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Windows not booting with new OC

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  • CPUs
  • Asus
  • Processors
  • Overclocking
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February 18, 2013 4:28:09 PM

hello,
i have the AMD phenom II X6 1090T processor and the Asus m5 a97 pro. the bios for the asus mobo has 3 settings: power saving, normal and asus optimal. i have had it on optimal for while. optimal oc the processor for 3.2GHz to 3.7GHz. i have been trying to get this to 4GHz manually and i have but windows 7 does not like it and switches the computer off. I have tried a few different ways of getting it 4GHz but none of them work. I have been changing the CPU ratio, CPU Bus/PEG frequency and reducing the memory frequency as they are sensitive to OCing. When i get the CPU speed to 4GHz i save and restart the computer and then let it boot up but when it gets past the bios (which works fine) windows comes up with two options: windows repair and start windows normally. when i click windows start normally windows starts to load for about 1 second after the animation started and freezes. Then a blue screen with text flashes up and then it shuts down. I cannot read it as the computer is turn off straight away. as soon as i put it back to the original settings it works fine again.

how can I fix this problem?

Thanks in advance :) 

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February 18, 2013 4:35:34 PM

Hi,

Seems like your new O/C is very unstable, have you tried booting in at 3.8/3.9Ghz?

I expect the problem is not enough Vcore but I don't know your temps and current voltage so that's why I'm suggesting you reduce the clock slightly rather than add more volts.
February 18, 2013 4:38:51 PM

i have tried 3.8GHz and i keep the voltages the same. the Temperature i dont think are high as at 3.7GHz on idle was ~28'C and on load i think was ~45'C. from what i know is that at 4GHz it runs at 45'C on the BIOS
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February 18, 2013 4:45:34 PM

So does it not boot at 3.8Ghz either?
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February 18, 2013 4:47:12 PM

samqweqwe said:
no


What voltage are you using for 3.7Ghz?
February 18, 2013 4:54:05 PM

im not sure, i think it would proberly be the defult voltage which i think is 1.225v.
February 18, 2013 4:57:30 PM

sorry its 1.4v
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February 18, 2013 5:32:30 PM

Try a slightly higher voltage for 3.8Ghz, something like 1.425V.

If you can get into windows and start stability testing make sure your temps don't exceed 62C.
February 18, 2013 6:27:36 PM

what do you recemoend for testing. it finally got into windows :) 
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February 18, 2013 6:32:22 PM

Cool :) 

I generally recommend Prime 95 for atleast 8 hours or AIDA64. Remember to watch those temps with a program like hardware monitor or real temp.
February 18, 2013 8:05:58 PM

i have speedfan is that ok
February 18, 2013 8:23:35 PM

while running the test how do i know if my ram is ok because they do not have thermometors
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February 19, 2013 6:11:05 AM

Yeah speedfan is ok.

You don't need to worry about your RAM temps unless your really overclocking your RAM hard.

Providing your case has some airflow I wouldn't worry about your RAM temps.
February 19, 2013 7:23:02 AM

i think it is stable at 3.8GHz. it was ~52'C the whole way through for 11 hours. Should i take it up to 4GHz?
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February 19, 2013 7:28:27 AM

samqweqwe said:
i think it is stable at 3.8GHz. it was ~52'C the whole way through for 11 hours. Should i take it up to 4GHz?


That's good, temps are acceptable and it's stable.

If you're going to try for 4Ghz then you'll probably need more Vcore again, make sure you stay below 1.55V

Try something alot lower to start off with though, if it doesn't boot in with 1.425V then try 1.435V ETC...
February 19, 2013 8:33:43 AM

thanks
February 19, 2013 9:23:54 AM

I have 1600MHz RAM but when i OC the processor it goes to 1666MHz. is that a save OC?
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February 19, 2013 9:30:48 AM

samqweqwe said:
I have 1600MHz RAM but when i OC the processor it goes to 1666MHz. is that a save OC?


Yes it is safe, however I would make sure the DRAM and timings are what they should be, if you are not sure what they should be then you can check on the side of the RAM sticks (should be a small sticker with the info on it).
Also make sure that the overclock is still stable if the RAM frequency has changed, Prime95's blend mode tests the RAM aswell as the CPU so you can use that to ensure the RAM is still stable.
February 19, 2013 9:42:51 AM

I use AIDA64 and i see the CPU is at 100% as it should be during the test but the RAM is only on 25% usage. I have 3 sticks of 4GB. is the RAM being tested?
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February 19, 2013 9:47:11 AM

samqweqwe said:
I use AIDA64 and i see the CPU is at 100% as it should be during the test but the RAM is only on 25% usage. I have 3 sticks of 4GB. is the RAM being tested?


Well it is being tested but not heavily, Like I mentioned before, prime95's blend mode also tests the RAM, you can also manually enter the amount of RAM you want to be tested ( in your case you could enter 4000MB/4GB).

They're other programs that test RAM aswell like memtest.
February 19, 2013 9:48:09 AM

I'll try that
February 19, 2013 12:33:32 PM

is 64'C safe for the processor
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February 19, 2013 12:39:44 PM

samqweqwe said:
is 64'C safe for the processor


It's alittle too high, like I said before you really want to be staying below 62C, having said that stability testing will make your processor run hotter than nearly anything you'd use your computer for on a daily basis.
February 19, 2013 12:40:54 PM

that temp is during the test. it has been going for 20mins and so far it has not passed 64'C. it stays at roughly 63'C
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February 19, 2013 12:46:33 PM

samqweqwe said:
that temp is during the test. it has been going for 20mins and so far it has not passed 64'C. it stays at roughly 63'C


Ok, well then I would expect the CPU temp to be slightly lower under normal usage so you could probably get away with your current overclock.

To test this you could use the PC as you normally would for a day and leave your temperature monitoring program running, and then at the end of the day you could check the maximum temp it reached.
February 19, 2013 1:12:13 PM

do you know a program that says the maximum temp over a certain time. I only know programs that show the current temp
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February 19, 2013 1:15:46 PM

Yeah, hardware monitor and real temp both show the maximum temp (aswell as current temp).
February 19, 2013 1:19:37 PM

Ive manages to get the temps down but with the same clock. turns out the the CPU fan was only 80% when >50'C but now i changed it to 100% >54'C. it now about 58'C
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February 19, 2013 1:23:25 PM

What heatsink are you using with your CPU?
February 19, 2013 1:24:11 PM

arctic cooling freezer 13
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February 19, 2013 1:29:54 PM

samqweqwe said:
Ive manages to get the temps down but with the same clock. turns out the the CPU fan was only 80% when >50'C but now i changed it to 100% >54'C. it now about 58'C


Ok well 58C is much more comfortable for your processor than 64C so that is good. :) 
February 19, 2013 1:33:34 PM

thanks for your help
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February 19, 2013 2:51:02 PM

samqweqwe said:
arctic cooling freezer 13

Just had to ask to make sure you weren't trying to do all of this with the OEM heatsink.
!