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22 Posts

06-09-2011

Russia

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  • Message 21 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-09, 8:23 AM

I have the same issue on my X220. Sometimes after sleep or hibernate brightness buttons do nothing. I try to reinstall GPU drivers as JameZ said, but it didn't help. The same problem was on my T500, but not so often as on X220 :( It's not so easy for programmer to close all projects and environment, reboot, and then open all again.

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3538 Posts

07-12-2010

Malaysia

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  • Message 22 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-09, 8:37 AM
@BofA,

Do you have any 3rd party RAMs installed or are you using Lenovo preload rams?

//JameZ
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22 Posts

06-09-2011

Russia

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  • Message 23 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-09, 12:09 PM

I have Crutial RAM installed in X220 in addition to Lenovo preload 4GB module.

 

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86 Posts

03-14-2011

Atlanta, GA

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  • Message 24 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-10, 3:55 AM

JameZ-

 

I tried your suggestion and it did not make any difference.  I have power button set to hibernate in PM just like RichardW.  I also have PM set to sleep when I close the lid and to hibernate after being alseep for 15 minutes.  I rarely use reboot or shutdown and my brightness keys do not work 50-60% of the time.  I really need a fix for this or I sadly need to return this laptop.  Since this problem seems to affect several Lenovo models, I do not believe it to be GPU driver related (different models use different GPU).

x220 | 4286-CTO | i5-2520M | 8Gb G.Skill | OCZ SSD
Win 7 Home Premium SP1 64bit
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3538 Posts

07-12-2010

Malaysia

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  • Message 25 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-10, 6:34 AM
@wyld,

For the X120e brightness issue one, engineering have narrowed it down to the GPU driver.

As for the X220, the fan issue thread is more than 20 pages however there are only 3 pages here. Also some X220 customers mentioned that their system are not having issues, therefore we would need to narrow down to the cause of this issue.

wyld, I understand you do not have the preload rams anymore. Therefore please wait a bit.

@BofA,

Could you try removing the additional Crucial ram and use Lenovo preload rams and see if it helps.

//JameZ
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22 Posts

06-09-2011

Russia

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  • Message 26 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-10, 10:32 AM

@JameZ,

I take Lenovo preload 4GB module from anoter X220 and put it instead of Crucial module. Now I have X220 with two 4GB  Lenovo rams and another X220 with Crucial ram only. I will keep you informed.

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86 Posts

03-14-2011

Atlanta, GA

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  • Message 27 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-10, 21:23 PM

JameZ-

 

I didn't think the GPU driver is the cause because in the x120e thread, users are saying the problem persists with the new driver.

 

It sounds like you are saying the x220 won't get as much attention because not as many people are complaining.  I would imagine Lenovo has sold many more x120e because of the price, slickdeal, and it has been our longer.  This doesn't make the problem any less important for the x220.  I bought an x120e and there were too many issues so I got rid of it and upgraded to the x220 thinking this more expensive model with completely different chipset would not have the same issues.  Now all the issues exist.  In these threads users are saying this same issue affects much much older units like T60 and x201 which makes me think the issue resides in Lenovo software, has been around a long time, and Lenovo has been unable to address it.

 

Regardless of the cause or reasons, I personally started this thread specifically for the x220 one month ago.  Disregarding all other information and the fact other users have reported the same issue on other models, I feel that one month is plenty of time for this to be investigated and resolved.  There are a lot of issues with these Lenovo units that I simple have not experienced with any other laptop manufacturer and I don't feel like adequate attention is being given by engineering.

x220 | 4286-CTO | i5-2520M | 8Gb G.Skill | OCZ SSD
Win 7 Home Premium SP1 64bit
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575 Posts

03-20-2011

Canada

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  • Message 28 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-10, 22:25 PM
wyld, I too had thoughts about upgrading to an x220 to avoid the issues i've had with the x120e. I thought it was the AMD platform, as I've never been a fan of their mobile products, but I decided to give it a try after a bunch of positive reviews which conveniently or thru not adequate testing did not mention any issues.
---------------------
| X220 i7-2620M | 12.5" HD IPS | Intel 180GB SSD | Crucial 480GB mSATA SSD | 8GB DDR3 | Intel 7260 AC |
| X260 i7-6600U | 12.5" FHD IPS | Samsung 860Pro 512GB SSD | 16GB DDR4 | Intel 8260 AC |
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3538 Posts

07-12-2010

Malaysia

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  • Message 29 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-13, 8:43 AM
@wyld,

Check back my suggestions on the X120e brightness thread. If it still does not work then I would need to escalate it again.

Also appreciate your patience on BofA's results on the RAM test so we are able to remove RAM as a possible cause of issue.

@HiVolt,

Please check back X120e thread on the brightness issue.

//JameZ
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86 Posts

03-14-2011

Atlanta, GA

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  • Message 30 of 93

Re: x220 Brightness Keys Fail after Hibernate

2011-06-13, 16:49 PM

Your previous suggestions did not work on my x120e and they do not work on my x220.

 

Is it so hard to admit this is a Lenovo issue that needs to be addressed with a software update?  What is the return procedure?  It sounds like Lenovo is just in a "wait for more people to complain" state and since this is my primary business laptop I need to find a more reliable brand.

x220 | 4286-CTO | i5-2520M | 8Gb G.Skill | OCZ SSD
Win 7 Home Premium SP1 64bit
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