monitor.sys 0x00000050 BSOD

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andropidus

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Jan 30, 2015
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Hello. I having BSOD problems since I got this laptop (Around Novemeber 2014) but I did not want to address the problem until now (don't know why).

I have to say that:

My laptop did not come with Windows installed, it had Free DOS and I had to format my disk to NTFS.

I can't know if my laptop was BSODing with vanilla Windows installed (no drivers) because I installed all of my drivers and windows updates on the very same day I got the laptop.

It never BSODs while I am working with it. Only at startup and not always (It boots up normally more frequently than BSOD. But it will BSOD 3/10 startup times).

According to Device Manager both my Intel HD graphics family and NVIDIA GT740m are up to date.


My laptop:


Windows version: Windows 7 Service Pack 1, 6.1, build: 7601
Windows dir: C:\Windows
Hardware: X750LB, ASUSTeK COMPUTER INC.
CPU: GenuineIntel Intel(R) Core(TM) i5-4200U CPU @ 1.60GHz Intel586, level: 6
4 logical processors, active mask: 15
RAM: 4170764288 total
GPU: Intel (R) HD Graphics Family
NVIDIA GeForce GT 740M


Whocrashed blames:

monitor.sys PAGE_FAULT_IN_NONPAGED_AREA
Bugcheck code: 0x50 (0xFFFFFA810633DAA8, 0x0, 0xFFFFF8800480792B, 0x5)

while BlueScreenviewer shows something about
PAGE_FAULT_IN_NONPAGED_AREA ntoskrnl.exe but does not show anything about monitor.sys



Any help would be great =)
 
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Akram Sidena

Akram Sidena

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Apr 8, 2013
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Did you try to make a Windows re-install? (Clean one)

Also perform a repair mode ( When booting click any key that leads to Advanced Options , and choose Repair/Fix instead of Start Windows Normally)
 
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andropidus

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Jan 30, 2015
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If I finally don't fix the BSOD problem I will:

1. install linux in a new partition and restart my laptop around 100 times (booting on linux). If It "BSOD's" one time it means its a hardware side problem and I get it back to the manufacturer to get my laptop replaced.

2. If Linux don't "BSOD" (not sure what Linux's BSOD look like, my brother will know better) then I re-install Windows 7 and I pick very carefully what Drivers I install.


Could this be caused by nvidia experience? It's an official NVIDIA tool that goes with the NVIDIA drivers but it's actually useless and has nothing to do with increasing your GPU performance or at least tweaking it and I uninstalled it.
 
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Akram Sidena

Akram Sidena

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BSOD is absolutely about something wrong with HDD and exactly about files it handles, such as Monitor.sys or something. Try to uninstall all GPU drivers, and check how many times it BSODS, otherwise it's not the GPU, but some Platform failures, which means you will have to clean-install. I am kinda sure that Linux won't BSOD.
 
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andropidus

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I uninstalled both of them

Intel (R) HD Graphics Family
Nvidia GeForce GT 740m

and after a restart (resolution was set at 800x600 or 640x480 don't remember, i set it back at 1600x900) Windows installed by their own something called
Standard VGA graphics adapter, is that alright or i should uninstall it too? I suspect that windows will install it every time I boot.

I am starting with the restarts right now (will do restarts until a BSOD happens, if no BSOD happens after 50 restarts I can assume that it is a GPU drivers problem and try to fix it? - so just install them again maybe due to problematic installation ? )
 
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andropidus

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I restarted my computer 15-20 times and no BSODS at all (while before when i was trying to find a solution over the internet I had BSODS every 2 or 3 successful startups) =) I think I should blame Intel HD Graphics Family or NVIDIA, something tells me It's Intel though...

Device Manager shows VGA Graphics Adapter and NVIDIA Geforce 740m installed (picture: http://imgur.com/Nqn5iQi( (NVIDIA geforce installed by windows automatically the first or second time after I started the restart tests)


Next steps I should take?
Go to Intel and NVIDIA and download their latest drivers?
 
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Akram Sidena

Akram Sidena

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Since windows auto-matically installed VGA Graphics Adapter and NVIDIA Geforce 740m and ni bsod yet. i guess u have to give up on intel and never use it again. stuck to nvidia which is the valid one currently. don't install intel's driver, just nvidia's and work fine
 
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andropidus

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Thanks a bunch! Would not be better for my Nvidia card sake (Temperatures and such) to be used only when I am gaming and Intel HD for more casual stuff like Browsing?

If I only have NVIDIA does it mean I will notice some decrease in the performance since my NVIDIA card will do everything on the Graphic side? (i.e Chrome will use Nvidia instead of Intel. Windows will use Nvidia instead of Intel while I used NVIDIA only for gaming)
 
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Akram Sidena

Akram Sidena

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If you install Intel drivers again I think you will face BSODS because once you had Intel installed, BSOD happens, without it , it doesn't. I think NVIDIA drivers would not requite Intel Drivers because both must work irrelevently. Two Graphics card can't work at once, you have to plug your monitor into Nvidia Card instead intel card. Nvidia card is much better than Intel HD Graphics and may be you will notice no decrease in Performance, or may be you will notice better performance, because your PC was working under Intel's I think. You will need just one Graphics card, two are unneeded.
 
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Akram Sidena

Akram Sidena

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Aha so Intel HD Graphics is the integrated essential card, and Nvidia is external. Nvidia is much better than the integrated one. Windows won't require Intel HD Graphics, tell me how it did, screenshot what how it required it, cuz it's weird
 
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andropidus

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Unfortunately I already installed the Intel HD Graphics and now latest NVIDIA drivers are being installed so I can't screenshot it.
But I've normally downloaded the latest Nvidia drivers (before I install again Intel HD drivers) and at the startup of the installation of Nvidia drivers a pop-up came up saying "In order to install NVIDIA drivers you have to install Intel drivers first" then it had only one option saying close or ok, don't remember, but once I clicked the button the NVIDIA driver setup closed (checked on task manager, it was indeed closed) and I tried it one more time and it said the same thing.

(Yes i am pretty sure i downloaded the correct version)
 
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andropidus

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The driver from the ASUS site for the Intel HD graphics is from 2013, sounds out-dated to me but I could not find my exact model for my Intel HD graphics so I downloaded the Intel driver update tool which hopefully would find some updates for my Intel card (And it did!)

I'll reply again tomorrow since I have to go now, but I am very glad we spotted the problem here and It's not hardware related!
 
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andropidus

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Back with updates:

I had 2 BSOD's since then, but not at the startup, one was 2-3 seconds after I was on desktop and the other one was while I was trying to install the newer Intel HD Graphic drivers.

So i have not achieved updating the Intel drivers and this is what i am trying to do right now.


UPDATE: They just got updated! "Restart required" i will restart and check if problems persist.


Could it be faulty hardware from Intel HD graphics? Or this is 100% positive a driver failure? (I can assume it is a driver failure? )
 
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andropidus

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Jan 30, 2015
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I had a BSOD for the same reason this morning on startup.

Should I re-install windows or put a different windows version? (My laptop is ASUS R751LB and it supports both Windows 7 and Windows 8 and I have Win7 right now)
 
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andropidus

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Installed today a fresh copy of Win8.1 (clean install) during restarts I have not seen any BSOD and I doubt it will happen anything. I will make sure to reply back in 2-3 weeks if no BSODS appear..
 
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johnbl

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if you change the memory dump type to kernel, then next time you get a memory dump I can read the error log from monitor.sys if you want.



 
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