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Vga led error, not booting after cpu voltage increase

Tags:
  • CPUs
  • LED Monitor
  • VGA
Last response: in Overclocking
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a b à CPUs
September 15, 2014 10:59:45 AM

Hi,

So My friend has this problem.
After he increases his cpu voltage to 1.4 or 1.45 the system wont boot and its stuck on the vga led.
I'm asuming that the PSU is not sufficient enough.
system specs:
CPU: Fx 8350
MoBo: Asus m5a99fx pro r2.0
psu: Corsair cx600
gpu:MSI R9 280

More about : vga led error booting cpu voltage increase

September 15, 2014 11:02:40 AM

Ever hear the story about the guy who went to the doctor and said my arm hurts when I do this and the doc said don't do this.
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a b à CPUs
September 15, 2014 11:06:00 AM

price_th said:
Ever hear the story about the guy who went to the doctor and said my arm hurts when I do this and the doc said don't do this.


So you're basically sayin' that he should just stop?
Could you provide me a reason why?
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September 15, 2014 11:08:15 AM

You're *amusing* that the PSU is not sufficient enough?

:p 

Anyways, just tell him (or yourself) to set everything back to stock and try doing it in 100mhz steps at the STOCK voltage. Once you get the max frequency the CPU can handle at the given voltage, up the voltage by .05 and repeat the process until you find a reasonable overclock. 1.45 is quite high, and 1.5 is the MAX. I would try to see what I could get at about the stock voltage +.05 So for example, if the stock is 1.25, try 1.30. I wouldn't recommend anything above 1.4, and if you do go to 1.4, you'd better have some great cooling.

I have an AMD FX 6300 running at 4.4ghz stable @ 1.35 volts. I know the 8350 runs hot to begin with. My stock voltage for the 6300 was 1.250, so by stepping it up one tenth, I almost cleared a full Ghz over stock with a 212 Evo cooler that cost me 35 dollars. However, every CPU is difference, as well as every motherboard, so it really varies and I would not go more than 4.6ghz on the 8350 unless you have a Noctua NHD-14 or better CPU cooler. Also, remember, 1.5 is the MAX voltage you should go to. Try to stay as far away from it as possible, and be reasonable with your overclocking.

Also, if the system won't boot, it's a very good indicator that either A. The CPU fried or B. The PSU is not sufficient. I overclocked my FX 6300 to 4.4ghz on that same PSU so I can't say much for anything over 1.35v.
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