Bad RAM but no memtest errors?

K

Kibawolf3

New member
Local time
8:23 AM
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I will try and keep this simple.
I am using 4x 4gb ballistix sport 1600 ram
I was having lots of memory related problems (freezing, blue screens of death)
I took all the sticks out and used them one at a time (normal usage not memtest)
The last stick i tried gave me bad boots and memory related BSOD (irlq not less, memory management etc.)
The same applies for all other slots on the motherboard, good RAM works in all slots, bad RAM doesnt work in all slots.

Now the thing i dont understand is when i run this bad RAM on memtest 86+ for over 5 hours, doing 7 passes, no errors have come up, so to anyone testing RAM, this stick would seem perfectly fine?
Am i missing somethings?

In Brief;
Can a bad RAM stick still not show errors after 7 passes of memtest?
If yes, is memtest reliable?

Thanks
Shawn
 

My Computer

Computer type
PC/Desktop
OS
windows 7
CPU
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz, Intel64 Family 6
Motherboard
Gigabyte Technology Co., Ltd., Z77P-D3
Memory
RAM: 16343 Mb
Graphics Card(s)
Graphics Card: AMD Radeon R9 200 Series, -1 Mb
Hard Drives
Hard Drives: C: Total - 114120 MB, Free - 60272 MB; E: Total - 1907599 MB, Free - 1077415 MB; F: Total - 953866 MB, Free - 952976 MB; H: Total - 953869 MB, Free - 687052 MB;
MemTest86+ is completely reliable. 8Gb in 5hrs seems too short. Run a minimum of 8 consecutive passes.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Golden Mk. I.4
OS
Windows 10 Pro x64 ; Xubuntu x64
CPU
Intel i7 860 @ 2.80 GHz O/C'ed to 4.0GHz
Motherboard
Gigabyte P55A-UD3R Rev.1. Award BIOS F13
Memory
16GB Corsair Vengance DDR3 @ 661 MHz Dual Channel (9-9-9-24)
Graphics Card(s)
EVGA NVidia GTX 560 1024MB
Sound Card
Realtek Integrated
Monitor(s) Displays
Dual Samsung SyncMaster 2494HS
Screen Resolution
1920*1080 and 1920*1080
Hard Drives
1*Samsung 840 EVO 120GB SSD;
1*OCZ Vertex 2 60GB SSD;
2*Samsung F3 SpinPoint 1TB in RAID0;
1*Samsung F1 SpinPoint 1TB;
2*Western Digital 1TB External USB 3.0
1*Western Digital 500GB External USB 3.0
1*Seagate 500GB External USB 2.0
PSU
Thermaltake ToughPower QFan 750W
Case
Thermaltake Element S VK60001W2Z
Cooling
Corsair H60 Water Cooling, 2*230mm and 2*80mm case fans
Keyboard
Logitech G110
Mouse
Logitech MX518
The stick is 4gb :)
and it had 7 passes on it :/ yet still no errors? but when i run the PC off that 1 stick its just error after error. without memtest proof is it still safe to say the RAM is corrupt? or shall i run memtest for even longer?
thanks

Golden said:
MemTest86+ is completely reliable. 8Gb in 5hrs seems too short. Run a minimum of 8 consecutive passes.
Click to expand...
 

My Computer

Computer type
PC/Desktop
OS
windows 7
CPU
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz, Intel64 Family 6
Motherboard
Gigabyte Technology Co., Ltd., Z77P-D3
Memory
RAM: 16343 Mb
Graphics Card(s)
Graphics Card: AMD Radeon R9 200 Series, -1 Mb
Hard Drives
Hard Drives: C: Total - 114120 MB, Free - 60272 MB; E: Total - 1907599 MB, Free - 1077415 MB; F: Total - 953866 MB, Free - 952976 MB; H: Total - 953869 MB, Free - 687052 MB;
Ah OK...a single chip.

You might try running it longer. Can you run without any trouble with another RAM chip in exactly the same motherboard slot?
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Golden Mk. I.4
OS
Windows 10 Pro x64 ; Xubuntu x64
CPU
Intel i7 860 @ 2.80 GHz O/C'ed to 4.0GHz
Motherboard
Gigabyte P55A-UD3R Rev.1. Award BIOS F13
Memory
16GB Corsair Vengance DDR3 @ 661 MHz Dual Channel (9-9-9-24)
Graphics Card(s)
EVGA NVidia GTX 560 1024MB
Sound Card
Realtek Integrated
Monitor(s) Displays
Dual Samsung SyncMaster 2494HS
Screen Resolution
1920*1080 and 1920*1080
Hard Drives
1*Samsung 840 EVO 120GB SSD;
1*OCZ Vertex 2 60GB SSD;
2*Samsung F3 SpinPoint 1TB in RAID0;
1*Samsung F1 SpinPoint 1TB;
2*Western Digital 1TB External USB 3.0
1*Western Digital 500GB External USB 3.0
1*Seagate 500GB External USB 2.0
PSU
Thermaltake ToughPower QFan 750W
Case
Thermaltake Element S VK60001W2Z
Cooling
Corsair H60 Water Cooling, 2*230mm and 2*80mm case fans
Keyboard
Logitech G110
Mouse
Logitech MX518
As Golden says mate because it can also be a bad slot - not that obvious sometimes.
 

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Own build (new) Desk1 / Asus ROG Win 7 / Desk2 1st build
OS
Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
CPU
Desk1 i5 3750K / Laptop i7 GTX 860M / Desk2 i5 2500
Motherboard
Desk1 Asus P877-V / Desk2 Gigabyte H67 UD3H / Laptop ?
Memory
Desk1 8GB (1866) / Desk2 16GB (1333) / Laptop 8Gb DDR3
Graphics Card(s)
Desk 1& 2NVidia GTX 650 & Laptops on board Intel
Sound Card
Desk 1 & 2 -XONAR DG Realtek High Def audio Laptop
Monitor(s) Displays
Desk 1 Benq HD 2450 / Desk2 Philips 24" / Laptop 17.5"
Screen Resolution
1920x1080 D1 & D2 & Laptop 1
Hard Drives
Desk1 Samsung 120GB 830 SSD
Asus ROG 256GB 850 Pro SSD
Desk2 Samsung 840 256 SSD
Toshiba 120GB EVO
PSU
Desk 1 Corsair HX 1050/ Laptop ? / Desk 2 Corsair HX 650
Case
Desk 1 Cooler HAF XM ? Toshiba laptop / Desk2 Coolermaster
Cooling
Fans on all Desk1 -2 Desk2 - all Coolermasters 5 Laptop ?
Keyboard
Desk 1 MS Sidewinder X6 Desk 2 MS Sidewinder X 4
Mouse
Desk 1&2 - Gigabyte MS 900 gamer - laptop - Logitec wireless
Internet Speed
ADSL2+
Other Info
One other Desktop (tester) and spare Toshba laptop both with SSD's
Running Kaspersky 2016 ISS on all machines config'd identically
Logitec audio stereo systems on each machine (x3)
Canon MG5250MFC
Router/modem TP-Link running WPA2SK
Golden said:
Ah OK...a single chip.

You might try running it longer. Can you run without any trouble with another RAM chip in exactly the same motherboard slot?
Click to expand...

Yes, as mentioned in my first post the apparently faulty ram stick acts the same way regardless of which mobo slot is used. And the good ram stick, works fine in all mobo slots too. I am just confused on how my pc will not boot properly and give many memory related bsod, yet 7 passed on memtest 86+ will give no errors :/ is there any other tests i can run? Once i see errors, i can happily throw it away :)
Thanks
 

My Computer

Computer type
PC/Desktop
OS
windows 7
CPU
Intel(R) Core(TM) i7-3770K CPU @ 3.50GHz, Intel64 Family 6
Motherboard
Gigabyte Technology Co., Ltd., Z77P-D3
Memory
RAM: 16343 Mb
Graphics Card(s)
Graphics Card: AMD Radeon R9 200 Series, -1 Mb
Hard Drives
Hard Drives: C: Total - 114120 MB, Free - 60272 MB; E: Total - 1907599 MB, Free - 1077415 MB; F: Total - 953866 MB, Free - 952976 MB; H: Total - 953869 MB, Free - 687052 MB;

My Computer

Computer type
PC/Desktop
Computer Manufacturer/Model Number
Own build (new) Desk1 / Asus ROG Win 7 / Desk2 1st build
OS
Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
CPU
Desk1 i5 3750K / Laptop i7 GTX 860M / Desk2 i5 2500
Motherboard
Desk1 Asus P877-V / Desk2 Gigabyte H67 UD3H / Laptop ?
Memory
Desk1 8GB (1866) / Desk2 16GB (1333) / Laptop 8Gb DDR3
Graphics Card(s)
Desk 1& 2NVidia GTX 650 & Laptops on board Intel
Sound Card
Desk 1 & 2 -XONAR DG Realtek High Def audio Laptop
Monitor(s) Displays
Desk 1 Benq HD 2450 / Desk2 Philips 24" / Laptop 17.5"
Screen Resolution
1920x1080 D1 & D2 & Laptop 1
Hard Drives
Desk1 Samsung 120GB 830 SSD
Asus ROG 256GB 850 Pro SSD
Desk2 Samsung 840 256 SSD
Toshiba 120GB EVO
PSU
Desk 1 Corsair HX 1050/ Laptop ? / Desk 2 Corsair HX 650
Case
Desk 1 Cooler HAF XM ? Toshiba laptop / Desk2 Coolermaster
Cooling
Fans on all Desk1 -2 Desk2 - all Coolermasters 5 Laptop ?
Keyboard
Desk 1 MS Sidewinder X6 Desk 2 MS Sidewinder X 4
Mouse
Desk 1&2 - Gigabyte MS 900 gamer - laptop - Logitec wireless
Internet Speed
ADSL2+
Other Info
One other Desktop (tester) and spare Toshba laptop both with SSD's
Running Kaspersky 2016 ISS on all machines config'd identically
Logitec audio stereo systems on each machine (x3)
Canon MG5250MFC
Router/modem TP-Link running WPA2SK
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