PC NO BOOT/NO POST/NO BEEP - Analyzer Card Shows 'FFFF'

March 24, 2017 at 13:28:15
Specs: Windows 7 , 4GB
PC NO BOOT/NO POST/NO BEEP

I have an ASUS A8N32-SLI, just bought it new not even a year ago, new power suppply, new video card, new HDD. I turned it on one day and there was no post, no video, no beeps. Just the fans running.

Steps taken:

Cleared Bios(with Jumper and battery pull method)
Switch video card with a video card I know to be working. Nothing.
Tried booting with a single stick of RAM, tried every stick of RAM.Still nothing.
Purchased a PC Analyzer code, which unfortunately did not come with a book, shows code "FFFF".

I am awaiting a power supply tester.

Any ideas? I'd very much like to get this computer back online.

"The world is a vampire and I am the throat upon which it feeds..." - S.T. Gill


See More: PC NO BOOT/NO POST/NO BEEP - Analyzer Card Shows FFFF

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#1
March 24, 2017 at 14:00:36
"I am awaiting a power supply tester"

Power supply testers are next to useless. Even if you get a voltage read-out, there's no way to know if the PSU is capable of delivering the needed amperage on the voltage rails. Please post the make/model/wattage of the unit you have & we can at least tell you if it's decent or a generic cheapie.


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#2
March 24, 2017 at 14:15:43
Well...the computer was working just fine before, so I am assuming it was delivering enough power.

However, here is the information you requested.

Model: Purepower 680W

"The world is a vampire and I am the throat upon which it feeds..." - S.T. Gill


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#3
March 24, 2017 at 14:47:42
"Model: Purepower 680W"

Do you mean Thermaltake PurePower? It's possibly an old design from around 2005. Multiple +12v rails & way too much amperage on the +5v rail. Check the P/N shown just under the 680W shown in the pic:

http://insanetek.com/reviews/psu/Th...

Be Quiet! also has "pure power" units.


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Related Solutions

#4
March 24, 2017 at 15:19:23
Yeah, same exact one.

"The world is a vampire and I am the throat upon which it feeds..." - S.T. Gill


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#5
March 24, 2017 at 17:13:34
When clearing the BIOS you don't need to remove the CMOS battery if you use the clr cmos jumper. You DO need to unplug the computer or if the power supply has an on/off switch, turn that off. You can also try a few other things.

With the power off to the computer, press the start button a few times to discharge any capacitors.

Re-seat all cables, cards and RAM. Snap RAM sticks in and out 4 or 5 times each to burnish the contacts.

When starting the computer you should hear some beep codes. Did you hear any in the past when booting? See the link for beep codes.

http://www.bioscentral.com/beepcode...

You can also try booting with minimal hardware. Connect ONLY the following: CPU/heat sink/fan, graphics card with aux. power connector, 1 stick of RAM, monitor, keyboard. Disconnect ALL drives, all printers and other external hardware.

Hard drive is not necessary to POST.

If I had to guess, I would say you may have a failing power supply.


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#6
March 24, 2017 at 20:54:16
I am also thinking power supply failure.
You will only get beeps is there is a motherboard speaker or you have a tiny system speaker plugged in. If no speaker then you will not hear the beeps.
Many local shops will take back power supplies so it may be cheaper and certainly faster to purchase a good power supply ant try it. If it works and you boot up then you are done except for neetening up the wires, if it makes no difference then you have the option of returning it. I would get the better one and dump the cheap one either way. Look for a single 12Volt rail with high amperage, 80% or greater certified efficiency, Active PFC, a quality name brand, and a 3 to 5 year warranty. Corsair units are often recommended here and I have a couple.

You have to be a little bit crazy to keep you from going insane.


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#7
March 25, 2017 at 14:55:40
The computer is less than a year old, so it is still under warranty. Why are you wasting time and money trying to repair it? RMA it.

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#8
March 25, 2017 at 15:44:19
It is a custom build, no warranty. I just tested the PSU with a power supply tester today and this is what I found.

24PIN Good
6 Pin 12 v (No light on 3.3 v or 5v)
4 Pin (12v(No light on 3.3v or 5v)

"The world is a vampire and I am the throat upon which it feeds..." - S.T. Gill


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#9
March 25, 2017 at 20:36:40
Tester......
Why would you spend for something like this:
https://www.walmart.com/ip/Rexus-8-in-1-Deluxe-20-4-pin-ATX-Power-Supply-Tester-w-LCD-PST-3-LCD-Screen-NEW/47379495?wmlspartner=wlpa&selectedSellerId=1229&adid=22222222227034643263&wl0=&wl1=g&wl2=c&wl3=56130296378&wl4=pla-87812554178&wl5=9004426&wl6=&wl7=&wl8=&wl9=pla&wl10=112549857&wl11=online&wl12=47379495&wl13=&veh=sem

When this is a good power supply for only a little more:
https://www.newegg.com/Product/Prod...

You have to be a little bit crazy to keep you from going insane.


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