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4 Posts

10-07-2008

Canada

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W500 ATI graphics screen corruption

2008-10-07, 22:05 PM

I've only had my W500 for about 2 weeks, and i notice when ever i use the ATI graphics chip , i get screen corruption in the form of green pixelation bordering the screen right from the 2nd or 3rd day of use. The color will change to red when i pick up the laptop, and flashes on and off when i move the laptop around. This cannot be normal: the screen displays fine when using the integrated Intel graphics chip, but once i switch to ATI chip, i get the green pixelation corrution on the borders of the screen???? Is the ATI chip loose or over heating ( i don't know, but it does that whether its idling, with no programs running or not )

 

I don't know if my default 1 yr. warrentee covers this

 

image attatched .... hopefully not too dim to tell

http://i34.tinypic.com/15872wn.jpg

 

Supersized

http://i33.tinypic.com/1yn0j7.jpg
Message Edited by superdude32 on 10-07-2008 06:11 PM
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4096 Posts

01-05-2008

DE

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Re: W500 ATI graphics screen corruption

2008-10-08, 4:49 AM

Hello,

 

the fact the display distortion occurs only when moving, regards to a hardware defect.

To clarify this you can use a Knoppix Live CD, boot with it and check if the screen distortion is noticeable from there.

 

I would suggest to call support line and tell them about your experience.

 

Kind regards

Andreas

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4 Posts

10-07-2008

Canada

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Re: W500 ATI graphics screen corruption

2008-10-09, 2:35 AM

I did as you suggested, Agotthelf ; got Live CD " KNOPPIX" and booted from it ( making sure in BIOS it was set to DISCRETE graphics to make the ATI chip the default GPU and disabled OS controlled switchable graphics before bootinf from LIVE CD ). What showed up was a low res KNOPPIX linux GUI (1024x res ). I wasn't sure what i was suppose to do after that....so i just fooled around with the OS for a while. I did not see any flashing pixelated distortions after half an hr. so i just restarted the W500.
 

When it booted back to Windows Vista Busi. 64, the res was same low 1024x as in KNOPPIX and an  info bubble  near digital clock displayed " Intel integrated Graphics" chip was being used, while ATI catalyst control center was informing me it wants to install itself???? even though BIOS was set to discrete grapics & OS controlled switchable graphics was disabled....now i'm thinking its highly likely the KNOPPIX was using the integrated Intel graphics instead of the ATI GPU. I'm not well versed in Linux and only found the display resolution in KNOPPIX to change, and did not find where it would display the GPU being used at the moment....so back to sqr. 1.

i guess its time to call Lenovo Support : oooo, i can't wait to wait for hrs to get some support....

thanks for your help, Agotthelf

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Re: W500 ATI graphics screen corruption

2008-10-09, 6:40 AM

Hello Superdude32,

 

please install Lenovo Tool Box and let it check your hardware.

 

Regards

Andreas

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32 Posts

08-28-2008

North Carolina

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Re: W500 ATI graphics screen corruption

2008-10-09, 17:22 PM

If you see ANY issues when you physically move the comptuer it is 99% of the time a hardware issue.  Could be a faulty chip, a stressed motherboard, or some bad solder...

 

 

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10-07-2008

Canada

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  • Message 6 of 6

Re: W500 ATI graphics screen corruption

2008-10-09, 20:13 PM

I did what u suggested, Agotthelf. I ran the PC Doctor 5 software and did all the tests and passed, then i installed the Lenovo Tool Box and ran all the hardware tests too: all tests passed, while in ATI GPU mode. even though the tests were running while the green pixelated graphics corruption was present on the screen.

http://i34.tinypic.com/25ztaad.jpg

i guess its time to try Lenovo support ? it is frustrating, since it graphics work fine under Intel integrated GPU, but its all messed up under ATI graphics GPU. If i wanted a integrated graphics laptop, i would have opted for a cheaper model built....

thanks for your interest and your help in my problem, guys...

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