IRQL_NOT_LESS_OR_EQUAL after ram installation but win7 32bit

Microsoft Windows xp professional w/serv...
December 11, 2019 at 12:02:21
Specs: Windows 7 Pro
I have a desktop pc with 3GB RAM, win7 32bit and win10 64bit (both working fine).
I installed 16GB RAM (throwing away the old 3GB).
After that, win7 32bit is working fine (saying installed memory 16GB, 3,50GB usable).
But when I boot from win10 64bit, I am getting a blue screen with the error IRQL_NOT_LESS_OR_EQUAL.
The same happens when I try to boot from the hard disk partition where I had started the installation from for win10.
What could be the reason for this strange behavior?
Thanks

See More: IRQL_NOT_LESS_OR_EQUAL after ram installation but win7 32bit

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#1
December 11, 2019 at 14:14:35
What is your exact motherboard model?

IRQL_NOT_LESS_OR_EQUAL
https://www.computerhope.com/issues...


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#2
December 11, 2019 at 17:55:24
Did you try testing the RAM? Seems the logical place to start.
https://www.memtest.org/
https://www.memtest86.com/

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#3
December 12, 2019 at 00:05:09
I checked the timing tables of the modules and found out that 3 of them are like this:
Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 457.1 MHz 6,0 6 6 17 22 1,500 V
JEDEC #2 533.3 MHz 7,0 7 7 20 26 1,500 V
JEDEC #3 666.7 MHz 9,0 9 9 24 33 1,500 V

while 1 of them is like this:
Frequency CAS# Latency RAS# To CAS# RAS# Precharge tRAS tRC Voltage
JEDEC #1 444.4 MHz 6,0 6 6 16 23 1,500 V
JEDEC #2 592.6 MHz 8,0 8 8 22 30 1,500 V
JEDEC #3 666.7 MHz 9,0 9 9 24 34 1,500 V

I will try to remove the last one.


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Related Solutions

#4
December 12, 2019 at 01:52:11
I removed the different module but to no avail.
I removed a second module and got a blue screen with a different error: KERNEL_SECURITY_CHECK_FAILURE

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#5
December 12, 2019 at 02:35:01
Did you go through all the fixes in my first post?

More here.

KERNEL_SECURITY_CHECK_FAILURE
http://techgenix.com/kernel-securit...
https://theitbros.com/kernel_securi...


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#6
December 12, 2019 at 02:49:34
I had already done that before posting but couldn't make it run correctly (same for windows memory diagnostic). I will try a more direct approach: remove all memory sticks.

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#7
December 12, 2019 at 03:41:29

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#8
December 12, 2019 at 04:31:02
just blow the dust out of the newly occupied ram slots, also you can use a pencil erasor to clean the contact pins.

if that doesnt work, then probably one of the ddr2 modules is faulty,

boot win 7 64 bit with one stick, then 2 stick, etc until it BSOD's.

i5-6600K[delid]@4.828GHz Core/4.627 Cache@1.456v | 2x4GB Crucial-DDR4-2400MHzCL18@3018MHzCL12@1.465v | Sapphire Nitro+ SE RX 590 8GB@1660Mhz core@1.2v/2236MHz


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#9
December 12, 2019 at 13:21:37
What exact RAM did you install?

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#10
December 19, 2019 at 09:24:55
After much effort and a multitude of new problems, I'll call it quits.
Thanks

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#11
December 19, 2019 at 09:42:49
You never answered my question. Mismatched RAM may not even work together. For best results you should install RAM sticks in sets that are factory matched.

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#12
December 19, 2019 at 13:00:43
The technician said the ram sticks were compatible. Anyway,

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#13
December 19, 2019 at 16:17:33
Obviously that isn't correct. The computer worked fine until you swapped out the RAM.

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#14
December 19, 2019 at 21:07:56
Try each of the sticks one at a time (after cleaning the contacts) and seeing if any of them works at all, including the original stick(s). Once you get it running go to crucial.com and run their scanner to see what they recommend purchasing for your system. You do not have to purchase from them but if you do not make sure that it is the same in all ways.

For best results always purchase memory sticks in matched pairs, they will always perform better together and it also reduces compatibility issues. The least of the problems with mis-matched sticks is that they may run but if they do, they will run at the only speed that both sticks can operate at and that is usually the slower available speed. Often they will not run at all like in your case.

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


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#15
December 21, 2019 at 13:19:03
You MAY be able to return, or exchange the NEW RAM from the vendor you bought it from.

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