No boot after overclocking E7400

Intel Core 2 duo e7400 2.8ghz desktop pr...
November 18, 2010 at 07:45:43
Specs: Windows 7, E7400
Used AI booster to boost to 10%, worked perfectly fine. Tried to go to 15% but this didnt work out, changed multiplier in BIOS back to 10.0 (was 10.5).

When trying to boot now it says something like: start windows normally or start with problem recovery or something? Doesnt matter which i choose it keeps trying to load windows files, freezes and gives an error: has problems with communicating with a hardware component of my pc..

my mobo is Asus P5N-D

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November 18, 2010 at 07:54:58
Well the thing that i would try first is on th bios restore to factory default or take out the CMOS battery for about 10-30mins and the put it back in and boot it.

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November 18, 2010 at 08:25:20
"Used AI booster"

That's your problem. Do NOT use AI Booster! You should ALWAYS overclock manually. Disable AI Booster & tweak the BIOS settings individually. You should be able to easily hit 3.33GHz (10 x 333MHz), IF your board will allow you to set the proper FSB:DRAM ratio.

BTW, you do NOT have to remove the battery for 30 min to reset the BIOS. Just unplug the power cord, use the clear CMOS jumper & the BIOS will reset instantly.

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November 18, 2010 at 08:54:17
Just dug up your board specs & manual. Try these settings for 3.33GHz:

AI Tuning = manual
Overclock Options = disabled
NB PCIe Freq = 100MHz
FSB - Memory Clock mode = Linked
FSB - Memory Ratio = 1:1
FSB (QDR) = 1333MHz
CPU Memory Multiplier = 10x
Spread Spectrum Control = ALL disabled
LDT Frequency = 4x
Plug & Play O/S = No

If the system becomes unstable or unbootable with the above settings, try increasing the CPU voltage slightly. The safe voltage range for the E7400 is 0.85V – 1.3625V. I'm not sure what the default voltage is, but start by adding 0.025v. Only increase the voltage is absolutely necessary.

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November 19, 2010 at 12:20:25
Hi all

thanks alot for your replies, it has helped and my problem is over. I will start to overclock it manually tomorrow!


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