Result: FAIL - Wow, I think I have an issue here...

[jasonn]

Hello,

Can you help me understand what is wrong with my laptop?

It's random crashing and rebooting even when nothing is going on.

I've took out the 8GB that came with it when I bought it 6 months ago, and installed a different set of 8GBx2.

From reading this forum, it seems like my next testing steps would be to test 1 RAM at a time in each slot.

Any help would be great.

I've pasted the MemTest86-Report below. (Is sending pics I took of the screen during the test of any use?)

Thank you,
jasonn

[IMG]file:///C:/Users/Developer2/Desktop/mt86.png[/IMG]

Summary

Report Date	2014-05-03 22:36:02
Generated by	MemTest86 V5.0 Free (64-bit)
Result	FAIL

System Information

EFI Specifications	2.31
CPU type	Intel Core i7-4700MQ @ 2.40GHz
Measured CPU Speed	2394 MHz [Turbo: 2394.5 MHz]
# Logical Processors	8
L1 Cache	64K (190666 MB/s)
L2 Cache	256K (49723 MB/s)
L3 Cache	6144K (37074 MB/s)
RAM	16399M (17786 MB/s)
DIMM #0	8GB DDR3 PC3-12800
	Kingston / KHX1600C9S3/8G
	9-9-9-27 / 800 MHz / 1.5V
DIMM #1	8GB DDR3 PC3-12800
	Kingston / KHX1600C9S3/8G
	9-9-9-27 / 800 MHz / 1.5V

Result summary

Test Start time	2014-05-03 15:28:15
Elapsed Time	6:54:03
Memory Range Tested	0x0 - 44FE00000 (17662MB)
CPU Selection Mode	Single (CPU #0)
# Tests Passed	13/44 (29%)

Lowest Error Address	0x2000451E0 (8192MB)
Highest Error Address	0x3FFFF7AA0 (16383MB)
Bits in Error Mask	0000000052000000
Bits in Error	3
Max Contiguous Errors	1

Test	# Tests Passed	Errors
Test 0 [Address test, walking ones, 1 CPU]	4/4 (100%)	0
Test 1 [Address test, own address, 1 CPU]	3/4 (75%)	3
Test 2 [Address test, own address]	1/4 (25%)	5
Test 3 [Moving inversions, ones & zeroes]	0/4 (0%)	151
Test 4 [Moving inversions, 8-bit pattern]	0/4 (0%)	5275
Test 5 [Moving inversions, random pattern]	0/4 (0%)	14384
Test 6 [Block move, 64-byte blocks]	0/4 (0%)	184941
Test 7 [Moving inversions, 32-bit pattern]	0/4 (0%)	2836
Test 8 [Random number sequence]	1/4 (25%)	8
Test 9 [Modulo 20, ones & zeros]	0/4 (0%)	42095
Test 10 [Bit fade test, 2 patterns, 1 CPU]	4/4 (100%)	0

Last 10 Errors

[Data Error] Test: 9, CPU: 0, Address: 3FDA22E00, Expected: 0CE216C2, Actual: 4CE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FC84C8C0, Expected: 0CE216C2, Actual: 4CE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FC84C500, Expected: 0CE216C2, Actual: 4CE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FD1DC1A0, Expected: 0CE216C2, Actual: 4CE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FE118000, Expected: 0CE216C2, Actual: 4CE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FD1139C0, Expected: 0CE216C2, Actual: 0EE216C2

[Data Error] Test: 9, CPU: 0, Address: 3FD154E40, Expected: F31DE93D, Actual: F11DE93D

[Data Error] Test: 9, CPU: 0, Address: 3FCEED260, Expected: F31DE93D, Actual: B31DE93D

[Data Error] Test: 9, CPU: 0, Address: 3FD8CFB00, Expected: F31DE93D, Actual: B31DE93D

[Data Error] Test: 9, CPU: 0, Address: 3FD802240, Expected: F31DE93D, Actual: B31DE93D

[David (PassMark)]

Yes, there is something wrong with the machine.

Yes, try 1 stick at a time. Sometimes just re-seating the RAM in the slot can fix it. You might want to try the original stick as well, if you still have it.

[jasonn]

Great advice. I tried every combo with my 2 sticks and 2 slots. Plus used the OG chip in each slot too. I'm super happy to report it's not a defective slot on my laptop. One of my 2 sticks is defective. So my defective kit is now packed up and ready to send back for an RMA. Thank you, David! Your software is making lives better!

[jasonn]

Just to report, I got my RMA back (took a week), re-installed the memory, ran MemTest86, and instead of a quarter of a million errors, I now have zero errors! It's good to be back. Thanks again Passmark!

[David (PassMark)]

It is always nice to hear the end of the stories. Especially the happy endings.