Trillion Web Camera Driver
I thought I was the only one with this issue. After receiving my x220t, I immediately cloned the stock drive onto my C300 SSD. Applied all Microsoft updates, and then all Lenovo updates. Didn't check webcam immediately after this, but since then I've experienced the exact same symptoms.
I've uninstalled and reinstalled the webcam drivers several times (both using just Microsoft generic drivers, and then also with Lenovo supplied drivers). No luck.HOWEVER.
I can confirm that the webcam is not broken, because if I put the stock Lenovo drive back in (with no updates and whatnot applied), then the webcam works.This points to some kind of driver conflict. No real steps.I have 2 drives. C300 128GB SSD and the stock 320GB HDD that shipped with the laptop.After receiving the laptop, I turned it on, installed office (during the guided setup). Installed chrome, Trillian, and Acronis True Image. After that, I imaged the entire drive onto the SSD.
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(Rationale for this was I wanted to keep the original drive as clean as possible, as I was planning on mucking around with settings and etc, and wanted to have a clean image to revert back to.)After imaging, I put the C300 into my laptop and went and installed all the necessary windows updates. After that I went and used the Lenovo utility to install all Lenovo patches/updates. Been using it day in and day out, some time after this. I tried to test the webcam, only to have my system completely hang. Wasn't sure what the cause was. Forced a reboot (powerbutton hold) and then tried again.
This time I guessed it was the webcam that was causing the lockup. Uninstalled the drivers (with the delete drivers from system option via device manager). Rebooted and let Windows detect the Webcam and try to install drivers. The installed drivers didn't work. Downloaded the appropriate driver for the webcam from the Lenovo website and installed it (after removing the windows drivers) and rebooted. Same problem.
It would cause whatever application that was trying to access the webcam to completely lock up and caused system instability (half the time the entire system froze, othertimes only the application hung). Most of the times, I tried to access the webcam using the Fn-F6 option. Hitting Fn-F6 would cause my system to freeze as the application popped up. After a while, it would unfreeze and say something along the lines of 'The device is in use at the moment' (despite the green webcam LED being off). Poked around a bit more.
Lenovo Web Camera Driver
Not sure what I did but now I'm getting 'Driver problem on: 'Integrated Camera' from the Lenovo Toolbox diagnostics. Reinstalling the driver using the link provided does absolutely nothing.I recalled that I had successfully started up the webcam at one time before. So I removed my SSD and put the original 320 HDD back in. Booted the system up and no problems. Put SSD back in, same problem. Put original HDD back in, again no problems.This doesn't seem like a loose connector or whatnot.
Looks like some update/patch in either Windows Update or Lenovo Update borked the driver for the webcam and is causing it to spazz out.//Edit:So I actually had the 320GB factory shipped HDD running for a while today (I was burning recovery CDs as my USB DVD burner arrived in the mail today). During the incredibly long time it took to burn the disks, Windows apparently went and downloaded all the updates and installed them when I rebooted the machine.
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After powering the machine on with all the latest windows updates, the webcam still works.The working install does NOT have any Lenovo updates. This is somewhat indicative of some Lenovo update/patch borking the webcam driver.