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Windows 7: install vista in preinstalled windows 7

21 Mar 2010   #1

window 7
install vista in preinstalled windows 7

i have preinstalled windows 7 68 bit on acer laptop.
i want to install vista as well but having problem during installation.
i have created extra partition and also change sata setting to ide in bios.
but doing so installion fails when it reaches around 80 percent showing code error
i want to use wireless adapter for net connection but my device only support windows 7 32 bit.

so plz anyone to help me

thank u

My System SpecsSystem Spec
21 Mar 2010   #2
Bare Foot Kid
Microsoft MVP

W 7 64-bit Ultimate

Hello piyashrija, welcome to Seven Forums!

I would leave the IDE/ACHI option set on what it is for the existing Windows 7 install and get Vista installed, then sort the issue, because if you have one OS at ACHI and the other OS at IDE then you'll have to change it in the BIOS whenever you boot from one to the other; first have a look at the 2 tutorials at the links below to get some ideas; be sure to post back to keep us informed.

Dual Boot Installation with Windows 7 and Vista

AHCI : Enable in Windows 7 / Vista
My System SpecsSystem Spec
21 Mar 2010   #3

Microsoft Community Contributor Award Recipient


My System SpecsSystem Spec

21 Mar 2010   #4


Consider reinstalling Win7 32 bit with the license key on the COA sticker on bottom of laptop. You are entitled to use either 32 or 64 bit with each license.

Check the Acer SUpport Downloads webpage for your model computer to make sure 32 bit drivers are available, although most all with be in installer or arrive quickly via Windows Update.

If you can borrow or find a 32 bit installer, we can help you unlock all versions if necessary so you can install your licensed version.
My System SpecsSystem Spec

 install vista in preinstalled windows 7

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