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w500 switchable graphics. How to disable altogether

W500/510/520 and W700/710 series specific matters only
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westsailor
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Posts: 120
Joined: Tue Jul 04, 2006 12:36 pm
Location: Rio Dulce Guatemala

w500 switchable graphics. How to disable altogether

#1 Post by westsailor » Mon Dec 17, 2018 3:30 pm

I have a W500 that the ATI graphics card is apparently failing. It works for a short while then the display starts to 'pixelate'. Sometimes I get the message 'The ATI driver stopped working and recovered' and it works for a short time then begins to 'pixelate' again. . Most often it just ends up locking up the computer. Obviously the 1st thing I did was reinstall the driver. No joy and since the Mobile Intel chipset works fine I think it's the ATI card itself failing.

I'm perfectly happy using the Mobile Intel graphics. I just cannot figure out how to stop the W500 from wanting to default to the ATI card/switchable graphics. I've disabled the ATI card in device manager (not even listed now). I've set the bios from 'switchable' to 'internal' (other options are 'discrete & 'switchable') and it works fine but on the next boot it again defaults to 'switchable'. I've tried 'discrete' and it boots to a black screen. If I disable the O/S enabling switchable graphics in the bios it boots to a black screen. So when that happens I have to clear CMOS memory and I'm back where I started.

Right now the only I can use the W500 is change the bios from 'switchable' to 'internal' on every boot.

I thought I've tried every combo in the bios to default to the Intel Mobile graphics card but apparently I'm missing something.

Anyone have any suggestions how to 'kill' the ATI/switchable graphics once and for all?

MikalE
ThinkPadder
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Posts: 1017
Joined: Sun Sep 13, 2015 9:51 pm
Location: Marissa, Illinois

Re: w500 switchable graphics. How to disable altogether

#2 Post by MikalE » Mon Dec 17, 2018 3:42 pm

Have you looked in the ATI program and dis-associated all programs from the graphics card?
T500 T9600 2055-BE9
T510 i5 4384-DV7
T510 i7 4349-A64
T520 i7 4242-4UU(CTO)


T520: i7-2760QM(2.40GHz),16GB, 500GB SSD/250GB SSD, 1600x900, 1GB NVIDIA, DVDRW, Smartcard, media card, FPR, Win7 Pro64, XP Pro64 whitelist BIOS, N 6300 AGN, German KB, BT 4.0.

westsailor
Freshman Member
Posts: 120
Joined: Tue Jul 04, 2006 12:36 pm
Location: Rio Dulce Guatemala

Re: w500 switchable graphics. How to disable altogether

#3 Post by westsailor » Mon Dec 17, 2018 4:18 pm

I've uninstalled all ATI drivers, ATI Catalyst, disabled the card in Device Manager, etc. Nothing remains that I'm aware of to 'dis-associate'.

MikalE
ThinkPadder
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Posts: 1017
Joined: Sun Sep 13, 2015 9:51 pm
Location: Marissa, Illinois

Re: w500 switchable graphics. How to disable altogether

#4 Post by MikalE » Mon Dec 17, 2018 4:23 pm

Wish I could help.
T500 T9600 2055-BE9
T510 i5 4384-DV7
T510 i7 4349-A64
T520 i7 4242-4UU(CTO)


T520: i7-2760QM(2.40GHz),16GB, 500GB SSD/250GB SSD, 1600x900, 1GB NVIDIA, DVDRW, Smartcard, media card, FPR, Win7 Pro64, XP Pro64 whitelist BIOS, N 6300 AGN, German KB, BT 4.0.

Thinkpad4by3
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Posts: 2613
Joined: Sun Aug 09, 2015 9:25 am
Location: N. Bellmore, ny

Re: w500 switchable graphics. How to disable altogether

#5 Post by Thinkpad4by3 » Mon Dec 17, 2018 4:26 pm

If you take a screwdriver you can just rip the chip off the board? :lol:

Well it is an ATI chip not an nVIDIA so I guess that won't work. Plus if it was nVIDIA you could run FurMark and then lightly push it off the board :lol:
Thinkpad4by3's Law of the Universe.

The efficiency of two screens equally sized with equal numbers if pixels are equal. The time spent by a 4:3 user complaining about 16:9 is proportional to the inefficiency working with a 16:9 display, therefore the amount of useful work extracted is equal.

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