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Noob needs help with PC I inherited

post #1 of 19
Thread Starter 
My Father in law gave me this sweet PC that I am just learning what it can do. I've done some research on overclocking and it can be very confusing but I am trying to figure it all out.

Basically I am having an issue with the computer not being stable when I start to run programs that are CPU intensive. The machine was overclocked when I got it so I decided to go into the bios and discovered that the Q9450 CPU is running at 3.75Mhz. The thing that alarmed me was that the CPU Core voltage was at 1.45. Could that be the reason why my cores heat up really hot when I am encoding movies?

Sorry to be such a noob but I see that other people with the same chipset running a much smaller voltage and I'm wondering if I should
lower the voltage and or lower the actual overclock. It is watercooled and the motherboard is an EVGA Nforce 790i Ultra Sli so I'm not sure if that would make a big difference or not.

I'm also running Vista Ultimate which I've heard isn't very good and demands more than Windows 7 does but unfortunately I can't upgrade at this time.

Any recommendations on what to do would be great. I'm just a little scared to mess with the bios but if someone can tell me where to start that would be great. Thanks for your time!!
Old School
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CPUMotherboardGraphicsRAM
Core2 Quad Q9450 EVGA nForce 790i Ultra Sli Dual GeForce 8800 GT's 4Gb Corsair DDR3 1333Mhz 
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Vista Ultimate 64 Bit Cosmos S 
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Old School
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post #2 of 19
forum hackas in da house
My One and Only
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My One and Only
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post #3 of 19
im pretty sure my computer wouldnt be very stable either if it was running at 3.75 mhz
facebook machine
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i5 2500k Asrock p67 extreme4 saphire 6870 ripjaws X 1600mhz 8gb 
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seagate 250gb 5400rpm vertex 3 max iops hp dvdrw cooler master v8 
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facebook machine
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seagate 250gb 5400rpm vertex 3 max iops hp dvdrw cooler master v8 
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post #4 of 19
Lower the voltage to decrease temps. You know if you've gone to low if it doesn't get pass the windows screen and BSOD's. You can also download programs to check stability of the computer. Prime 95 is an excellent stress tester.
post #5 of 19
Return the settings to stock, have a read of some overclocking guides then work your way up slowly from stock settings.
Daily
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Daily
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post #6 of 19
too much voltage/not enough cooling = high temps...either lower the voltage/overclock or get yourself a better cooling system.
Maxim
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Maxim
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post #7 of 19
Quote:
Originally Posted by d3310n View Post
im pretty sure my computer wouldnt be very stable either if it was running at 3.75 mhz


Anyways, yes, it comes down to dropping your CPU frequency by dropping your FSB or multiplier and then taking it up slowly by seeing the minimum voltage needed to get a stable boot. As previously mentioned, prime 95 is great for stressing your CPU to the limit. If the temp holds somewhere where you are comfortable AND you don't get a crash out BSOD while running a prime 95 stress test (for a few hours), then you will be golden and good to go.
Budget AMD FTW
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Budget AMD FTW
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post #8 of 19
Thread Starter 
Thanks for all the great tips. Of course I would love to keep it at 3.75Ghz but I'm thinking I don't need quite that much.

If I wanted to keep my overclock at 3.75Ghz, should I just lower the voltage to the point where windows won't boot up and then go up one notch to where it will boot up followed by running a stress test on it or am I truly better off just starting from scratch at the default settings?
Old School
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core2 Quad Q9450 EVGA nForce 790i Ultra Sli Dual GeForce 8800 GT's 4Gb Corsair DDR3 1333Mhz 
OSCase
Vista Ultimate 64 Bit Cosmos S 
  hide details  
Reply
Old School
(13 items)
 
  
CPUMotherboardGraphicsRAM
Core2 Quad Q9450 EVGA nForce 790i Ultra Sli Dual GeForce 8800 GT's 4Gb Corsair DDR3 1333Mhz 
OSCase
Vista Ultimate 64 Bit Cosmos S 
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Reply
post #9 of 19
franko. Be a cool guy and go to UserCP that you see in the little black bar near the top of your OCN window. On the left hand side of the next page you will see many choice. scroll down to System Information and click on the Add System Option link you see there. Fill out the system specs there. It will help us to help you much better later
Red Steel
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Blue Butterfly
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Seagate 250GB SATA III MLC Internal Solid State... Seagate Barracuda 7200.10 ST3250310AS 250GB 720... SAMSUNG SpinPoint T Series HD320KJ 320GB 7200 R... Seagate Barracuda 7200.10 ST3500630AS 500GB 720... 
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Lightscribe DVD/RW Cooler Master Hyper 212+ in Push/Pull Windows 10 Pro 64 bit Phillips 32" LCD Flatscreen @ 1920x1080 
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Ducky DK1008 w/ Cherry MX Bkack Switches Corsair CX750M HAF 922 Custom Painted Logitech G502 Proteus Core 
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>>320GB with a 1TB External<< >>DVD/RW<< Xigmatek Dark Night  >>Windows 7 Ultimate 64bit<< 
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Red Steel
(19 items)
 
Blue Butterfly
(14 items)
 
 
CPUMotherboardGraphicsRAM
AMD Phenom II X6 1090T >STOCK< Asus CROSSHAIR V FORMULA-Z EVGA GTX770 SC Avexir Core Series 8GB 240-Pin DDR3 SDRAM DDR3 ... 
Hard DriveHard DriveHard DriveHard Drive
Seagate 250GB SATA III MLC Internal Solid State... Seagate Barracuda 7200.10 ST3250310AS 250GB 720... SAMSUNG SpinPoint T Series HD320KJ 320GB 7200 R... Seagate Barracuda 7200.10 ST3500630AS 500GB 720... 
Optical DriveCoolingOSMonitor
Lightscribe DVD/RW Cooler Master Hyper 212+ in Push/Pull Windows 10 Pro 64 bit Phillips 32" LCD Flatscreen @ 1920x1080 
KeyboardPowerCaseMouse
Ducky DK1008 w/ Cherry MX Bkack Switches Corsair CX750M HAF 922 Custom Painted Logitech G502 Proteus Core 
Mouse PadAudioOther
Ratpadz XT EACH G2000 Lamptron FC6 Fan Controller 
CPUMotherboardGraphicsRAM
AMD Phenom II X4 955 Black Edition Deneb 3.2GHz ASUS M4A79T Deluxe AM3 Asus R7 260X OC 2GB G.SKILL Ripjaws Series 6GB (3 x 2GB) 240-Pin DD... 
Hard DriveOptical DriveCoolingOS
>>320GB with a 1TB External<< >>DVD/RW<< Xigmatek Dark Night  >>Windows 7 Ultimate 64bit<< 
MonitorKeyboardCaseMouse
>>22" Westinghouse WS<< CM Storm Devastator MB24 >>Antec 902 w/ Blue LED Fans<< CM Storm Devastator MS2K 
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post #10 of 19
yea fill in your specs. also just put it back on stock clocks. and does it have an aftermarket CPU cooler on it?
    
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CPUMotherboardGraphicsRAM
Core i7 5930k MSI X99S SLI GTX 1080 32GB Crucial DDR4 
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(3x) Crucial 256GB (768gb RAID0) WD 3TB EK Supremacy EVO + D5 Vario GT-AP15 
CoolingMonitorMonitorKeyboard
2X HWLABS GTX360 (2x) 1440p QHD PLS MicroBoard 40" 4k MVA Corsair K70 RGB 
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