vikasnx89

Thank you Arbystrider...I will try the Nvidia fix and try the AMD card on an external monitor, Any reason why this happens with AMD cards ? and anyway I can fix so that it uses the internal LCD ??

hi Droofdd, i have the same laptop almost, I ACER 5750g I3 instead of i5 but no dGPU and my RAM is 2GB, however probem is mentioned : Win 8.1 pro installed.(formatted and clean installed after trying in W7 64bit since I got Code 12 error). EXP GDC V6 AMD R9 290 installed and i get no code 12(I got this in w7) in W8.1 Pro I have another GTX 460 which gets stuck(BSOD) (SYSTEM_SERVICE_EXCEPTION )while w8.1 login after installing drivers I get nvlddmkm .sys error but this card(R9 290) is not being used in any games nor does the AMD crimson settings is detecting the card. The drivers and everything installed properly, windows 8.1 boots and logins in properly but amd setting is not detecting anything. Also no ecode 12 error in W8.1 pro64bit it was only in W764bit Please help !

Hi I have a laptop with 2gb ram acer 5750G only integrated graphics, Win 8.1 pro installed. AMD R9 290 installed and i get no code 12(I got this in w7) but this card is not being used in any games nor does the AMD crimson settings is detecting the card. The drivers and everything installed properly but amd setting is not detecting anything.

Hi all, i have an Acer aspire 5755G laptop.with unlocked bios., gtx 460 and exp gdc v8 mPcie and 450W corsair smps... When i connect the exp gdc the laptop freezes until i disconnect and there is a blue light instead of red light. i disabled dgpu and also disabled uefi...yet no success. Please help. ty.