Laptop MSI GT780DXR shut-offs during graphical load

ShadeO89 · May 10, 2014

Hi guys

So I have an MSI GT780DXR and I've been having problems with this laptop for quite a while now and honestly I am at my wits end.

The problem is that whenever i use my computer for something heavy like playing a game og working with large pictures in photoshop, my computer simply reboots. The reboot is quite sudden, it powers off, and there is no lights or anything in the computer for a few seconds, then it powers back up. Sometimes it even powers down during the new boot and repeats the process a few times.

- I've been researching the problem extensively and tried reapllying thermal paste + cleaning fan and ducts

- I've tried run my games and whatnot on lower settings

- I've even replaced my AC adapter as i read in a tech forum thread that that might be the problem.

So I recieve my new AC adapter today, plug it in and start up a game, and, well. The problem persists, and the AC adapter wasn't cheap!

What am I to do :'(

EDIT: My temps rarely hit 80 degrees C and i continue to have power-offs as if the battery wasn't in the laptop and someone would pull the power-cord, then about 5-10 seconds of silence and then it powers up again by itself.

RazerZ · May 10, 2014

What is your PSU?

ShadeO89 · May 10, 2014

You mean power supply unit? It is a MicroBattery Model : ST-C 18019000950CT

19V 9.5A 180W

i7Baby · May 10, 2014

http://www.msimobile.com/level3_productpage.aspx?id=319

It was probably a high end laptop when new.

You've done some things that I would've recommended - clean it out. But 80C is still pretty hot - for gaming anyway (not for cpu stress testing).
And reseating the cpu. And replacing the adapter (psu).

Off hand I think its a mobo problem. Did you double check connections? Have you tried a cmos/bios reset?

Can you download and run hwinfo and provide screen shots of the detail results. And do you know your Vcore? HWinfo will tell us alot abot voltages. If the psu is ok, then it really has to be the mobo.

ShadeO89 · May 10, 2014

I haven't tampered with CMOS(dunno exactly what is?) or BIOS as i read thaat flashing my BIOS incorrectly could render my laptop door-stop worthy

I already have HWinfo and i don't know what a Vcore is, I will post a screen cap of HWinfo now

ShadeO89 · May 10, 2014

This was taken after the laptop had reebooted because of a game

http://i.imgur.com/njCQvBY.png

i7Baby · May 11, 2014

cmos/bios reset just puts bios back to its defaults. You should be able to do this is bios or if not (as on older mobos) you can turn off the pc, wait 5 mins, remove the cmos/mobo big button battery, wait 5 mins, put the battery back then restart the pc.

HWInfo should provide more info than on your link. Normally these 3 screenshots to get it all. Your cpu temps seem high (44 to 49C no load)

plaintuts · May 11, 2014

since you already disassembled your laptop,

you can check the inverter i/c chip on the board ("its the thing with the socket for the a/c adapter") with a voltmeter or you can just physically inspect it for burn marks.

you may also want to recheck the thermal pads that cover the VRM for proper contact.

load optimal defaults on the bios

if all is well, boot up and check if the problem persist

ShadeO89 · May 11, 2014

Okay so I've tried to load deafult settings of my BIOS an the only change that happened was that it set my drives to run in RAID (which is not possible as I've installed a Samsung 870 SSD in the laptop instead of one of the HDD's) and then it changed my boot priority (which also doesn't seem to have anything to do with the problem).

Regarding checking the thermal pads of the VRM, I basically don't know where the VRM is seated :S

ShadeO89 · May 11, 2014

I've also tried opening the laptop again and look for burn marks, but nothing to see, and I don't owm a voltmeter :S

i7Baby · May 11, 2014

Can you provide (3) screenshots of the hwinfo detailed report?

ShadeO89 · May 11, 2014

Do you mean this program? : http://www.hwinfo.com/ 'cause i have the HWMonitor program which was the screen shot i provided. And this is what i am getting from HWinfo: http://i.imgur.com/9JoIRr7.png

ShadeO89 · May 11, 2014

Whoops! found it. I couldn't find where it dumped the report file, but I've found it now. What would be the important things to take a screenshot of its quite a long report (109 pages when converted to a pdf) ._. ?

i7Baby · May 11, 2014

Crikey! I usually only get 3 screenshots.

I think one is CPU-ID HW Monitor. And the other is HWInfo. The 64 bit one if you've got a 64bit cpu/OS. HWInfo64.

Maybe just give me some readings for 12V, 5V and 3.3V - min and max. This should tell me how well your psu is behaving.

ShadeO89 · May 11, 2014

i7Baby :

You are right, it CPUID HWMonitor, I think that I've just created a summary of my entire system instead of getting like a test with results :S

EDIT: OKAY! i think i've found the summary that you were looking for

1: http://i.imgur.com/h7UQKTg.png

2: http://i.imgur.com/MeKcE2W.png

3: http://i.imgur.com/0UDl886.png

ShadeO89 · May 11, 2014

RazerZ :

You mean power supply unit? It is a MicroBattery Model : ST-C 18019000950CT

19V 9.5A 180W

plaintuts · May 11, 2014

Try this

Remove the battery, plug the a/c adaptor the power on your laptop.

Check if the issues remain.

ShadeO89 · May 11, 2014

A new variation of the shutdown has occurred, this time it shutdown on battery power alone.

I've observed that the shutdown occurs when on AC adapter, but not on battery power alone, but then when it shuts down and I pull the AC plug, the laptop will do a second shutdown and reboot.

It's like the shutdowns come in pairs. Once when running on full power (AC adapter) and then a second time regardless if it is plugged or not

ShadeO89 · May 11, 2014

plaintuts :

I've tried this and the problem persists

plaintuts · May 11, 2014

Do you have a voltage regulator of 220 volts? If you do, use that and try again without the battery.

ShadeO89 · May 11, 2014

plaintuts :

Sadly i'm not in possesion of such a device

plaintuts · May 11, 2014

Well, do you a spare hard drive?

As for last resort, to fully identify if the problem is indeed hardware.

Remove your old hard drive, the replace with it with another hard drive, install windows, install minecraft then check if you can reach the ender dragon.

Else,

Its, the inverter chip on the laptop mainboard.

ShadeO89 · May 11, 2014

plaintuts :

So what you are saying is that it is probably the inverter chip on the mobo?

plaintuts · May 11, 2014

for the hardware side
the power brick a.k.a the a/c adaptor supplies 18.5 v to the inverter chip, actually its a charging pin with capacitors.

charges the battery, then the battery supplies power to the laptop. it also acts as a voltage regulator.
any points of this can fail.
or you may also have a failing hard drive.

for the software side.

it's hard to identify the current state of your operating system's stability.
since file corruption, invalid registry entries and I/O conflicts are part of just plain using the OS.

so a fresh install, resets all that.

ShadeO89 · May 11, 2014

plaintuts :

I just find that hard to believe as I did a fresh OS install 'bout 3 months ago to my new SSD, and the HDD doesn't have any errors, so I don't think it has anything to do with either OS or harddrives.

I am much more inclined to believe that it could be a problem with the power circuit as you said

As a sidenote this problem is something that gradually came along it started as fps drops in bf3 and then turned to sudden power offs and is now to a point where i can't open a demanding game

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