Lenovo T400 / T500 :: T520 - BSOD Occurs When SD Card Inserted
Mar 8, 2012
I this will happen almost everytime if the machine has been in use for some time. Inserting an SD card (4GB Canon format) a BSOD is virtually guaranteed. After a new boot up it works fine but catastrophic if not since all info is lost and nothing is closed.
I looked at the dump file and the FASTFAT.SYS is the cause of the crash. This is a very old driver used in Windows 7 and there are numerous issues with it in many forums dating back even to XP. There are no crashes introduced by any other device or USB key/drive connected. Only the SD card.
I thought it may have be due to the USB controller being turned off for power conservation but even after removing the ability by toggling not to turn off to save power to the USB devices it still crashed the very next time I used it which was days later. The system was plugged in as well as it usually is.
I can do the same thing on my old notebook with its internal multicast reader running Window 7 32 bit and it does not have a problem. The Thinkpad does with Win 7 64bit. I am always conscious of a BSOD occurring if I dare plug in my camera card. This renders the port useless since I cannot afford regular crashes and a card reader externally may have to be used.
T520 Model 4239 Intel(R) Core(TM) i7-2860QM CPU @ 2.50GHz
Intel Sandy Bridge & Nvidia NVS 4200M graphics Intel N 6300 Wi-Fi adapter
Windows 7 Home Prem - 64bit w/8GB DDR3
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Apr 10, 2013
I've been running on a T520 4239-CTO for a little over a year now without issue. I've been getting lots of random bsod and services crashing in the last few days; even Windows 7 cannot validate itself anymore.
I ran all the hardware checks in the provided Lenovo utilities and it all seems to pass. I didn't trust this so I manually checked the smart values on the hard disk and noticed around 2400+ reallocated sectors so I decided to replace the hard disk.
It should be noted that there are no viruses/malware on this machine. After receiving the new hard disk I did a factory restore using the dvd backups I made when I received the machine. Upon booting the new factory install on the new disk I'm still getting the same random bsod and issues with Windows 7 not being able to validate.
I notice that everytime I boot now on the newly restored os that the "Microsoft Software Protection Platform" service has issues and cannot start. I started doing some updates using the Thinkvantage tools and they're crashing too.
This machine is currently on pass 4 of memtest without any errors so far.
I've replaced the hard drive and from the looks of things so far the ram seems fine. Where do I go from here?
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May 23, 2012
I recently discovered that my T520 has a SIM card slot (inside the battery slot)
I tried to put my cell phone SIM card in it, but there's no reaction (no "New device connected" popup dialog).
What should I do ?
Is there a driver + software that needs to be installed ? Which one?
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Nov 25, 2013
My SD card reader became non-functional after a recent upgrade of my T520 to Windows 8.1. Hardware troubleshooting said the Base System Device driver was not installed. I installed the Lenovo System Update software and searched for updates, but the driver was not updated. There is still a yellow warning symbol beside the Base System Device in the device manager. Discovered on the Lenovo driver download website that the card reader in my model is the Ricoh Media Card Reader but there is no driver compatible with Windows 8.1. Would the Windows 8 driver work or is there another solution to get my reader running again?
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Jan 22, 2008
My ThinkPad T520, connected to the Internet through the Intel 6300 WiFi card. The indicators fro the RJ45 Ethernet port are always steadily illuminated. I suspect they shouldn't be.
T520 4239-CTO
T61/p 6459-CTO (Gone but not forgotten)
A31/p XP Pro 1 gig memory
A30/p XP Pro 1 gig memory
TP600 Win 2K 288 mb memory
701C Win 98 Don't ask
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Aug 29, 2013
I got a T520 with 8G memory, beer accidently spilled on it, it wouldn't start again. So I got a new T430u with 4G memory. I was wondering if I could take the 8 G memory from t520, to be installed on t430u, is it gonna compatible on t430u?
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Dec 8, 2014
My T520 (4242) never crashed until I upgraded the RAM.
Initial config : Single stick of 4GB RAM.
- FRU # 55Y3717
- Samsung part # M471B5273CH0-CH9
Tried to upgrade with 2GB from following manufacturers:
- Corsair CMSO2GX3M1A1333C9
- A-data (don't remember the part #, but matching specs)
Result : Approximately once a day, I get BSOD. The system also crashes often while going in and out of sleep.
The A-data RAM works fine on a different laptop (T500), but I experience crashes when I put it in T520. This makes me wonder if my slot has an issue e.g. dust collected over time that causes a random read error. Or maybe I need to find the exact same part from Samsung to upgrade the RAM.
What else can I try? If it crashes randomly once a day, and works fine otherwise, can I conclude anything about RAM compatibility? memtest86 doesn't show any error.
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Dec 26, 2014
Sound has busted on T520 for a few weeks now. I can hear sound when I plug in my earphones, but windows recognizes this as a speaker, conexant 20672. I checked the "find and fix audio playback problems" in windows 7 to no avail. I believe I may have to have my speakers repaired. I am still under base warranty until sometime next year.
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Oct 25, 2014
I've got a ThinkPad T520 and I just bought a Netgear N600 Dual-band Cable Modem Router but my laptop isn't seeing the 5GHz wireless network? Is it even capable of doing so?
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Jun 3, 2011
I have replaced my old sata disk with a ssd disk . Intel 520 240 gb. on my T520. I have a Windows 7 and a minor Linux partition. Dual boot. I have moved the old image with Arconis True HD.
However, there is a HUGE difference in boot times between Windows and Linux.
Windows is 1 min and 35 sec with windows logo until login screen appears. Then additional 20 seconds.
Linux is 7-10 seconds from Lenovo sign in bios until I'm ready to go. Off course I did not expect Windows to boot as fast as Linux, but things has worsened after the change.
When Windows is up and running the SSD disk is preforming in the same speedy way as under Linux. It is just the boot situation which is terrible. AHCI is enabled .
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Apr 7, 2013
as i have learned there is no mechanical reason not to use classic keyboard-layout of the 7row model in a t530. but what are the effects of the bios no being able to support the 7r keyboard? which buttons will not work properly?
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Nov 22, 2013
i want to use the DVD tray to add a 2nd hard drive using one of the many 2nd HD Hard Drive Caddy Trays i see online, but i want to use a solid state drive in it. Can this be done? From what i ascertain via product literature, it appears that any caddy tray i see online says "accepts 2.5' 12.7MM SATA HDD only" or some such." While there are many SSD's that are 2.5 inch, I've only seen ones that are either 7mm or "7mm (with 9.5mm adapter)." Is there a product (either a T520-compatible 9.5mm caddy tray or a 12.77mm SSD) that can make this work?
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Jun 7, 2014
I'm having trouble figuring out why on my T520, after upgrading from 8GB/1333Mhz to 16GB/1600Mhz Crucial RAM, Speccy/CPU-Z still says they're running at around ~660Mhz x 2 = ~1330?
My specs are as follows:
For my T520 (4239-CTO) I have...
Processor: Intel Core i7-2860QM 2.5Ghz
RAM: Crucial 16GB (8GB x 2) DDR3-1600
GPU: Intel HD 3000 / NVIDIA QUADRO NVS 4200M
OS: Windows 7 Ultimate x64 SP1 (w/latest updates)
After Googling for a while and from looking around here I've read nothing that says I shouldn't be able to run at 1600Mhz especially considering my processor supports that speed officially. Another post on this topic (not for the T520 specifically) mentioned that i7's contain the memory controller within itself. So... am I being thwarted by software settings in the BIOS or within my operating system?
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Nov 17, 2008
I always liked to use the arrow keys on the bottom right of the keyboard for scrolling down pages as I read long documents. For some reason this is not working in Firefox on my T520. What setting I can change to enable this?
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Dec 11, 2014
I've been trying to set-up a second hand T520 bought without the original hard drive. I've installed a Samsung mSATA SSD. I tried to use a set of recovery discs produced on my T510 which seemed to install but got BSOD whenever Win 7 tried to boot. I then downloaded the Win 7 ISO and booted from the DVD to try and initialise a repair which would not initialise. I next tried installing Win 7 Pro from the Win7 ISO disc which succeeded but ran into problems with unrecognised network components and drivers.
I've gone through this whole cycle again and got to the set-up screen for Win 7 then got distracted; my thinkpad then appeared to have gone into hibernation before I could finish set-up. Unfortunately, when I try to power up I get a few flashing lights for a few seconds; no POST bleep and the power dies. I've tried pulling and reinstalling the RAM and SSD but to no avail.
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Aug 7, 2012
I have a T520 thinkpad with a docking station. I can get my headphones to work fine out of the laptop, but I would like to leave my headphones plugged into the headphone jack on the dock itself. The computer doesn't seem to recognize this jack is even there. My only sound options are the laptop speakers and the audio jack on the right side of the laptop.
How to enable the audio jack on the back of the dock?
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Mar 27, 2012
I recently updated a whole bunch of things on my T520, and afterwards experienced a significant slowdown in everything -- startup time as well as just general work. There's often a long lag when opening programs or documents, right clicking, etc. Part of this seems to be due to higher CPU usage. While idling (i.e. just sitting on my desktop) and looking at Task Manager, CPU usage seems higher than normal on some things -- SynTPEnh.exe will consume 3-8% of CPU, one instance of svchost.exe will take up to 10%, etc. My total idling CPU usage is generally 15-25% now. (I have a quad-core i7.) Also, my battery life dropped precipitously; it used to be upwards of 5 hours on a full charge when just doing general web browsing and word processing, but now it's less than 2 hours.
Going around in Process Explorer and Task Manager, I've found a few things that seemed somewhat unusual: A lot of my processes have many page faults -- slightly under 15 minutes after starting up my computer, SynTPEnh.exe has about 250,000, SimpleTap.exe has over 50,000, the instance of svchost.exe with the Base Filtering Engine, Diagnostic Policy Services, and Windows Firewall has about 250,000, and Process Explorer itself has about 250,000. There were also some items that seemed like they might be taking up more memory (Private Bytes, in Process Explorer) than they should -- dwm.exe is using about 150 MB, and SimpleTap.exe is using about 115 MB. Also, my CPU percentage of Interrupts jumps around, most of the time staying between 2-5%.
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Dec 10, 2012
How to reduce screen brightness below standard level in ThinkPad T520 ?
I think it is possible somehow, but I don't know how. I reduced brightness to zero using Fn key + End key, but it's not enough, I want to make screen darker, because my eyes get tired.
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Oct 20, 2013
My Thinkpad T520, Windows 7 Pro takes over a minute to load any webpage after waking from sleep. The wifi icon shows that the network has connected to the internet after about 10 seconds from wake up. But if I attempt to use a browser to load any webpage, I must wait nearly a minute before the page will load. After that, pages load quickly.
This problem occurs in multiple browsers (FF, IE, Chrome). I am using Intel Centrino Advanced N-6205 wireless adapter. I've updated the wireless driver and BIOS. I've cleaned out my registry using CCleaner, and I've defragmented.
One bit of advice I've read that I've tried from these forums does NOT work: Uncheck from Device Manager under the Power Management tab for my wireless adapater the option to Allow the Computer to Turn Off This Device to Save Power. Unchecking that option (which would seem to keep the driver on) makes the problem worse because the wifi will not reconnect at all.
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Oct 31, 2013
I'm experiencing regular BSODs on my T430s / Win7 when going into sleep mode (Fn-F4). The error message is driver_power_state_failure. This happens almost every day.
I know this is quite a common issue (I also had it with an older T500, but not on T420). After googling around, I've discovered WinDBG and the way to identify the faulty driver that is causing the problem.
However, I couldn't install the tool - neither the debuggers package (referenced from windbg.org), nor the toolset+.NET framework from the Microsoft website. The former keeps exiting the installer without any messages (although Remove Programs dialogue shows the thing installed, there appears to be no program to run), the latter fails to install without any diagnostics (tried installing debugging tools only, tried installing the complete package - same outcome).
So, need to analyzing the memory dump and identifying the faulty driver? Which file is needed for that - the complete memory dump (from /Windows/ folder, ~500 MB in size) or the minidump file (from /Windows/Minidump/ folder, ~700 KB in size)? Or both?
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Apr 27, 2013
I can`t find out where the SD Card slot is! On Lenovo T400
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Aug 12, 2013
I inserted a mobile broadband SIM card into the slot of my T431s, as described in the user manual. The SIM Card (EE 4G) works fine in my Huawei Mobile Wifi E589.
The Laptop is installed with WIN7 64bit Professional and all WIN7 updates are installed. I gave the laptop to our IT department, who called Lenovo Helpdesk and we got the reply that they can give us a brand new image of the harddisk which MAY fix it. Our IT department as well as myself tried everything including the obvious such as access connections. The WIFI module in access connections is greyed out. It seems that the SIM Card is not recognised. We tried also SIM cards from different providers, which do not work.
Having just spent some time installing my programmes and files, I am reluctant to have the whole laptop wiped and re-imaged....
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Jan 23, 2014
I bought an ExpressCard 34 USB 3 card. However when I plug a USB cable in the card springs out.
I can't see a way to stop this from happening.
I need a CF card reader ExpressCard but can't afford for it to keep popping out.
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Oct 8, 2013
When I'm using any aplication with Nvidia card (Photoshop, 3D Max, etc.) or switching to external monitor (Display Port) my CPU sets down to minimal values: 1.15Ghz.
This issue very important for me, because working on such speed is impossible ....
[ T430, Core i5-3210M, Nvidia NVS5400, Windows 8 x64 PRO ]
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Nov 28, 2011
I have a SIM-card slot which is supposedly for WWAN, but I don't have a WWAN modem. Can I use the SIM slot in this state for WLAN (HSPA) and such (with Intel Centrino?), or do I need to buy an USB modem from a wireless operator?
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Jul 5, 2010
my 4-in-1 card reader (04W1701)is on the fritz, can't find any on ebay, but there are plenty of '5-in-1' (FRU 45M2658) to be had. Can I use that instead?
T440p | Core i7 4700MQ @ 2.4 ghz | 8 GB | Samsung 840 EVO 240gb SSD | 14" | Intel HD Graphics | Windows 7 Pro 64-bit
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Apr 9, 2013
I have up-to date Windows 7 x64 SP1 ENG version of windows.The problem poped up 2 or 3 revisions of Nvidia driver ago with original version of Photoshop CC 2014. As you can see updating program and video card drivers to date, do nothing. And yes, i tried to launch PS with mouse context menu and forcing to use Nvidia chip. In control panel of video card PS is assosiated with Nvidia card too.
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Jan 31, 2015
my new T440p with built-in WWAN Ericsson N5321gw doesn't recognize the SIM-Card. I'm running Win7 64 Bit and in the device manager, I can see the Ericsson device showing up without any errors. Once I launche Access Connections, I receive the error message there's no SIM card inserted and I should insert the SIM and try again. The SIM is inserted as shown next to the slot (although I tried other ways, too). I tried two different SIM-cards just to be safe, both SIM-cards are working in my phone.
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May 26, 2014
is theire an possible option to get an Intel 7260HMW card (wireless AC) up and running on Lenovo T430 - Type: 2350-1B6 - Bios: G1ETA5WW (2.65 ). I runs on failure on boot, assuming this is related to the BIOS, but i use the newest one.
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May 4, 2014
Bought a refurb T400 and installed a PNY SSD in it. It POST's okay and I can access bios. I can also read/install Linux from DVD just fine.
Trouble is when I insert my win7 home premium DVD into the drive and boot it, I get POST and then I get a black screen. It seems to be reading the drive and when I interrupt with the Esc key or open the DVD drive, I get a Windows menu explaining that the installation has been interrupted.
I've looked at the bios options and can't see anything obvious that should be changed.
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