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I have installed latest beta drivers of AMD 6770M on my windows 8.My laptop is also having a on board low performane Intel graphic card.The laptop offers feature called switchable graphics which allows you to select the low performance or high performane amd graphic card manually.However after upgrading to windows 8 and installing the drivers the switchable graphics feature is not being supported.How can I resolve the above issue?

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What are switchable graphics? – Tanner Nov 2 '12 at 18:25
hybrid graphics like nvidia optimus – kobaltz Nov 2 '12 at 18:33
Is your on-processor graphics from the HD4000 or older generation? If so, it likely doesn't work on Windows 8 because AMD stopped supporting HD4000 era graphics. – allquixotic Nov 2 '12 at 18:45
I'm pretty sure his card is still supported by AMD... – Shiki Nov 2 '12 at 19:04
The 6770 is, but some systems sell with Radeon 4000 series on the CPU die (APU) and 6000 series on the discrete. The 4000 series in this case would be unsupported. – allquixotic Nov 2 '12 at 20:11
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closed as not a real question by 8088, ChrisF, Luke, soandos, Simon Sheehan Nov 4 '12 at 12:40

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, see the FAQ.

4 Answers

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*update*I have just installed unified drivers provided by leshcatlabs.net.The drivers are working pretty good.Now my windows 8 pc is showing options for switchable graphics.To install the drivers just follow the following steps. 1.Uninstall all the AMD and Intel drivers by selecting device manager from control panel.

2.Download the latest leshlabs drivers from http://leshcatlabs.net/

3.Follow the steps mentioned in their manaul.

4.Reboot

Voila!The system will with switchable graphics options.

switchable graphics

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I would not download a driver that isn't direct from the manufacturer.. – Simon Sheehan Nov 4 '12 at 12:41
yes you are right but this was the only solution I found.Yes I am looking for drivers for windows 8 from my vendor. – ankit689 Nov 4 '12 at 12:43
AMD has them on their site. – Simon Sheehan Nov 6 '12 at 0:27
However, when I click Configure Switchable Graphics nothing happens :/ – simPod Jan 1 at 1:37
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Have you installed the latest Catalyst for your GPU?
64 bit driver
32 bit driver

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AMD driver download page states that drivers downloaded from it, the generic drives, may be incompatible with switchable graphics. You you should get the drivers from the laptop manufacture's site.

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Here's a thread addressing the problem, solutions include instaling Windows 7 drivers using Windows 8 Compatibility Mode, installing third party drivers such as leshcat or forcing one the cards on/off in the BIOS(but you seem to want both working).

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