Asus P6T SE / onboard red power light flashing.

tethys

Junior Member
Aug 15, 2011
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Hi everyone. We had a storm tonight, nothing out of the ordinary and my [COLOR=blue !important][FONT=inherit !important][COLOR=blue !important][FONT=inherit !important]pc[/FONT][/FONT][/COLOR][/COLOR] is plugged into a UPS. We didn't lose power but when I tried to turn on my pc afterward the red power led on the board was flashing, even when the PSU was unplugged for about 60 seconds. I cannot turn on my pc, and haven't found anything on the net really that is useful.

Model: P6T SE. If anyone has any ideas I would be very appreciative.

Thanks.
 

Blazer7

Golden Member
Jun 26, 2007
1,136
12
81
Hello tethys and welcome aboard.

This could either be easy or a complete nightmare you are in.

The first thing you should do is to clear CMOS. There is a jumper on the board just for that. Disconnect your PSU from the UPS, remove the battery and move the CLRTC jumper cap from pins 1-2 to pins 2-3. After ~15 seconds move the jumper cap back to pins 1-2 and replace the battery.

If that won't work you should try another PSU if possible. It is not unheard of for PSUs dying even if the machine is connected to a UPS.
 

tethys

Junior Member
Aug 15, 2011
12
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0
Thanks I will try that. The odd thing is. I wasn't even using the PC. I used it earlier in the day and had no problems. The PSU is only a month old, UPS as well. We didn't have any power surges / brown outs or anything that could have zapped the machine either.
 

tethys

Junior Member
Aug 15, 2011
12
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Guys let me know if this could be it. I ran some windows updates yesterday and I think instead of rebooting, I may have hit sleep mode. I looked up my manual for my mobo and saw this:

"the system power LED lights up when you turn on the system power, and
blinks when the system is in sleep mode."
 

Blazer7

Golden Member
Jun 26, 2007
1,136
12
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Yes and no. Yes this could have started it all, no it's not the problem right now.

You did mentioned in your first post that the PSU was unplugged for about a minute. This should have been enough to end the sleep mode and after that your PC should have been able to boot. This is clearly not the case.

Have you tried clearing CMOS?
 

tethys

Junior Member
Aug 15, 2011
12
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I found some articles where the boards have some trouble shutting down after going to sleep. I'm going to try powering it off via the board power button. If that doesn't work going to clear the CMOS. I'll just have to take pics of all of my settings...
 

Blazer7

Golden Member
Jun 26, 2007
1,136
12
81
The on board on/off switch works exactly as the switch on your case. Don't expect it to do anything different. As for taking photos of your settings, that's a good idea but AFAICT your system can't power up. Am I right?
 

tethys

Junior Member
Aug 15, 2011
12
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Yeah the power button on the outside of the case is a little off centered due to a case fan I put next to my solid state hdd. Its a bit annoying to hit so I may not have pushed it properly. Its a long shot but if thats the case I will be jumping for joy.

If not I'll try clearing the CMOS and post back. Thanks for all the help I appreciate it.
 

tethys

Junior Member
Aug 15, 2011
12
0
0
Ok trying the power button and CMOS didn't work. Think it could be PSU? I just got a new one a month ago. I wonder if something in my house is blowing the PSUs? I had one die prior that was a year old or so but prior to that didn't have any issues.