Computer in boot cycle with more than two memory stick

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S

sourav.skni

Apr 20, 2018
3
0
10
I have 4 memory sticks - 3 of which are GSkill RipjawsX 4GB freq: 1333 MHZ, BW: 10666, and another is Hyundai Electronics's stick of same bandwidth and frequency. Everything was running fine till yesterday when I changed my CPU Cooler to CoolerMaster Hyper 212X. I have 4 memory sots. If I insert any one or two memory sticks in the DDR3_1 and DDR3_3(Coming towards CPU from the end sequentially - DDR3_1, DDR3_3, DDR3_2, DDR3_4), computer boots but install one more stick, it falls in boot loop, I mean it does not even reach upto BIOS. Its powering on and off itself continuously until I power down the thing.
Ok let me tell this in detail,
I short the power pins, Power LED turns on, I hear 2 beeps, HDD LED turns on, HDD starts reading, then after 2 sec or so, HDD reading stops, HDD LED turns off, and after another 3-4 sec, Power LED turns off. Then the same cycle restarts after 2-3 secs.
Tried clearing the CMOS numerous times - didn't help. Tried to turn on the system without Graphics Card(Sapphire AMD Radeon RX 460 2GB GDDR5 OC)
My board is Gigabyte GA-B75M-D3H and Processor is Intel core i7 3770.
My problem is kinda similar to this one: http://
Please help me !!!
 
Solution
B
If it is certain that there is no damage to the CPU and its socket, and also that there is no dust, dirt, debris on or amongst the pins and pads, and also the CPU has been mounted evenly, and the two memory slots still do not appear to work, then check the two non working memory slots very carefully for damage to their contacts, and make sure there is no dust, dirt, nor debris of any kind in the memory slots.

If memory slots appear to be OK, then try another compatible known working CPU (borrow other CPU from friend, neighbor or whoever else if necessary).

If memory slots now work, then the original CPU seems to be faulty and will have to be replaced.

If memory slots still don't work, then the motherboard is likely to be faulty and...
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B

brispuss

Splendid
Dec 27, 2014
2,607
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Could be due to CPU not being mounted properly. But to be certain of no other contributing factors, remove the CPU and check it and its socket thoroughly for any bent or damaged pins and pads. Also there shouldn't be any dust, dirt nor debris of any kind on or amongst the pins and pads.

Remount CPU carefully and evenly. Uneven mounting can cause loss of pin to pad contact which leads to all sorts of problems.
 
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S

sourav.skni

Apr 20, 2018
3
0
10

Thanks a lot for the reply. :D https://imgur.com/a/ZLr6Plw This is a high res image of my 1155 socket. I checked it thoroughly but found no bent pins unfortunately :??: But that doesn't necessarily means the CPU is mounted properly. Is there any other way to check if CPU is making contact with all the pins??
 
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brispuss

Splendid
Dec 27, 2014
2,607
26
26,490
Thanks for the photo, which appears to show all pins intact and with no obvious sign of dust or other gunk on or amongst the pins.

It is difficult to ensure the CPU is mounted evenly. But possibly the best way is to compare the CPU cooler to some other (nearby) components and/or to the computer case. The cooler should be either parallel to or perpendicular to other components and/or to the case.

If it is fairly certain the CPU is mounted evenly (flat in its socket), and there are still problems, then other options will be considered.
 
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S

sourav.skni

Apr 20, 2018
3
0
10


I guess the cooler is mounted properly too, for clarification I have added a photo of my cabinet here : https://imgur.com/a/IdSuXS2 . The two RAM slots closest to the CPU (which are not working) cannot be seen in this pic, as they are covered by the big Cooler Master CPU cooler fan. BTW as soon as the boot cycle happened, I unmounted my new cooler suspecting it to be the culprit and tested with the old stock Intel cooler, but still the problem persists. Now I have installed new cooler tho. What else can go wrong here ?? and Thanks for your attention and reply again :)
 
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B

brispuss

Splendid
Dec 27, 2014
2,607
26
26,490
If it is certain that there is no damage to the CPU and its socket, and also that there is no dust, dirt, debris on or amongst the pins and pads, and also the CPU has been mounted evenly, and the two memory slots still do not appear to work, then check the two non working memory slots very carefully for damage to their contacts, and make sure there is no dust, dirt, nor debris of any kind in the memory slots.

If memory slots appear to be OK, then try another compatible known working CPU (borrow other CPU from friend, neighbor or whoever else if necessary).

If memory slots now work, then the original CPU seems to be faulty and will have to be replaced.

If memory slots still don't work, then the motherboard is likely to be faulty and may have to be replaced.
 
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