Urgent: Laptop won't boot, intricate question

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Bresson

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Hello, my technical question is a rather difficult one at first sight, i shall start by telling you guys what happened. I had the typical problem of the: (plugged in, not charging. Battery 0%). This issue didn't bothered me for over two years, as i don't go mobile with my laptop and the battery worked for over ten minutes while unplugged (as far as i could verify due to a power shortage episode(s) despite being sensored at 0%).

I did what i shouldn't have done, which is to fix something that is not broken, as far as functionality goes, of course. Doing so by unistaling both the ACPI compliant method control battery driver and the AC adapter driver as it is instructed by several technical articles and tutorial videos in the internet, including for laptops with a non-removable battery as it is the case of my Toshiba Satellite L50-A-111 Laptop (I7 4700MQ, GT740m, 2x4 GB RAM 1600 Mhz, Windows 8).

The result, my laptop will not boot, the LED won't light up by plugging the AC adapter, so that means that with a non-removable battery i will be forced to take the laptop apart. I realize now that if i hadn't unnistaled the AC adapter driver all of this could have been avoided, nonetheless those were the instructions and i suppose the firmware would still override the necessity for a driver in order to feed and boot the system.

What can i do, what should i look for? The AC adapter is in perfect condition and the laptop worked without it (despite being sensored at 0% battery). How can i power up the system so i can undo the mess i have done? I thought about taking the laptop apart and trying to boot it without the battery on (after a static discharge), and/ or look for any hardware failures (which seems unlogical at first due to the simple fact that it was the removal of two drivers that caused the problem).

I should have known better with my experience... I have hundreds of hours of work in that laptop and it is the only one i have. For the moment i am using my sister laptop, which is far worst at several levels by comparison being a ASUS X54H (I3 2350m, AMD Radeon 7400m, 4GB ram 1333 Mhz, Windows 10).

Followed all the instructions as per this video tutorial:
.


Sincerely,

Micael Liberal
 

Bresson

Thread Starter
Joined
Mar 3, 2018
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5
Well, i was hoping for some insight on this matter, but apparently no one is qualified enough to answer a simple theoretical question. More than a solution, i would like to receive some input on theories and opinions on the subject. Deleting two simple battery drivers on this particupar case, almost had the same effect of erasing or updating a corrupt BIOS into the motherboard.

Anyone can answer simple questions, either by possessing the required knoknowle or researching them. It's not so easy when you are presented with multiple variables. Still, i remind you that this is a simple problem, even though it might look hard at a first glimpse for unexperienced IT professionals or laptop enthusiasts.

My warranty is expired, both the initial and the extension given after i had replaced the motherboard, which is when this problem first occurred (not immediately after). I already know the possible outcomes of this hardware/ software issue, i just want to know if someone is in possession of privileged knowledge as this is a very common issue that it is unfortunately damaging hundreds of thousands of people.


Sincerely,


Micael Liberal
 

etaf

Wayne
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This site is run by volunteers and expecting an answer in a few hours on a free site is very optimistic.
You may have to wait upto 72 hours for someone who has the knowledge and is around to answer.
 

Bresson

Thread Starter
Joined
Mar 3, 2018
Messages
5
This site is run by volunteers and expecting an answer in a few hours on a free site is very optimistic.
You may have to wait upto 72 hours for someone who has the knowledge and is around to answer.

Well, i ended up taking the device to a known friend of a familiar who is a Nigerian IT engineer, owner a repair shop/ money transfer/ call centre/ cyber cafe. I know it looks shady and some of the analogies he made regarding the issue were pure hogwagh, but he is definitely qualified and as honest as they come, at least seemingly. He basically said that regardless of what driver is unistalled, the device should still be able to be fed with power in a non-conflicting defective hardware scenario, which is also my opinion, but as scientist one has to possess plausible evidence in order to present a theory.

I will go to a computer shop and unistall the battery drivers of one of their devices to test my theory, as i won't risk it on one of the ones at my disposal. Let's see what comes out of this, if he does try to swindle me he can say goodbye to his shop and for me, i guess that i will just have to case and B&E a computer shop in order to get me a new one. Still no answers...
 

etaf

Wayne
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65,487
Thanks for letting us know and updating
 

Bresson

Thread Starter
Joined
Mar 3, 2018
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5
Thanks for letting us know and updating
So, to put it in a succinct way, apparently the power jack in the laptop was defective. According to him it was unhinged, so he tried soldering it, as that did not work, he proceeded to replace the original piece with a used one, fixing the problem. Others issues like the dedicated GPU overheating or the battery issues (plugged in, not charging. Battery 0%.), were overlooked as it would have costed me more. I know thermal paste is inexpensive, but i was not about to risk it, especially because i am for the moment a retired videogamer.

To go straight to the matter in question, fixing this issue at a hardware level did not even required for a manual reinstall of the battery drivers as they were automatically. This partially "proves" what i though to be ludicrous in the first instance, that uninstalling the battery drivers (ACPI and AC adapter) would render the device powerless. Still, it does not explain how come a perfectly functioning device, either plugged in or unplugged, after uninstalling the battery drivers ceases to function after a shutdown. If the power jack was unhinged in the first place, and or defective, then how come the device worked? It makes no sense whatsoever, so this matter is far from being explained. Let´s see how long this fix will work and if due precautions like static discharge before and during the repairing of the equipment were taken (something that cannot be discerned in system analysis).

The repair took less than two hours and the equipment was delivered in the next day after being taken to the repair shop, the cost of it was €29, but i ended up paying only €25 through bartering. Going back to the GPU matter, which can also be a motherboard problem, the issues with overheating and consequential stuttering and static sound to the point of rendering almost all games unplayable only happened after forcing the GPU to an exaggerated overclocking at all levels (except for the voltage), while playing Witcher 3 at July 2016 in the apex of the summer. Before that, i never had any issue whatsoever playing even the most demanding video-games from June 2013 to that time using this laptop. He said everything was okay with the rest of the hardware, but i was not there to supervise what he did or not.

The issue is solved for the moment, but i will not mark this thread as "Solved" until a certified specialist comes and states clearly that a device cannot be rendered powerless by the removal of the battery drivers and tries to explain what might have happened in my personal case. As for other persons that might be looking for a similar solution for the same circumstances, i suggest they´d stick to a hardware power supply circuit diagnosis (either external or internal).

Special footnote for you: If i do try to burgle a tech device like a desktop or a laptop, is there any chance they have a footprint of the devices in stock that could lead the LEO to my apprehension through an internet connection? I don´t need suggestions to how to circumvent this issue, i just want to know if they may have in fact a database with that ethernet or wi-fi ID.
 

etaf

Wayne
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Joined
Oct 2, 2003
Messages
65,487
i have had 2 laptops that had that issue , quite a common fault, I know someone who runs a local computer repair shop, many years ago, when laptops were more common, they would probably get a power connector issue once or twice a week.
And from my own experience re-soldering does not always work, even after 2 attempts I ended up changing the socket on one of the laptops

I'm not a gamer so not sure about all your other points . - You may want to start a new thread about that
 

Bresson

Thread Starter
Joined
Mar 3, 2018
Messages
5
i have had 2 laptops that had that issue , quite a common fault, I know someone who runs a local computer repair shop, many years ago, when laptops were more common, they would probably get a power connector issue once or twice a week.
And from my own experience re-soldering does not always work, even after 2 attempts I ended up changing the socket on one of the laptops

I'm not a gamer so not sure about all your other points . - You may want to start a new thread about that
Regarding the matter of creating a new thread about my GPU issue, i doubt that it would be of any use in my personal case. It´s like trying to diagnose cancer over the internet, i know the only possible fix goes through checking the GPU, motherboard and fan integrity and applying thermal paste. As far as the criminal hypothetical question, i completely understand your reservations regarding the matter. It´s the wrong place and method to obtain privileged information and rather uncharacteristic of someone with my sophistication. It was just a question layed on the table on friendly terms without legal compromise.
 
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