I am using acer v5-431(DOS). when i am installing windows8 pro it gives error and fail to install.but same w8 cd we are successfully install on acer aspire 4762 (DOS) without any error. pls help me why am unable to install w8 on acer v5-431.
I am having the same problem with my AspireV5-4311 notebook....i am unable to install windows 8 in it...after installation gives an error "IRQL_NOT_LESS_OR_EQUAL". Also i tried to update BIOS but it said the same thing that u cannot update to 2.XX version. please help...
01-27-201303:33 PM - last edited on 01-27-201305:20 PM by Phil-3
I can confirm that anisin84's solution described here http://community.acer.com/t5/Acer-Notebooks-Netbooks/Cannot-Install-windows-8-on-Brand-newAO-725/m-p... solves the problem. The error is caused by an incompatibility of the Atheros Wifi card installed in the affected Acer models with the default driver that comes with Windows 8. Removing the card during install, updating the Atheros W-Lan driver via a download from another computer once Windows 8 is running, then replacing the card and rebooting twice is the fix.
[edited to comply with guidelines]
Note, however, that opening your device may void your warranty. Make sure you know what you are doing!
I have an acer 45-431 with preloaded windows 8, my laptop, suddenly, sutsdown and restart over and over again.. after that i decided to change the hard drive, i made a fresh install of windows 8 professional, but after installation, i got te error, IRLQ_NOT_LESS_OR_EQUAL, i cant even go to safe mode?
for clean installing w8, download these w8 driver from acer site In my case this were AHCI and wifi drivers. and put these driver in inside pc(except c drive) or pendrive in a folder name as drivers. At the booting time of windows 8 we see all drive of pc where to install os. on that place option is 'load driver' now load thesr driver 1st and now install windows 8.
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