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21 May 2014 | #1 |
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Windows 7 AMustor.sys BSOD issues?
I have an ASUS N53SV-XV1 that has been getting BSOD during normal use. It goes BSOD at random whether in use or sitting idle. I ran driver verifier and AMustor.sys was showing up as a problem. AMustor.sys has to do with the SD card reader. Updated the driver for the card reader and still getting BSODs, as many as 10+ per day. Attached are my dump files.
Was running Corsair 8GB (2x 4GB) 1333mhz PC3-10666 204-pin DDR3 SODIMM, but switched to OEM stick. NOTE: In 2012 I ran Memtest 10+ passes on each stick and there were no errors found. I reinstalled the OEM RAM, which came up clean after a Memtest run, but that was a while back. Below are my specs: Make and Model ASUS N53SV-XV1 Display 15.6-inch LED-backlit Full HD display (1920 x 1080) Graphics Card NVIDIA® GeForce® GT 540M with 1GB DDR3 VRAM and NVIDIA Optimus Technology Processor Type : 2nd gen Intel® Core™ i7-2630QM Speed : 2.0 GHz (with Turbo Boost 2.0 up to 2.9 GHz) Cache : 3 MB L3 Chipset Intel® HM65 Memory OEM 4Gb Corsair 8GB (2x 4GB) 1333mhz PC3-10666 204-pin DDR3 SODIMM NOTE: In 2012 I ran Memtest 10+ passes on each stick and there were no errors found. Storage Crucial M4 SSD 256GB, 2.5" SATA Optical Drive Super Multi DVD drive Communication LAN : 10/100/1000 Mbps Ethernet WLAN : Integrated 802.11 b/g/n (@2.4GHz) Bluetooth Built-in Bluetooth™ 2.1 Audio Bang & Olufsen ICEpower® Built-in Speakers And Microphone SonicFocus (Realtek High Definition Audio) Interface 1 x USB 3.0 ports 3 x USB 2.0 ports 1 x RJ45 LAN Jack for LAN insert 1 x HDMI 1 x Microphone-in jack 1 x Line-in Jack 1 x VGA port/Mini D-sub 15-pin for external monitor Power Output : 19 V DC, 6.3 A, 120 W (Quad Core) / 4.74 A , 90 W (Dual Core) Input : 100 -240 V AC, 50/60 Hz universal |
My System Specs![]() |
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21 May 2014 | #2 |
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Your Intel display driver is causing issues.
Code:
Unable to load image \SystemRoot\system32\DRIVERS\igdkmd64.sys, Win32 error 0n2 *** WARNING: Unable to verify timestamp for igdkmd64.sys *** ERROR: Module load completed but symbols could not be loaded for igdkmd64.sys igdkmd64+0x67001 Code:
fffff880`04806000 fffff880`053b7180 igdkmd64 T (no symbols) Loaded symbol image file: igdkmd64.sys Image path: \SystemRoot\system32\DRIVERS\igdkmd64.sys Image name: igdkmd64.sys Timestamp: Tue May 24 02:17:00 2011 (4DDB070C) CheckSum: 00BB2D63 ImageSize: 00BB1180 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4 https://downloadcenter.intel.com/Default.aspx Can you uninstall your Alcor Micro SD Card Controller as it's causing issues. Code:
Unable to load image \SystemRoot\system32\drivers\AmUStor.SYS, Win32 error 0n2 *** WARNING: Unable to verify timestamp for AmUStor.SYS *** ERROR: Module load completed but symbols could not be loaded for AmUStor.SYS ALCOR MICRO - Storage Product > SD Card Controller Code:
fffff880`011ef000 fffff880`011fe000 AmUStor T (no symbols) Loaded symbol image file: AmUStor.SYS Image path: \SystemRoot\system32\drivers\AmUStor.SYS Image name: AmUStor.SYS Timestamp: Fri Aug 21 07:48:18 2009 (4A8E4332) CheckSum: 0000F912 ImageSize: 0000F000 Translations: 0000.04b0 0000.04e4 0409.04b0 0409.04e4 |
My System Specs![]() |
21 May 2014 | #3 |
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Thanks, I'll try updating the Intel driver and disabling the card reader. It is unfortunate that I have to uninstall the card reader, I use it often, but the computer is worthless with the constant BSODs.
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21 May 2014 | #4 |
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I mean you can try updating the card reader and if it continues to BSOD then remove it.
At the end of the day it's up to you ![]() |
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21 May 2014 | #5 |
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I updated the Intel graphics driver without disabling the card reader and got a BSOD. I now have both disabled and haven't had a BSOD since disabling the card reader. I'm attaching the new dump file to confirm it was the card reader that caused the BSOD.
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My System Specs![]() |
22 May 2014 | #6 |
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Only pool corruption, can't identify the driver responsible.
Can you also enable driver verifier but only enable the options: Standard settings and IRP logging step 3. Don't enable Force Pending I/O Requests Enable Driver Verifier to monitor the drivers. Driver Verifier -Enable and Disable Run Driver Verifier for 24 hours or the occurrence of the next crash, whichever is earlier. ![]() Why Driver Verifier: It puts a stress on the drivers, and so it makes the unstable drivers crash. Hopefully the driver that crashes is recorded in the memory dump. How Can we know that DV is enabled: It will make the system bit of slow, laggy. ![]() Before enabling DV, make sure that you have earlier System restore points made in your computer. You can check it easily by using CCleaner looking at Tools > System Restore. If there are no points, make a System Restore Point Manually before enabling DV. ![]()
Let us know the results, with the subsequent crash dumps, if any. |
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22 May 2014 | #7 |
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Thanks for the advice.
![]() I'll start running Verifier again this evening when I'm off work and let you know what happens. |
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