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Asus A8N-SLi Premium - Problem Entering Setup


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#1
Gurks

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Hi there,

I've just built a new system (detailed in my profile). After switching the system on for the first time, I get the Asus logo screen with a message telling me to hit Delete to enter setup. However, when I hit delete, nothing happens. If I reboot and hit delete early enough, i can get the message to change to "Entering Setup..." but the system just hangs and I cannot get into the BIOS.

My Power LEDS are all on and Power/Reset buttons are working fine. I get one short beep when I turn the computer on at first (which was normal enough in my last PC) but no other beeps/warnings. Also, the PSU fan does NOT seem to be spinning at all but the 120mm case fan is. My PSU fan is correctly connected to the PWR_FAN connector on the motherboard - is it normal enough for it not to be spinning until the system boots up or is this a problem?

Any help appreciated on this - I'm hoping someone else has came across this problem and might be able to offer some advice.

Cheers.

:edit System details are:

Asus A8N-SLi Premium
AMD X2 3800
1 Gb pqi DDR400
XFX 6800 GS
Antec Sonata II // Antec 450W Smartpower PSU

Edited by Gurks, 30 January 2006 - 05:34 AM.

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#2
admin

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Have you tried clearing the CMOS using the jumper on the motherboard?
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#3
Gurks

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Got it fixed ok thanks. Had something plugged in to the board's 'EZ Plug' that shouldn't have been.

Cheers.
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#4
Flibble

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:tazz:

I have the exact same symptoms as the origin poster, but must have a different issue.

I have been running my system more-or-less stable since last September (Heat has been my only issue), but today a game I played crashed (not entirely unusual) so I restarted the computer, and have been left in the situation described above.

I have tried the jumper/battery reset of the CMOS (I hate doing that due to the fear of not getting RAID back properly) without success. If I remove the CPU or memory from the system completely, the system does the audio report of "No CPU installed" or "memory error detected" as appropriate.

I have previously been running with a molex connected to the EZ-plug socket. I now understand that this may not be necessary as I have both a 24 pin ATC power supply and seperate power for each graphics card. Regardless the system does not respong differently if I remove the plug.

I have tried removing one or both the graphics cards (with neither plugged in I get the "VGA error" audio report), but still nothing seems to get me back even in to the BIOS.

Given the system won't even enter setup, it doesn't appear to be an OS issue (obviously). I just want to check if anyone else has issues and even better, a solution, before I RMA the mobo.

If someone has any idea...
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#5
Flibble

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It is possible that this a memory problem that has only surfaced under heavy usage (I was playing EQ2 after all). So I've tried things like replacing the RAM with different RAM after resetting the CMOS again... nothing improved (though I only had a different, older type of Corsair to try with).

I've tried unplugging all but the CPU, some RAM and a single graphics card, but to no avail.
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