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leighrogers

Windows Cold Boot Issues

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Hey guys,

Im real stuck on this one and hope someone can help!!

 

I have a NF4 Expert board and its great! - My whole system runs PERFECTLY except for one thing... If my machine is left turned off for a while then it wont boot into Windows when it is next turned on. It can take up to 4050 restarts to get it back in.

 

I have a Saitek X52 Flight Control System that is covered in backlit buttons along with a LCD Display. I also have a Saitek Eclipse keyboard with backlit keys. I've monitored my system as closely as possible and here are my observations:

 

Machine follows one of two processes:

 

PROCESS ONE

 

* Power turned on, Lights on keyboard and flight control light up - but not LCD. machine progresses through POST and RAID load fine.

 

* Windows load icon comes up with blue scrolling bar, bar scrolls.

* Keyboard backlights go off.

* 3-4 seconds later windows load scroll bar stops and machine hangs.

 

PROCESS TWO

* Power turned on, Lights on keyboard and flight control light up - but not LCD. machine progresses through POST and RAID load fine.

 

* Windows load icon comes up with blue scrolling bar, bar scrolls.

* Keyboard backlights go off.

* 5-6 seconds later keyboard lights come back on, LCD on Flight Control also turns on

* Machine hangs on dark screen immediately before desktop should load.

 

Now the LCD display on the flight control reads information from windows like time etc - so when the lcd turns on indicates that a feed from windows is being recieved.... But why no vid output????

 

The machine always boots up in any safe mode but never any other way (ie like last known config). I cant see any correlation of when it boots. Very rarely - every now and again it will boot in fine! to reiterate - it only ever happens on a cold boot. If the machine has been running for awhile it restarts fine.

 

Guys please help! Since this issue started I have replaced the PSU (twice!), tried different vid cards, removed all other cards. The Saitek keyboard and Flight Control have been added after issue began so they can be ruled out of the equation...

 

ANY IDEAS AT ALL?!!?!?

 

Thanks in hope!

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It is something with Enermax Liberty 620w PSU and DFI boards..

i am waiting for a clear explanation for the no boot (4 led) situation as well ..

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i'm using enermax fma 535watt also had a problem (4 led) since yesterday.. dunno why it happen coz before this the rig can boot up fine with opty 144...

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I've already gone through several different power supplies from different manufacturers and same issue occurs.

 

Nice idea - but tried already...

 

Any other ideas?

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What happens when you boot the computer with nothing plugged in except the monitor,power, keyboard and mouse?

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