07-15-2011 02:35 AM
07-15-2011 04:39 AM
JameZ wrote:
@All,
Engineering will be releasing a tip on this phenomenon. Will post once it is up on the support site.
//JameZ
Uh-oh, somehow I think there's going to be a food fight.
Any comments on @JNavas who says he/she has an IPS X220 that doesn't present ghosting artifacts? I thought all the X220 IPS displays were expected to be similar regarding this behavior.
07-15-2011 06:30 AM
@Jamez
I hope this "tip" you are speaking of isn't another way you and Lenovo are still trying to pretend that your faulty IPS screens are not broken!
Do the right thing and fix your faulty screens. If not, you are going to have hundreds of very angry customers who may never buy from Lenovo again. If you officially claim that your faulty ghosting IPS screen is "normal", then you are officially claiming that you tricked your customers into buying an IPS screen that you originally knew was not working properly.
I hope Lenovo proves that they still care about making their customers happy. If not, this coverup could end up backfiring for you, or possibly even leading to a lawsuit.
07-15-2011 08:59 AM - edited 07-15-2011 09:00 AM
I have received mine today
I have bleeding at the bottom at max brightness but this is minor and acceptable (for a edge led display).
With 10 brigtness, it is invisible
I haven't noticed any ghosting after a few hours of trying it but i haven't searched for it
I must be lucky. (I have the high pitched fan however)
07-15-2011 09:19 AM
Crmb wrote:I have bleeding at the bottom at max brightness but this is minor and acceptable (for a edge led display).
With 10 brigtness, it is invisible
I've posted previously about my experience with light bleed at the bottom. It was very bad when I first received my X220 (worse than the photos at the start of this thread), but it steadily diminished and was virtually gone after a couple of weeks.
07-17-2011 06:37 AM
I have the same problem with my machine, which is less than two weeks old. The ghosting effect is evident even on a light blue background with the brightness set as low as 10.
I would like to know whether the ghosting problem is pervasive with respect to the brand of display Lenovo chose to install on its X220s, or whether it is an issue of a bad batch that a replacement would resolve.
I also have a moderate light-bleed issue, but it is noticeable only with a dark background in a dark room.
07-19-2011 06:58 AM
Hi, for anyone interested, the image persistence ("ghosting") problem with these Lenovo IPS screens is currently being posted about in several places on the net, including Youtube, CNet, and the link below. It looks as if more and more people are getting angry that Lenovo won't officially acknowledge this flaw.
http://forum.tabletpcreview.com/lenovo-ibm/41482-x
The common consensus from the moderator at Tablepcreview is that Lenovo chose to place low end IPS screens into this laptop. He mentions having worked with several IPS screens before that did not exhibit this faulty screen problem. I'm not a PC expert, so I can't verify that what he's saying is true.
Lenovo used to be known for good customer service and good quality products. I'm sure that they don't want to lose many customers by giving them a broken IPS screen, then refusing to fix it.
Anyhow, in the worst case scenario, if Lenovo really does refuse to fix these faulty screens, we could all send in our laptops for "repair" once every six months to have a new screen put on them in hopes that they finally get a working batch. I have two x220t's and a 3 year warranty on each, so that will be 12 screen changes I'll ask for. (I wonder if it would be less expensive for Lenovo to just fix the screen at this time?)
Has anyone else considered re-sending your laptop in for repair in hopes that the screen will be fixed by then?
07-19-2011 07:01 AM
Does this ghosting and bleeding als occur when the laptop is connected with another screen?
07-19-2011 07:43 AM
Of course not.
07-19-2011 09:58 AM - edited 07-19-2011 10:09 AM
Evidently there is no fix for this hardware problem except lowering the overdrive level (if used, but it requires to replace the damaged panel anyway). On the other hand LG is biggest producer of IPS panels but the quality does not have the best reputation. For example Eizo uses Hitachi panels in their top models which is extremely expensive of course.
Regardless of it, image persistence occuring in 15 minutes on a new panel is hardware fault (of the panel or the driver electronics) without any doubts. And again, I have never noticed such problem on my seven years old IPS panel made by IDTech. Also I can't remember that so many people would complain about Boe-Hydis AFFS panels used in old ThinkPads nor the last batch of IPS panels in T60 made by LG-Philips.
It sad that X201 with (good old CCFL backlight) Boe-Hydis AFFS screen mod is still the winner
and you get 800 vertical pixels as bonus.