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Acer Extensa 4420, Windows 7 problems

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December 4, 2009 11:37:07 PM

I have an acer extensa 4420 that I recently upgraded from vista to windows 7 64 bit. I am having two problems.

#1 Hibernate does not work anymore, it will go into hibernate, but will crash coming out of it. Acer does not seem to have any drivers that would help this issue. I've seen others people with it on other sites, but no solutions. I have it disabled now which works good as long as the battery doesn't run out (automatic hibernation)

#2 The microphone does not work. I downloaded the driver from acer support (realtek), but when I install it the comptuer starts getting a blue screen (RDR_File_System problem). It of course stops as soon as I uninstall the driver.

Not sure what info you might need, but here is some:
-Athlon 64 X2 TK-57 1900 MHz
-2 GB DDR2-667
-Chipset: AMD M690, AMD Hammer
-Realtek ALC268 @ ATI SB600 High Def Audio Controller
-ATI Radeon X1200 Series (256MB)
a b \ Driver
a c 215 $ Windows 7
December 5, 2009 12:40:47 AM

All you can really do here is wait for Acer to provide updated drivers...
December 6, 2009 3:43:00 AM

Yeah...that's what I figured. They have horrible support if you are out of warranty. They won't even acknowledge that you exist...so trying to tell them their driver does not work is difficult :( 

Thanks.
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December 15, 2009 11:35:29 PM

I have talked to some people who upgraded to the 32 bit version of professional w/ no problems. I was wondering if anybody else has had success with that. I figured maybe they have more compatible drivers?
December 29, 2009 2:22:30 PM

I have the same laptop and also moved to Windows 7 Pro x86-64. I haven't encountered any of the problems you've experienced. I did have some audio card issues but the latest set of Realtek drivers fixed that.

Did you do a clean install of the OS?
December 29, 2009 2:29:01 PM

Here is a list of the drivers and their versions I have installed:
ATI Catalyst v9.2 (Video) - Last one that supports the Radeon x1250
Broadcom BCM43xx v5.30.21.0 (Wireless)
Foxconn Agere Modem v2.2.95.0 (Modem)
LaunchManager v2.0.15
Marvell Yukon LAN v10.12.8.3 x86-64 (Wired)
O2Micro Card Reader v3.25 (SD Card)
Realtek ALC268 vR235 (Audio)
Synaptics Touchpad v14.0.1.1

I had to do some pretty extensive searching for the hardware drivers since Acer doesn't have the latest drivers for Windows 7, especially the 64 bit version
February 3, 2010 4:07:57 AM

I have the same laptop you do, the 4420, the hibernate issue I've had it, and I tracked it down to the O2Micro drivers for the card readers, they don't like changing their power state for one, and two I get blue screens and debugfiles that point to the o2sdx64.sys driver for the SD card reader. It faults when "A device object has been blocking an Irp for too long a time" thats the error message I'm getting from the debug app. I have tried all the versions of the driver I can find, to make matters worse O2Micro does not host any drivers on their web site, it's been a coming soon section for over a year now.
August 18, 2010 5:34:36 AM

Windows7 comes with a built-in windows and driver updates..uninstall all the driver you recently add and just simply update your system...if you cant figure it out you can reached me @Removed ;) 
a b \ Driver
a b $ Windows 7
August 18, 2010 2:04:17 PM

This topic has been closed by Mousemonkey
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