Lenovo T400 / T500 :: T440p - NVidia Optimus Does Not Work On Windows 8.1
Dec 16, 2013
I recently purchased my new notebook (Lenovo T440p) which comes with OPTIMUS integrated Intel graphic card coupled by GeForce GT 730M 1GB. I tried to play some games; however for some reason in game options show, that my Intel HD card is being used as a default graphic card. This suggests that OPTIMUS technology is not switching the graphic card properly. System running on windows 8.1 Pro 64bit. How to enable Optimus switching?
The company I work for just gave me a new Thinkpad T440P and I have a screen Brightness problem. the shortcuts on the keyboard doesn't work with or without the fn button and the brightness gauge doesn't show up in the power options too.
Someone suggested to that I should download and install the latest Intel HD Graphics Driver for Windows 7 from the support page [URL] ... but after the installation ended a pop up on my screen said that my Laptop doesn't have the minimum requirements for this driver! so who come it's in the drivers section for this model?
I have a T440P, Up to recently, I was in Windows 7 with Lenovo Power Manager set with threshold charging limited at 63%, So far so good. Now, Windows 8.1 has been installed from scratch (Not an upgrade).
The laptop with windows 8.1 still stop charging at 63%. But there is no Lenovo Power Manager available for windows 8.1. I don't find any solution to deactivate this limitation...
I have a T440p with Windows 7 Pro. Except on rare occasions, I am unable to log into Windows with my first swipe across the fingerprint reader. The green light is on when I do the first swipe and it immediately goes off and stays off for around 15 seconds, during which time another swipe does nothing. Then the green light will return and a second finger swipe will log me on.
It's made using the fingerprint reader for login impractical, because it's faster to just go to the password screen and log in that way.
Thinkpad T440p: i7-4800MQ | Crucial 16GB DDR3-1600, 9-9-9-24 | Samsung 840 Evo 500GB SSD | Intel 7260 Dual-Band AC Wireless | Windows 7 Pro
I was originally under the impression that my laptop (Thinkpad T510 4384-DS9) had NVIDIA Optimus display technology, however, I cannot find any OPTIMUS options in the BIOS under display (or any other section for that matter).
The reason I would like to know is that I have recently purchased a docking station (model: 4338) and 3 external monitors which I would like to use simultaneously.
Forgetting the fact that I'm using Linux, and that for most people this wouldn’t be a challenge worth undertaking, I would just like to know if my system actually supports 3 external monitors and the laptop screen concurrently using the docking station.
I am running Win 7 on a new T440p. I can't connect to a projector using F7 nor are the brightness controls working (F5 and F6). The other HotKeys are working. I have updated to the latest HotKey driver.
I've purchased this ram from the lenovo site for my T440p laptop and they said its compatible with the original 4gb RAM which it has. but when I install it in the other free slot and turn it on it cames with a black screen and stucks in it!! When I take it out everything is ok and it turns on normally.
I just received three new T440p laptops using Win7 Pro. Unfortunately, the wireless link to keeps disconnecting ever so frequently on all the machines. I have updated the Wireless drivers, reinstalled the BIOS and even optimised power options to enhance the wireless perfomance but none have worked.
Just got a T440p and it's working fine. BUT when I go into an application like Word and either hit the function key or combine it with the Alt, Ctrl, or Shift key, I still get the default action of the Funciton key. For example, in Word, the Alt-F9 combination is used to display field codes. When I do that, however, I get the Control Panel popup. Similarly, in a browser, I should be able to hit the F12 key and get the Developers pane at the bottom of the screen. But instead in IE, Chrome, and Firefox, I get a My Computer popup.
I just got myself a thinpad T440p and was planning on getting a docking station. Since i have never gotten one before i was confused on which one should i get. I wanted to get the thinkpad Ultra Dock but was confused on how i would determine if i should be getting the 90W, 135W or the 170W. I live in Canada, Ontario if it makes a difference.
I was also curious, whats the main difference between the basic dock and ultra dock. Is it worth it for me to get the ultra for work?
IBM/Lenovo laptops and desktops for a long time. I recently purchased a T440P laptop with a standard 7200 RPM HDD in it. In the past, with previus models, when I wanted to troubleshoot the current Windows install (virus infections etc) I would use UBCD4WIN on a USB stick to boot the computer to USB and access the hard drive to pull data off or remove files infections etc. With this new T440P I cannot seem to see the hard drive when I boot it up with the USB stick.
I can boot the computer just fine and run the USB based OS without trouble but I simply cannot see the hard drive.
So far I have tried: -Adjusting UEFI to Legacy and/or "Both" -Adjusted CSM to Yes and No -Disabled/Enabled Secure Boot
and several combinations of all of the above in hopes it was the issue but it doesn't seem to change my ability to see the hard drive. It simply doesn't show up.
The drive itself (in the T440P) is a standard HDD (not SSD) and is formatted NTFS with Windows 7 64bit installed on it.. The UBCD4WIN is a basic "Windows XP" x86 (32 bit) OS on a USB stick and the USB stick is formatted FAT32.
In previous lenovo models (T400/T410 etc) all I had to do was switch AHCI to Compatibility and I could see the drive but this one is giving me a real fit and I am not exactly sure if its a controller driver, UEFI or something else.
how to see the hard drive when booting to the USB UBCD4WIN stick?
Is it possible to use two external monitors with my T440p (20AW-A08500) with Intel HD Graphics withou having to buy a dock? I normally use my laptop at home with the lid shut and two monitors attached.
I used to have X1 (still do - now up for sale) and that was happily connected to two monitors via HDMI and via a MiniDP to DVI adaptor.I wrongly assume when I bought the T440p that I would be able to somehow power my existing two monitors from the single MiniDP port.I have seen their is a Lenovo DisplayPort to DualDisplayPort adaptor - but this talks about ThinkCentre usage - no mention of Thinkpads. Plus the price of this adaptor is pretty steep.
I tried to do fn + f7 to toggle display modes as I want only laptop or monitor display, not both. But when I do fn + f7, the small window pop up ask me if I want to turn on caret browsing or not. How to toggle display modes between laptop or monitor for t440p, window 8.1?
I upgraded to 8.1, everything went smoothly, installed the drivers from lenovo update and windows update. At random times, typically when I play flash content or use metro apps, explorer.exe crashes, windows try to restart it and it goes an infinite loop with flashing screen. I can stop it only by cold reboot, which leads to work loss.
The event viewer showed ntdll.dll related error in explorer.exe and iexplorer.exe, and after contacting microsoft support, they checked my dump files and we found that it was nvidia driver related problem specifically :
I installed versions 320.92, 326.19, 327.23 and none of them work.
If I try to install the latest lenovo windows 8 version of the driver, i get black screen after the windows boot screen.
So I am in a situation that nvidia support tells me to contact lenovo, lenovo support told me that despite this windows 8.1 compatibility list [URL] , they do not support windows 8.1, and I should contact Microsoft, and of course Microsoft tells me that they are not in charge of developing graphic drivers (true).
I cannot work on my laptop since it is crashing every 30 minutes or so, and I don't want to rollback to windows 7. What should I do?
First is while I'm docked in at work I use a normal key board and it has a right click botton on it. When I go home I do not have that button and know for previous models there is a short cut that you can do to "right click" rather than going to the track pad and right clicking.
Second is for the F1, F2, F3, etc... to work I have to hold down the Fn button. Is there a way to turn around the keys to where when I hold down the Fn key and press F1 it actually mutes the sound. I guess im trying to say is there a way to switch the primary function of the F row?
After updating to the latest video drivers from the ThinkVantage Update Retriever, our Lync clients crash when sharing desktop on our T440P series and X240 series. I noticed when I uninstall the video driver I am able to screen share without incident. Also, if I update the driver from Windows Update I am able to share successfully. We use the update retriever and thininstaller to install our drivers in our environment. I have tried uninstalling the Lync updates all the way down to the base version and experience the same issue at every level. It crashes 100% of the time when sharing desktop. I have tested it on T440p machines in our environment that do not have the latest display driver, and no crashes occurred. Here are the specifics:
Thinkpad X240 [20AL] Thinkpad T440p [20AN] ThinkVantage Update Retriever 5.00.0007 Thinkvantage Thin Installer 1.2.0010 Intel HD Graphics Driver - gid634ww (10.18.10.3412) Microsoft Lync 2013 SP1 32 Bit (15.0.4569.1503)
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.
Imaged with preconfigured company Windows 7 x64 image I have used hundreds of times before via MDT. WDS packaged T440p drivers (downloaded from Lenovo website) are injected as part of the MDT installation process.
All windows updates applied (except for the Lenovo PM Device Driver otherwise the thing no longer reboots or shuts down properly anymore) BIOS flashed to latest T440p revision.
Run Lenovo System Update to install hotkey drivers and receive the following:
As you can see Win7 x64... driver says no.
Restarted and tried again... error.
Tried downloading the driver manually from [URL] .... Same error.
Searched for and downloaded version 5.40 .... Same error.
I ran Lenovo System Update 2 days ago on another T440p laptop, may have been a slightly different internal spec... not sure but I'm fairly sure the driver was named differently in System Update. The driver Installed on that machine fine and functions as intended.
The driver could very well could have been updated since then I guess. I do also know this is a newer batch of T440p's as the box configuration that it ships in has changed and looks completely different.
New ThinkPad T440p and the first issue I encountered is there is no option to disable the touchpad when an external mouse is detected. I don't want to do it via the bios or some other hack as I use the touchpad when it is not convenient to use an external mouse. So it should be able to do the switching as needed, this is a simple feature that other manufacturers have had for years and years.
I already upgrade the UltraNav Driver to the latest v184.108.40.206 and that didn’t present a solution. I am running Windows 7 SP1 - 64bit.
My T440p slightly adjusts the screen brightness depending on what is being displayed. For example, on Chrome, one page might have more images, so the screen slightly adjusts brighter or darker. Another page it might slightly adjust again. And it does it when scrolling down a page as well. It is distracting, and I want to disable it? I'm on windows 7.
We have 2 new T440p (i7 4800MQ, 16gb, ssd) which we installed with clean Win 8.1 and the newest drivers (intel hd 10.18.10.3345, nvidia 220.127.116.1182).
The laptops run on 4 ultra docks with different monitor configurations, mostly dual display, one single display, mostly samsung displays, always one display via dvi, second displays vga as we did not receive our display-port adapters yet).
In all configurations we have the same problem: Between every few seconds and about 20 minutes the external screens flicker and get rediscovered. Often this happens in Chrome or when doing some graphic-intensive stuff, but we cannot trace it down. Takes a few seconds to rediscover and all windows not in fullscreen are resized afterwards, because of display resolution detection and mostly we get the Display port new topology notification... We already tried with disabling the nvidia via the nvidia gpu settings and only using hd graphics but that didn't work.
A few years ago I had problems with my T400 discrete grafics, but then I could disable it in the BIOS which does not seem to be possible with the T440p...
This doesn't always happen, but I've noticed a few times on my T440p that when I have headphones plugged in, sounds comes out of the speakers. The headphones are functional and fully plugged in, yet no sound comes out of them, and the sound comes out of the speakers. I've fixed this multiple times by unplugging the headphones and plugging them back in.
(My problem differs from this one, where sounds comes from both the headphones and speakers)....
This is a brand new TP T440p and I installed a fresh copy of Windows 8.1 Pro on it (licenced). I've applied all Windows updates and installed all drivers/BIOS updates from Lenovo System Update.
The computer works fine, but when I put it to sleep and wake it back up, the external monitor is almost always flickering (there is a 1mm movement to left and right, line by line - I'll shoot a video, if the camera will be able to capture the movement, because it's very "fine"). Sometimes it stops after a few minutes, but most of the time I need to re-boot the computer.
Also, not always, but many times the WiFi connection is lost and I can't reconnect unless I reboot the computer.
On may 2014 i bought a lenovo thinkpad t440p from amazon. Recently the screen make some white stripes if you press lightly on the borders or if you move the screen.
I dont know how to proceed to check it ( the computer is still on warranty from lenovo )... Also the computer showed me a warning message on harddisk SMART short self test when i run the hardware test.