2008 old motherboard day, no cpu , no ram no GPU card stated
in the stop slot, nor if it needs (tell model card) AUX power feed.
the users manual sadly has no beep codes, told. (asus is slipping on good support, unlike grand Dell.com,, top maker of PCs)
the top slot is x16 PCI-express, it needs GPU card three
if you pick on that sucks 30amps. if will fail with out a v2.3 version 600watt PSU.
if you pick a gpu card that is 75watts max 6amp max, any card will work there, GPU,
gaming cards will fail, if over 75watts. (like the old gtx650 )
but a new gtx1050 will run with most PSU's (no not 250watts)
see if you posted what you have we can tell you ,ok this is good but that is so wrong.
some how your , lost this page, missing VGA card.
the shut down fast is serious
in fact BIOS is not so smart to even know why.
ok, i think the PSU was overloadeed
the PSU (atx ) spec, shows, it self shut off
in 1 second or less, (OVERLOADED)
why not post what you connected up there.
do not run the cpu withOUT heat sink and fan.
bad PSU
or overloaded
the PSU shuts off by DESIGN in 1 second or less (can) by spec, if it is overloaded.
this is what stops the FIRE thing from happening.... by design
here is strip down test.http://www.pcdied.com/PSU/strip-down-tes...
one beep usually means total power failure
that word means.
PSU bad, PSU overloaded (mobo slots or HDD or DVD drive shorted, ram shorted)
or not using v:2.3 or better PSU with Aux cable.
see your board below, see that AUX jack top right , that is NOT OPTIONAL EVER.
the asus.com web site manual is clear on how to use this MOBO if you can read a manual.
first connect 24 pin power then the 4 pin top right, then test mobo with no video card first.
then if that works (as it did new)
then try the unstated video card.
many video cards violate the 75watts max per PCI-express slot.
so those cards have AUX power connection too
if not the MOBO overloads and beeps or crashes.
if you buy a new GTX1050 is needs no AUX power this new card is fast and sips power gently. unlike most older GTX cards.
there now you are armed with a few facts and can find the cause of 1 beep. deathh.
test using 1 ram stick, in bank 0 as the manual tells you how.
then try the other stick alone.
make sure that relic coin cell is 2.9v to 3.4v if below 2.9vdc, the batter is dead or going dead FAST, a $2 fix sold at Walmart watch department's, usa wide.
Test with all slots pci empty first.
test with both power jacks (4 and 24 present)
old PSU are no good, here !!!
old PSU have no AUX, so buy one with 2.3v up.
2.3version or newer all have AUX pig tails.
for modern PCs.
The Aux above runs the mobo, VRM regulators.
lacking AUX the CPU crashes. easy.
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Check the RAM make sure it’s good, make sure keyboard is plugged in firmly, can you load into the bios at boot or does it shut down before u can enter bios?
One short beep means VGA detected (display issue) no keyboard detected.
SOURCE: ASUS Splash Screen Stays on at Post....
AFAIK splash screens are generally controlled in your CMOS settings, you'll need to hit DEL on POST (Power On Self Test) alternatively called a 'boot up' to access your CMOS panel.
SOURCE: chassis intruded asus m3a78-cm
I actually did a little research on this one. I downloaded the User Manual for this board. USUALLY, there is a jumper on the board somewhere that needs to be set in the correct position. I looked through the manual and can't find a jumper for this . I even looked through the bios setting just in case it might be covered there, no luck. If you can't find an undocumented jumper on the board somewhere labeled something like TRPWR, then I would try the reset next. My suggestion would be to use the LCRTC jumper to reset the board. Heres the procedure according to page 1-17 of your manual:
Clear RTC RAM (CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can clear the CMOS memory of date, time, and system setup parameters by erasing the CMOS RTC RAM data. The onboard button cell battery powers the RAM data in CMOS, which include system setup information such as system passwords.
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on pins 2-3 for about 5-10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to reenter data.
Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default position. Removing the cap will cause system boot failure!If the steps above do not help, remove the onboard battery and move the jumper again to clear the CMOS RTC RAM data. After clearing the CMDS, reinstall the battery.
You do not need to clear the RTC when the system hangs due to overclocking. For system failure due to overclocking, use the CPU Parameter Recall (C.P.R) feature. Shut down and reboot the system so the BIOS can automatically reset parameter settings to default values.
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