05-02-2012 12:26 AM - edited 05-02-2012 05:22 AM
any news about this issue?
I have a Toshiba C660D (same E350 / HD 6310), which suffers from the same issue. It is very random, and I failed to reproduce it. Some users around the internet reported good results with the latest Catalyst (or "Amd Vision Engine Control Centre") drivers (latest at the time being v12.4). Can anyone confirm this?
Also, does anyone know how to reproduce this? I tried to set the core/mem speeds, but they seem to be locked (RivaTuner, MSI Overdrive, etc. couldn't change the values), thus I also couldn't fix the values (which may be a solution as pointed out by some people). Turning on/off Powerplay doesn't change much, according to GPU-Z the values still change between high and low, although the high/low values are different depending on Powerplay being on/off.
05-02-2012 01:01 AM
Hey Svega and all. Here is an update for my post on 4/11/12. Since installing that AMD update/replacement for Catalyst Control Centre as I detailed I have not experienced the flicker
Also I keep my Windows 7 (64 bit) fully up to date with Microsoft updates, so maybe this helped too. Nick
05-02-2012 09:04 AM
Thanks Nick, much appreciated
What I'm worried about is what Aquablue25 posted. He said that turning off PowerPlay and installing the newest drivers didn't entirely solve the issue in his case. Since I'm unable to reproduce the issue, and also it's very random (sometimes it doesn't appear for a week or so), I can't be sure what to expect. All I can do is install the newest drivers and keep looking for the issue long-term..
05-02-2012 09:26 AM
Since updating my drivers last December (via the option within the Catalyst Control Center--the update wasn't available via Lenovo System Update), I've never had the flickering problem recur.
05-05-2012 12:41 PM
07-17-2013 12:47 PM
I'm having this same issue with the flickering lines. My x120e is currently at Lenovo in Atlanta trying to reproduce the problem, so I can't try all these steps. One thing I noticed is that it tends to happen less (or not at all?) when I put the original hard drive back in it. I've been using an Intel 520 SSD. Could that be a common theme here? Is anybody having this issue with the stock drive?
07-17-2013 01:43 PM
I went through a couple of different drives (not because of the display issue)--didn't make any difference. I never got anywhere trying to get Lenovo to recognize or fix the problem.
As I think I mentioned toward the beginning of this thread, what DID fix the problem for me--permanently and without any side effects--was installing AMD's own driver package. It replaces the Lenovo driver when you install it. If you later decide to uninstall it, the Lenovo driver--and flickering problem--comes back.
You can find the AMD package here. (The description at the top of the page says "for Windows Vista 64-bit"--but it's also for Windows 7/8--you can verify that by looking at the name on the install file or viewing the release notes.)
I've installed multiple releases of the AMD package over time and never had any problems with it. But, as always, to be safe I'd recommend backing up your hard drive before doing the install.