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Windows 7: Acer Laptop: Switchable Graphics using i7 & AMD Radeon

03 Jul 2012   #261

Windows 7 Home 64

Quote   Quote: Originally Posted by joooeeel View Post
Hi guys,

I have an Acer Aspire 7750g with an AMD Radeon HD 7670M card and had the same problem with the switchable graphics. I found a solution on another forum.

What I did was to download and install a modded bios from Bios Mods Tools; - []
Insyde -> A_A_7750_P5WE0117_UlkMenus_ByCamiloml.exe

Go into BIOS -> Advanced -> Video Configuration -> Pci Express Graphic -> Always Enable PEG [Enabled]

Go into BIOS -> Advanced -> Video Configuration -> Pci Express Graphic -> PowerXpress Setting [Muxed Fixed Scheme]


Now I can select which display card I want to use in Catalyst Control center -> Start -> Power -> Switchable Graphics

Hey guys i just want to warn the ones of you with

Acer Aspire 7750g and a HD 6850m (only!)

Biosflash works great but u should be carefull with the settings u make.

DONT ENABLE switchable graphics or the onboard graphics chip

i and several other people did this and the notebook keeps rebooting with a black screen you can't enter the bios or windows.
A insyde bios recovery in crisis mode( fn+esc ) was impossible .. i don't know if it has to do with the bios or not maybe acer just don't want us to be able to recover the bios.

So just be aware and don't make the same mistake like me.
Happy day to you all

My System SpecsSystem Spec
04 Jul 2012   #262

windows 7 64

Hello i hav the same problem with the switchable graphics i hav acer 7750g-6662 i downloaded the modded bios. But how do u enter the bios to make the changes im not so good with computers
My System SpecsSystem Spec
04 Jul 2012   #263

windows 7 64

Hi Ok i went into the bios and changed all the settings as described before. I am now able to manually set which graphics card to use in ccc. Shogun 2 use to read only the intel card but now it reads the radeon one but the video memory hasnt changed it still says 535mb that was with intel. My 6650m radeon has 2gb vram and im still not able to play on ultra does anyone hav any suggestions?
My System SpecsSystem Spec

04 Jul 2012   #264

windows 7 64

I FIXED THE ISSUE NOW ABLE TO PLAY ULTRA!! To the person who made the modded bios we owe him everything special thanks to him
My System SpecsSystem Spec
06 Jul 2012   #265

Win7 Ult x64

What do you play Ultra on? Most games like BF3/SkyRim I play on High..def not Ultra lol
My System SpecsSystem Spec
06 Jul 2012   #266

windows 7 64

I only play total war games on PC dont really like first person shooters and 3rd person shooters any more got boring for me use to play it on PS3. What version of the acer do u hav? Whats your processor and graphics card?
My System SpecsSystem Spec
02 Aug 2012   #267

Windows 7 Home Premium 64 bit

Also i noticed even on high end demanding games both cards are still in use o_O
I mean Radeon is called and i saw a 39% max gpu load, but the integrated one is also used o_O,
no wonder Radeon max heat was 50C so far o_O cause both cards being used o_O;

I noticed no lags on Dynasty Warriors 7 on cpu 98% wich also demands good graphic card,
so wont bother risking using a moded bios or anything else that can help kill this stupid Acer laptop lol...
My 1st experience with faulty satelite toshiba laptops was enough,
now i get this ridiculous switchable graphic thing lol... *facepalm*
My System SpecsSystem Spec
02 Aug 2012   #268

windows 7 64

The modded bios actually works very good. It just has one minor issue where u have to adjust the brightness manually by going to control panel u cant adjust it on the keyboard. U really only need the modded bios when the game ur trying to play doesn't recognize the radeon graphics just the intel which is y i downloaded the bios so i could manually switch my graphics so the game would read the right graphics card and not limit my graphics options like shogun 2 did.
My System SpecsSystem Spec
08 Aug 2012   #269

Windows 7 Professional x64
Dual Monitors Problem

Hi guys, I've read this entire thread, thanks to everyone for all the advice and help. I just ran into a problem though.

I have an Acer Aspire 7750G-6662 and am using the modified BIOS recommended earlier in this thread. I configured the BIOS with the recommended two settings. Everything has been great the last couple of weeks. But today, I plugged in my second HDMI monitor. Instant freeze at boot up right at the "ASUS" splash. Any ideas how to fix?
My System SpecsSystem Spec
18 Aug 2012   #270

Windows 7 Home Premium 64bit.

I have aspire 7750G-9807 and of course I can't switch between ATI/Intel graphic cards.
I installed modded bios but I can't find "PowerXpress Setting" option =(
i changed "Always Enable PEG" to enable - but it doesn't helped.

Can anyone help me ?
My System SpecsSystem Spec

 Acer Laptop: Switchable Graphics using i7 & AMD Radeon

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