Broken Memory Slot/Stick?

[POPCORNS 1068]

This is an old computer, but everything works.

Today, it no longer boots, and it doesn't output the display.
I did some tests and found out that the RAM slots or sticks are faulty
(Every fan spins normally, no beep, shuts down after about 25 secs later.)

And if no ram is installed, the mobo speaker will beep.

Before buying new mem sticks, i would like to know which one of them(ram slot, ram sticks) is broken

Hopefully not the slots. 🙁

 

[Robert Cook]

try booting it with one stick at a time in one slot, and then do that for each stick, if both pass, then for each slot. also it cannot hurt to try a clear CMOS.

 

[POPCORNS 1068]

Cmos memory clearing: tried
There is only one RAM stick, but it does not work on every slot.

I cannot test the stick with my main computer right now because it is encoding videos.

 

[Robert Cook]

but the stick works in some slots? then the slots could have gone.

 

[POPCORNS 1068]

It suddenly boots again

 

[Robert Cook]

that is strange. perhaps the RAM stick had a bad connection. I would run a few stress tests, and see what happens, it could be solved, and at the worst, it is just back to RAM/ RAM Slot testing.

 

[POPCORNS 1068]

About a minute later it turned off instantly,
And this is not overheating or anything.

 

[Robert Cook]

okay. try pushing on the RAM stick. does it move in? Also what are the full system specs and power supply?

 

[POPCORNS 1068]

Mobo:ASUS P7H55-M
CPU:Intel Core i5 750
RAM:4GB x 1
GPU:Gigabyte Geforce GTX 460 1GB
PSU: CORSAIR GS800
1 dvd+rw drive and 3 HDD

 

[Robert Cook]

hmm that is a sketchy PSU. once you have the chance test the RAM and slots, and then perhaps even the RAM in your main system, but random shutdowns are generally a PSU issue.

 

[POPCORNS 1068]

Really? No way! That PSU works forever when I have nothing on the mobo

 

[POPCORNS 1068]

Could it be the mobo's battery?

 

[Robert Cook]

Really? No way! That PSU works forever when I have nothing on the mobo

??? it runs forever when the motherboard is without RAM? could be because there is no load on the PSU in that state.

 

[POPCORNS 1068]

Hmm... I have another psu that is not as strong as this one, lemme test it first

 

[POPCORNS 1068]

With only the display card, cpu ,ram and hdd on the other psu.
It still shut down instantly after a few minutes

 

[Robert Cook]

both power supplies? then it could be a motherboard issue.

 

[POPCORNS 1068]

Maybe i should get something better for this i5 750 even through it is really old

 

[Robert Cook]

Maybe i should get something better for this i5 750 even through it is really old

hard to say, motherboards for chips like that are really overpriced as they are hard to find now. it might be worth it to go for a i5 4690K and z97 board. but that would involve around $300.

 

[Tradesman1]

What are the model #s of the DRAM you are using? May not be set up correctly

 

[POPCORNS 1068]

Problem solved,
I tried to fry the mobo by pluging a random psu wire into a random port. So it produced some smoke and later when I unplug the wire and start it again.
NO MORE SHUTDOWNS! (Up for 4 hours now )Somehow frying the mobo a bit solved my problem. Hopefully this old desktop lasts a bit longer.