GA-EP35-DS3R won't POST - Core Duo E8400 / 2GB Crucial 8500 DDR2
On power up, the CPU fan spins up for app. 1 sec; then all powers
down. Repeats every 5-7 secs or so until powered off. Tried
memory and tried just one stick. No difference. Tried a new 24 pin ATX
P/S (500 watt antec); no change. Any ideas of what else to try? Is it
likely that the board is DOA?
Re: GA-EP35-DS3R won't POST - Core Duo E8400 / 2GB...
I took my computer to a professional store, and they said that my motherboard, power supply & video card needed replacing. All my components were brand new! I suspect what happened is that my power supply fried the motherboard and video card.
This is not something I could have figured out on my own. To do this, you would need a spare system and swap parts in and out one at a time to determine which piece wasn't working.
Re: GA-EP35-DS3R won't POST - Core Duo E8400 / 2GB...
I have this same exact problem on two of 4 Gigabyte motherboards I purchased and built systems for the past few days. One works fine. One, I have not completed yet. The other two worked for awhile, then during a reboot they both failed to start back up. When powered up, the lights and fans come on for one second then shut off. 5 seconds later it repeats until I either cut the power or hold the power button down for 10 seconds. I've tried everything I could think of. Tried different ram, single ram sticks in one slot, older Pentium D cpu's, different power supplies that I know work, tried pulling every component out (all I had was a hard drive and a video card), and tried resetting the cmos. Nothing works. What would fry the motherboard like that?
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Intel core tm duo cpu e4500 motherboard Intel = Processor (CPU ) manufacturer Intel Core tm = Trademark. The Intel Core is a Trademark from Intel CPU stands for Central Processing Unit. Another term used is Microprocessor, or simply - Processor for short. e4500 is an Intel Core2 Duo processor. Maximum frequency rate ('Speed') is 2.2GigaHertz. 2MegaByte of L2 Cache. (2MB of L2 Cache) 800MegaHertz Front Side Bus. (800MHz FSB)
Tells me Nothing about the actual motherboard. Look on the motherboard for a Model Number. May be in center of motherboard. May be on edge of motherboard. May be in-between one of the expansion slots, on motherboard.
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Also post what the problem is, in your best description.
Computer does not turn on. (Power Supply does not turn on) Computer seems to turn on, but get No Signal on monitor, or Sleep Mode on monitor, or Power Saver Mode on monitor. LED lights light up, and fans spin.
is it in warranty..?? if not.. do it if u r a professional..
check the following: 1) the cmos battery (above +3v)..replace with a standby n see.. 2) remove/clean dust neatly..dust is non-uniform in nature n may cause
jam/short circuitry/excess resistace n many more..resulting an increase
in heat.. 3) open the CPU Heat-Sink with fan out of the socket..put some "Heat Sink
Compound" (available in local electronics chip level spare market)
between the cpu/processor and the CPU Heat Sink *** fan..resit/fit it
tightly in position.. 4) the smps itself may b defective/faulty..check the outputs of smps
viz. 0v (black~ground); +12v (yellow); +5v (red, green~ps-on, violet~pg
& grey~sb); -12v (blue); -5v(white); +3.3v(orange).. the 'oscillator and error amplifier ic', or
pwm switching regulator circuit..look for defective
protector-transformer/resistance(esp 4.7k)/mosfet.. 5) ur main/mother board..see with a debug
card for mb error..may b short..look for defective capacitors(esp above
1000mfd)/mosfets..go through the mb's south bridge n the circuit lie
around atx connector....
..plz give higher priority to step3 & 4 (as listed above) CAREFULLY..
if you are sure the entire thing is fried, and you have to be sure, i would reccommend a Gigabyte GA-EP35-DS3R motherboard, if your processor is an intel, it does down to pentium d, and ddr2 ram. i bought one of these and i can still upgrade to core 2 quad if i wanted. (does not support AMD processors,or ddr1 ram). will work for a long time, 5 year warranty at some places
First things first - once you have all the components properly seated (sometimes if a RAM chip or CPU heatsink/fan isn't quite right it'll cause those problems) clear the CMOS entirely. There should be a jumper somewhere near the CMOS battery - move it from the 1-2 seating to the 2-3 (with the system powered down) and count to ten. Move it back over and then try booting up again. If the problem continues, swap the memory chips. Otherwise repost once you've tried the recommendation.