PC abnormal behaviour (works in safe mode/problems in normal mode)

ADYX1000

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Mar 21, 2016
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PC specs:
MB: ASUS P8P67
Intel core. i7-2600k @3.4GHz
RAM 4GB (corsair 2x2GB set)
PSU: nox-apex series 800W
GPU nVidia GTX560Ti (1GB)
Win7 64 bit SP1.

Problem description:
ive been having a stupid ammount of problems with this pc especially in the past 4-6 months. the root to all of it seems to always be the same, because it always does one of these 2 things:
case 1: it wont start up, literally, it gives a 1 long BEEP then 3 short BEEPs, which forces me to open it up and break apart, then after "rebuilding" it seems to work (sometimes it requires more than 1 rebuild)
case 2: it starts and then regular windows doesnt work, i have to use it in safe mode (which seems perfectly stable, never really had an issue in that mode). if i try to use it in regular mode it does one of several things:
A) does not complete the start up: either freezes on windows loading logo, or freezes after it (in the screen where you pick the pc user) or i manages to actually start up then freezes in 1 to 5 minutes.
B) starts up then the screen dies and i cant do anything, or it starts going down and up (with nVidia driver message) or it goes black then auto-restarts the pc
C) starts up and doesnt give any problems as long as it is idle, then as soon as i try to use it (be it trivial like opening chrome or heavy like opening AC3 on max settings) starts freezing (see point B issues).

i had to literally restarts the pc twice just to write this post.

EDIT: i am inclined to believe the culprits are either the GPU or PSU since safe mode works fine and same goes for "normal mode" with disabled GPU, as in basic graphic mode that windows provides.
EDIT2: after a full 6 hours of restart and freeze before windows starting i opened safe mode and uninstalled all GPU drivers, then installed the latest version, after which it will let me enter windows normal mode but with no stability whatsoever (see points B and C)
 
Solution
Hmm. I would guess some drivers are either not installed correctly, or not even installed.

Have you installed drivers on the manufacturer's website for EVERY part? It would seem like your network adapter drivers are not installed.

I had a nightmare of a problem a while ago, very similar to what you are having right now. After all your drivers are installed, try to give updating BIOS a shot. https://www.asus.com/us/support/

If those don't work, I would guess something is not fully connected, causing unstable power.
Start here: http://www.tomshardware.com/forum/261145-31-perform-ste...

Captainawzome

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Nov 28, 2015
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Hmm. I would guess some drivers are either not installed correctly, or not even installed.

Have you installed drivers on the manufacturer's website for EVERY part? It would seem like your network adapter drivers are not installed.

I had a nightmare of a problem a while ago, very similar to what you are having right now. After all your drivers are installed, try to give updating BIOS a shot. https://www.asus.com/us/support/

If those don't work, I would guess something is not fully connected, causing unstable power.
Start here: http://www.tomshardware.com/forum/261145-31-perform-ste...
 
Solution
Well first thing first is bare bones.

Turn power off at back off pc, turn off at socket then press the pc button a few times to empty left over power.

-Remove GPU and plug display cable into motherboard iGPU
-Remove all fan cables from board (Keep the case on its side open when you turn the pc on)
-Remove Disc drive, HDD's and or SSD's
-Remove all RAM except one stick
-You should now only have 1 stick of ram slotted in and the CPU power cable and MOBO ATX power cable plugged into the motherboard.

Turn on computer and check you can access BIOS

Then if you can turn off the computer at the back and socket again then press power button a few times then plug in your master storage device which holds the OS.

Turn on computer and boot to OS
 

Captainawzome

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Nov 28, 2015
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From the errors he's getting, this does not seem like a hardware problem, just something in his software (outdated drivers?) acting up.

First check if your drivers are updated and/or installed, then if to no avail, then go bare bones, just MOBO, CPU, 1 stick of ram, and power.
 
If you have done what I listed in my post but still cant get in then im guess MOBO is the fault you will need to replace and do a full clean install of the OS on your SSD/HDD.

If at some point an error happens during the install I would put the problem at the disc/usb file but if you get and error on windows load up or if you get on the desktop I would say you may have a bad OS file or storage device.
 

ADYX1000

Commendable
Mar 21, 2016
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1,510
Code:
Hey its adyx from mobile cuz stupid pc died again and wont restart...

I did the clean thing boot and it works fine (only pullrd video card out ) and worked for abt 4 or 5 hrs. Then i put it bk again to test the "disabile video card " and that worked too. A strange thing is i have this gpu temperature programand whenever screen goes black it seems to go down ro 0 or close to it

EDIT: what do u mean no network drivers? As far as i rexall i only put audio drivers and video. What other thing should i look at? (The others i dodnt care/let windows auto driver take care of)

EDIT2: ok i got the damn thing to work (again in safe mode...) and i im back to provide some more details: i also get this after faillures
Firma problema:
Nome evento problema: BlueScreen
Versione SO: 6.1.7601.2.1.0.256.48
ID impostazioni locali: 1040

Ulteriori informazioni sul problema:
BCCode: 116
BCP1: FFFFFA8005555010
BCP2: FFFFF8800F59E580
BCP3: 0000000000000000
BCP4: 000000000000000D
OS Version: 6_1_7601
Service Pack: 1_0
Product: 256_1

and may have to specify that this pc is from march 2012 (nothing has been put in ever since, occasionally stuff was taken out for these very problems im describing, mostly additional USB ports or fans)

EDIT3: i probably should add the whole mess started out after trying to play some AC3 on max settings, it gave me one of those loud nasty freezes and after it... well you know the rest
 
Looking up your POST problem(1 long 3 short) indicates a RAM or GPU problem. I'd try a bootable cooy of Memtest86 to test your memory modules individually to be sure. If that's fine, I'd suspect your GPU as you pointed out this started running AC3 on max settings. You may want to run your system a day or two without GPU installed to see if things run normally to narrow this down.
 

ADYX1000

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Mar 21, 2016
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it seems to also work with it the GPU disabled (from device mngr), but im pointing also at the psu since ive been reading (for the past 2 days) on the forum about ppl with GPU problems in which experts often adviced to check wether its a power problem or not.
i know the "worst case scenario" is GPU is fucked up so i need to replace, but im trying to explore all possibilities to avoid spending money on my pc (which, again, is quite old and im rather curious if there is anything salvageable for when ill upgrade)
 

ADYX1000

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Mar 21, 2016
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wait, when you said "update BIOS" did you mean the pc bios or the GPU bios? which btw i found out existed like 20 minutes ago while reading posts of users with similar problems.

EDIT: after trying to "check the situation" by watching some graphs with afterburner here s the result http://i67.tinypic.com/2dl7rx1.png and http://i64.tinypic.com/14w839u.png i dont really know what all of this means but the spikes were from opening prince of persia forgotten sands (a "not so heavy" game) and waiting in the menu screen. thats pretty much all i did, then i had 2 consecutive freezes, which corespond to the down spikes and then i closed it.
should i be worried by that 4billion% GPU usage from afterburner?
 

ADYX1000

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Mar 21, 2016
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Final update:
it appears captainawesome was right, it was indeed a driver problem: i had to downgrade the nvidia driver to 314.22 (apparently the most stable driver so far for the GTX560ti) and now the pc works. i still get driver crashes every now and then but it just restores itself in a couple of seconds, so nothing major.
 

Captainawzome

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Nov 28, 2015
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:)

If anything else pops up, make sure to send me a message or start another thread!

Have a great day!