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#1
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ASUS A8N SLI Deluxe issue?
Hi cyber folk,
Just wondering if anyone has / is experiencing this problem, I have built this PC, and when I hit the Power button it lights up for one sec (see fans spin) and then off. - nothing / nada. The green light on the A8N is on, thats it. I can press the button again - same thing. Everything is new, and am assuming all is working. I know assumption is the mother of all .. Apart from testing indivdual components, i have ensured everything is hooked up fine. I've been to a few sites and none really have similar symptoms. any ideas? currently running; A8N SLI Delexe Athlon 64X2 Dual Core N6000TD extreme Geil 2x 1GB PC3200 WD 250GB SATA 16MB Seasonic 500w DVD RW .... |
#2
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ASUS A8N SLI Deluxe issue?
"LEF" wrote in message ups.com... Hi cyber folk, Just wondering if anyone has / is experiencing this problem, I have built this PC, and when I hit the Power button it lights up for one sec (see fans spin) and then off. - nothing / nada. The green light on the A8N is on, thats it. I can press the button again - same thing. Is your CPU cooling fan the three-pin type? Is it plugged in? Is it running? -Dave |
#3
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ASUS A8N SLI Deluxe issue?
Hey Dave thanks for the reply, Yep it is 3 pin & its plugged in and
spins for the same amount of time. (bout a sec). It is really weird. Almost like the Tower on/off switch is faulty (new case too slk3000b) |
#4
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ASUS A8N SLI Deluxe issue?
"LEF" wrote in message oups.com... Hey Dave thanks for the reply, Yep it is 3 pin & its plugged in and spins for the same amount of time. (bout a sec). It is really weird. Almost like the Tower on/off switch is faulty (new case too slk3000b) I'm starting to suspect a bad mainboard. If the CPU never receives a power good signal, then it won't run POST and the computer will shut down. So you need to check all power connections from Power supply through Mainboard to CPU. Review the motherboard owner's manual carefully to make sure that ALL power connections are correct. If all looks good, undo them and start over (could be a loose connection). If that doesn't help, you might try reseating the CPU itself. You could also try clearing CMOS settings, but I'd be surprised if this helps. I'd normally say you might have a bad power supply. But if you have a Seasonic supply that's bad, it would be the first one that I've ever even HEARD of being bad. Still, it's down to power supply, mainboard or CPU, or a loose connection on one of those three components. -Dave |
#5
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ASUS A8N SLI Deluxe issue?
Start at the basics:
PSU CPU and cooler 1 stick of memory video (if you have OB video use that instead of an add on card) clear the MOS and boot same thing happens? make su the cooler is properly installed on the CPU the wiring for the reset/power switch is correctly installed ( if add on video has a power connector, connect it) if you can, lay the mainboard out on the bench and test from there "LEF" wrote in message ups.com... Hi cyber folk, Just wondering if anyone has / is experiencing this problem, I have built this PC, and when I hit the Power button it lights up for one sec (see fans spin) and then off. - nothing / nada. The green light on the A8N is on, thats it. I can press the button again - same thing. Everything is new, and am assuming all is working. I know assumption is the mother of all .. Apart from testing indivdual components, i have ensured everything is hooked up fine. I've been to a few sites and none really have similar symptoms. any ideas? currently running; A8N SLI Delexe Athlon 64X2 Dual Core N6000TD extreme Geil 2x 1GB PC3200 WD 250GB SATA 16MB Seasonic 500w DVD RW .... |
#6
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ASUS A8N SLI Deluxe issue?
THanks guys will try all of the above and let you know. Nice to see a
supportive community. Just frustrated a bit now, I'm sure you've all been there. Cheers again. LEF |
#7
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ASUS A8N SLI Deluxe issue?
Well just tried the above and - checked all the power connections,
reseated cpu, cleared mos, 1 stick of ram... I'm starting to think its the main board. Going to try the PSU in another PC, will let you know. thanks again |
#8
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ASUS A8N SLI Deluxe issue?
"JAD" wrote in message
... Start at the basics: PSU CPU and cooler 1 stick of memory video (if you have OB video use that instead of an add on card) clear the MOS and boot same thing happens? make su the cooler is properly installed on the CPU the wiring for the reset/power switch is correctly installed ( if add on video has a power connector, connect it) if you can, lay the mainboard out on the bench and test from there "LEF" wrote in message ups.com... Hi cyber folk, Just wondering if anyone has / is experiencing this problem, I have built this PC, and when I hit the Power button it lights up for one sec (see fans spin) and then off. - nothing / nada. The green light on the A8N is on, thats it. I can press the button again - same thing. Everything is new, and am assuming all is working. I know assumption is the mother of all .. Apart from testing indivdual components, i have ensured everything is hooked up fine. I've been to a few sites and none really have similar symptoms. any ideas? currently running; A8N SLI Delexe Athlon 64X2 Dual Core N6000TD extreme Geil 2x 1GB PC3200 WD 250GB SATA 16MB Seasonic 500w DVD RW .... What got me into trouble once was finding the CPU fan was not plugged into the CPU (specific) fan connector. I think it was plugged into a chassis or accessory fan connector. The system was checking the plug specifically designed for the CPU fan and not finding a fan RPM being indicated there it was shutting down the board. |
#9
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ASUS A8N SLI Deluxe issue?
Hey Jadd, thanks for that, but yeh I have plugged the CPU_FAN into the
correct plug on the mobo. I have a question though, on the mobo there is a 3 Pin connector called PWR FAN, should that be plugged into something? THe Chassis fan (120mm) comes with a 4 pin (typical HDD type power plug) attached. I have plugged that into a free 4 pin power plug coming from the PSU. Now the PSU, has one 3 pin power connector which in the manual calls it an (optional) FAN MONITOR plug. For testing sake the fact it says OPTIONAL shouldn't stop the PC booting if I don't connect it, but if a were to connect it should I connect it a spare chassis fan plug on the mobo or should I plug it into the PWR FAN 3 pin connector/plug I mentioned earlier? thanks in advance |
#10
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ASUS A8N SLI Deluxe issue?
"LEF" wrote in message ups.com... Hey Jadd, thanks for that, but yeh I have plugged the CPU_FAN into the correct plug on the mobo. I have a question though, on the mobo there is a 3 Pin connector called PWR FAN, should that be plugged into something? THe Chassis fan (120mm) comes with a 4 pin (typical HDD type power plug) attached. I have plugged that into a free 4 pin power plug coming from the PSU. Now the PSU, has one 3 pin power connector which in the manual calls it an (optional) FAN MONITOR plug. For testing sake the fact it says OPTIONAL shouldn't stop the PC booting if I don't connect it, but if a were to connect it should I connect it a spare chassis fan plug on the mobo or should I plug it into the PWR FAN 3 pin connector/plug I mentioned earlier? thanks in advance OK, there has been a push over the last several years to make computers quieter. This has been done by computer enthusiasts who "mod" their systems by reducing number of cooling fans, switching to quieter fans, switching to liquid cooling or passive cooling, etc. Hardware manufacturers try to cash in on this by offering technology "solutions" to make systems quieter. Some of those solutions include: 1) Power supply sometimes has circuit to control chassis (and other) fans, speeding up or slowing them down, as temperatures change 2) Motherboard sometimes has circuit to control chassis (and other) fans, speeding up or slowing them down, as temperatures change 3) Some motherboards have simple fan monitoring circuits also. They can't change the speed of a connected fan, but can pass along information on how fast the connected fan is running. All of these fan mods are optional. Your power supply and/or motherboard isn't going to CARE if any fan is connected at all, as long as you have at least ONE cooling fan connected. The one that needs to be connected is a 3-pin fan connected to CPU_FAN header on the mainboard. If that one fan isn't connected (and running properly!), the system will not run. If you want to plug in the fan line from the power supply, it should be connected to the PWR_FAN header on the mainboard. However, NOT having this connected will make no difference at all in how your system runs, or doesn't run. If it IS connected, you might be able to monitor how fast the power supply fan is running. But if your computer won't boot, you shouldn't care *how fast* the power supply fan is running. I'd be interested to know what happens when you try that PSU in another system. If the PSU works fine in another system, I'd be very surprised if your mainboard is not defective. -Dave |
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