Lenovo T400 / T500 :: ThinkPad T520 Reconnects To WiFi After Wake Up From Sleep But Web Pages Load Very Slowly

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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Lenovo T400 / T500 :: T500 Does Not Wake Up From Sleep Mode

Feb 17, 2010

My T500 (2241-3XU with Win 7 64 bit Ultimate) has never been able to wake up from sleep mode after lid is closed. I finally reverted to using hibernate but was just wondering if there is a new fix that I am not aware of. I tried to find info a couple of years back before switching to hibernate.

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Lenovo T400 / T500 :: Can ThinkPad T520 See 5 MHz Wireless Network?

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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Lenovo T400 / T500 :: T440s Doesn't Wake Up From Sleep

Jan 19, 2014

I got a new T440s about 2 weeks ago and sometimes it doesn't wake up after it goes into sleep mode. It gets stuck on a black screen and the mouse cursor is visible, but moving the mouse or pressing keys on the keyboard fails to wake it up. When this happens, I have to restart the computer by holding down the power button for 10 seconds. I am running Windows 7 Professional 64 bit and hybrid sleep is off. I'm just really confused because sometimes it wakes up perfectly and sometimes it doesn't.

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Lenovo T400 / T500 :: ThinkPad T520 RAM Clock Speed Stuck At 1333?

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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Lenovo T400 / T500 :: ThinkPad T520 Headphone Jack On Docking Station

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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Lenovo T400 / T500 :: T540p - Display Inactive After Wake From Sleep Using Windows 8.1

Oct 30, 2014

Windows 8.1, 64bit, all drivers up to date, Nvidia 730m, intel 4600. Fairly new issue (couple of months), laptop wakes from sleep but display does not function, everything seems to be working normally during, just no display. Forced to hard restart.
 
Just avoiding using sleep mode for now. Seems to be a software issue, upgraded to 8.1 when purchased almost a year ago, worked fine until recently.

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Lenovo X Series ThinkPad :: WiFi Won't Connect After Wake-Up From Sleep On X230

Sep 10, 2012

Brand new X230 here, with the Lenovo wifi.  It seems like when I first got it that it would reconnect to wifi after waking, but now, after having done all my software installation, system updates, bios update, etc. - at some point it stopped doing this.  After waking I've tried turning wifi on and off, disabling and re-enabling the adapter, releasing and renewing the ip (it won't renew).  Basically, after coming out of sleep it seems like the adapter just won't "wake up" fully and get a new ip address.  All Windows and systems updates have been performed. 

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Lenovo T400 / T500 :: ThinkPad T520 - How To Reduce Screen Brightness Below Standard Level

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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Lenovo T400 / T500 :: T440s Windows 7 Pro Loses WiFi Connection After Sleep 7260AC

Feb 6, 2010

I keep having issues waking up from sleep with my T440s.  It WILL NOT connect to wifi and the wireless adapter under windows adapter settings disappears.  Only thing that fixes this is a reboot.  I have removed "allow windows to turn this device off" under wireless settings.
 
Driver: 17.12.0.4
Dated: 28/08/2014
Software: Lenovo Access Connections
 
I do not use windows to connect to WIFI.  I have dedicated profiles for each of my wifi networks at home and work.

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Lenovo T400 / T500 :: T540p Battery Drain In S4 Sleep State After BIOS And Intel WiFi Driver Update

Aug 17, 2014

On my T540p, I configured the rapid start technology according to [URL] ....
 
Since I have performed a BIOS update to 2.14  and an update of the Intel Wifi driver to 17.0.5, I experience the problem of battery drain when the computer is in S4 sleep state, at a rate of approximately 0.125% per hour (on the 56Wh battery).
 
This was not the case before these updates. There was no noticable power drain in S4 sleep state, even not over multiple days. I'm using Win7, I set all the WoL capabilities both in BIOS and in the Intel driver to disabled, according to [URL] ....
 
External device USB charge settings are also fully disabled in BIOS and Power Manager. The problem does not occur when the system is fully shut down, but in S4 Sleep state, which should be a zero-power state too, as it was before the updates. In the details of the BIOS update it is stated " Fixed an issue where the computer might fail to enter sleep state". Could the power drain be a side effect of this fix? Or is it an issue with the (new) Wifi driver, as it was the case for the Y410P?
 
How could this battery drain be avoided?

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Lenovo T400 / T500 :: T520 RX And TX LEDs Always Lit

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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Acer :: VA70 Won't Load Web Pages Via WiFi

Sep 4, 2014

My laptop's wifi drivers are current. It will not load webpages after connecting to my wireless network. This is a known good network (iphones, ipads, macs can connect no problem and load pages). The Acer will connect, but it will not load webpages. Via ethernet, it works fine. No issues.

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Lenovo T400 / T500 :: Can Memory From T520 Be Used On T430u

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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Lenovo T400 / T500 :: T520 Crashes Once A Day After RAM Upgrade

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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Lenovo T400 / T500 :: T520 - How To Use SIM Card Slot

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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Lenovo T400 / T500 :: Busted Sound On T520

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.  

[URL]

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Lenovo T400 / T500 :: SSD Slow Boot Windows 7 On T520

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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Lenovo T400 / T500 :: Usage Of Keyboard From T520 In T530

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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Lenovo T520 T400 / T500 :: 2nd HD Hard Drive Caddy Tray For SSD?

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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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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Lenovo T400 / T500 :: T520 SD Card Reader Not Detectable After Windows 8.1 Upgrade?

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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Lenovo T400 / T500 :: Arrow Keys For Scrolling Not Working In Firefox On T520

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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Lenovo T400 / T500 :: T520 - Flashing Lights On Power Up / No Post Bleep

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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Lenovo T400 / T500 :: Huge Slowdown On T520 After Updating Through TV System Update

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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Lenovo W540 ThinkPad W Series :: Won't Wake Up From Sleep

Oct 31, 2014

When I put my laptop to sleep or it sits idle for a period of time and goes to sleep on it's own it stops recognizing the laptop monitor.  It will still display on other monitors connected through the docking station, but not the laptop.  It doesn't matter if I put it to sleep while on the dock or off the dock, it never recognizes the monitor.  
 
I have an Intel HD Grpahics 4600, and an NVIDIA Quadro K1100M video cards.  I've checked drivers for both and they both say they are up to date (9/29/14 for Intel, and 09/12/2014 for NVIDIA).  I have also updated every possible thing in the Lenovo System Update.
 
This problem occured after switching from windows 7 to windows 8.1.I have also lost the ability to control the brightness of my laptop monitor through my computer at any point in time.  The function keys don't work, and the setting is not shown on my power manager.

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Lenovo T400 / T500 :: T520 / Windows 7 - Suddenly Receiving Random BSOD And Applications Crashing

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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Lenovo X1 Carbon X Series ThinkPad :: After Opening Lid In Sleep Mode It Does Not Wake Up?

Jan 3, 2014

power option is set up in sleep, when i close the lid and after opening it, it does not wake up. i have to press the power button for 5 or more seconds in order to restart the system
 
i am using windows 8

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Lenovo X Series ThinkPad :: X230 Not Wake Up After Sleep Mode / Power Button Blink With No Response

Sep 5, 2012

I just got my x230 yesterday and I'm having some weird issues. 

(1) whenever my laptop goes to sleep mode. I can't seem to make it wake up. The power button would just slowly blink and would not respond to anything. I would have to hard reset my laptop for it to turn on. When I turn it back on, it would go the "Start windows normally" screen.

(2) whenever I close the lid, I'm guessing it tries to go to sleep mode, then if I wake it up, the system seem to reboot and would go to the "start windows normally" screen.

Both seems to all relates to sleep mode.

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Lenovo T400 / T500 :: T420s USB Storage Fails To Load Driver (Code 10)

Aug 21, 2014

My 5 months old SSD crashed and I replaced it with a Macrium created mirror.  Everything seems to work except the computer no longer recognizes USB drives.  The USB drives are good (checked on other devices), I've removed and reinstalled all USB hubs and drivers - the chip drivers and bios are up to date and the USBs are enabled in the BIOS AND I've done several virus scans (online and local) in safe mode (Malwarebytes, Spybot, ESET, Defender, AVG, Housecall).  The USBs are recognized on boot but once Win7 boots the USB for storage devices no longer work.... however, the USB recognize keyboards and the mouse.  Guessing a new OS install will fix it, however, I would rather not reinstall everything.

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