Won't even boot bios or os

No_Name1 · Mar 13, 2016

Whenever i play some demanding games, automactically, my PC is force to reboot. When it's force to reboot, it won't even load bios nor the OS. This even happens sometimes without playing any games. Force to reboot, and can't load BIOS or OS. I had to forcefully shut it down and put it on hoping that it would boot properly back, or at least wait for hrs and then try putting it on back for it to work.

Specs:
AMD r290
i5 4460
CX600M bronze
SSD 250
HDD 1TB
8GB ram
Gigabyte motherboard.

no overheating.

No_Name1 · Mar 13, 2016

PS: it happened recently...before it was working fine. Is it some hardware failure?

Geekwad · Mar 13, 2016

How old is this build?

For an R9 290 you should have a very good quality 650w+ PSU. Being that yours is slightly lower in wattage and isn't nearly as robust....my first suspicion would be that, especially if it's starting to age now.

Have you monitored this (12v rail) into the failure?

smorizio · Mar 13, 2016

http://www.hwinfo.com/
download the 64 bit test software set it to logging and sensor. watch your 12v rail in games if it drops below the atx spec replace the power supply.

No_Name1 · Mar 13, 2016

This was built around 2015 august. Problem started around dec when i decide to play some demanding games after a long break. I've not monitor the 12v failure but i will do and what do you mean with the "atx spec"

http://prntscr.com/aes0b3

Vic 40 · Mar 13, 2016

Hwinfo will be much more accurate than hwmonitor so try that one.

ATX SPECS

No_Name1 · Mar 13, 2016

But im not using a ATX motherboard
its GIGABYTE H81M-H
http://prntscr.com/aetl3r

Vic 40 · Mar 13, 2016

If you read the link carefully you'll see a part about voltages for the psu and what they should be within.This has nothing to do with the size of the motherboard.

No_Name1 · Mar 13, 2016

uhh, so if it falls below 12 it means somethings wrong? The problem is that...i might not even be able to check my 12 V rail if i just crash immediately while loading, for example, Resident evil 6.

smorizio · Mar 13, 2016

if it set to logging it may save itself to a log file before it crashes. if not see if a friend has a digital meter set it to read 24v dc. on the 24 pin atx conenctor with the pc off conenct the black power lead to any black wire. *ground). connect the red power lead to 12v line.
http://www.smps.us/atx-connector-20-24pin.jpeg
power up the pc...load a game see if the voltage drops under load.

Vic 40 · Mar 14, 2016

Some instructions for logging,

Download hwinfo32,

http://www.hwinfo.com/download32.html

You can open hwinfo32,after that open the sensor window by checking sensors only=V,
after that click run,then click at the bottom "Logging start" ,
after that choose a name and place for the log. like Hwinfolog at your desktop.Leave it open and do game/stresstest or whatever you do until a crash.The log will end at that point but will be saved.
You can look at the log yourself with either excel or libre office calc (freeware).

No_Name1 · Mar 14, 2016

I did the log thingy and surprisingly...this is what i got
http://prntscr.com/afaswk
but HWmonitor gives me a different result.
http://prntscr.com/afat8q

smorizio · Mar 14, 2016

start an rma on the power supply. the logging porgram showing the power supply not holding 12v rail. showing under light load it dropping to 11.8v that not good it only .2v over the failing atx spec.

No_Name1 · Mar 14, 2016

but is .2 drop that significant? i mean..its only .2 drop. Must it always be at 12 and over? I'm don't understand much in depth in these things. Would be glad if you can explain.
also, would this affect my other hardware? the sudden shut-downs etc. and i've also constantly force shut down and on my desktop back and forth for it to work after the crash. normally if i wait for around 5hrs it would reboot properly back, just sometimes i got impatient. Does this have any effects on my other hardware ?

smorizio · Mar 14, 2016

pc run fine with the rails run a little above or below the atx spec that was posted above. on the 12v rail the min is 11.6v
having a power supply drop close to that is not good. a a tech i seen power supply burn out mb and drives. the cx unit you have is not a good unit look under towns hardware guild power supply tier list it way down there.

No_Name1 · Mar 14, 2016

im ordering a Corsair RM Series, RM850, 850 Watt (850W), Fully Modular Power Supply, 80+ Gold Certified. Am i suppose to fear that my other hardware would also start giving trouble because of this?

No_Name1 · Mar 29, 2016

Solved. It was the PSU
Thanks for the help

Won't even boot bios or os

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