memory.
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Old 08. Aug 2013, 01:10 AM   #25 (permalink)
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Yes, I understand the reasoning behind why it shouldn't be a registry issue.

I don't have the hardware to hook up the drive to another computer, so that's out of the question. As it is I've spent enough time on this issue already so I'm leaving it to the experts whenever she decides to take it in to repair.

Thanks for the suggestions anyway Remah.
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