Problem with Audio card in windows 7 in parallel desktop

Hi my friends
I was wondering if you help me
I have a macbook pro ( mid 2010 ) MC374
I installed windows 7 with Parallels Desktop but I haven't audio in windows 7
What do I do to repair that ?
thanks a lot

Try installing the Cirrus driver from the BootCamp 4.0.4326 download:
http://support.apple.com/kb/DL1636
BootCamp/Drivers/Cirrus
I read various things saying I should install the RealTek driver, but this didn't do me any good. Two seconds after running the CirrusAudio32.exe, my speakers came to life. Now Windows is dinging, chirping, and all that.
This is on a MacBook Air A1369.
-gjames

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Does anyone have a working solution to using IDT Sigmatel STAC 9205 Audio Codec in Windows XP. I have Dell Lat. D531, D630, D830 and XPS M1330 (the D531 and XPS came with VISTA pre-installed - we don't support, so I formatted and installed Windows XP). The problem is that I cannot, for the life of me, get the Sigmatel driver to install. Even on the machines that came with Windows XP (we routinely format the Dell OEM OS and replace with our volume license XP OS) the driver won't install. I even repaired the OS installation with the OEM (Dell) version and still the driver will. not. install..... This is a very recent problem and I have at least 15 laptops that I can't get the integrated sound card to work (when I go to install the driver the message is basically the component you are trying to install is not present on this system). I have been 'working' with Dell Tech Support (Gold and otherwise) to no avail. One tech sent a replacement hard drive imaged with a working driver -- however, she sent a VISTA imaged hard drive...I explained that we don't support VISTA prior to her sending the drive. One tech is having the motherboard replaced (today). I'll see how that goes. This driver is the kiss of death unless dell with supply a pc card as a replacement, I have tried everything I know to do and Dell Tech support knows to do. ANY HELP WOULD BE GREATLY APPRECIATED

Tony, some posters have reported that the XP drivers for the Vostro 1500 will work for the M1330.
Vostro 1500 XP downloads
However before installing any Sigmatel driver after an OS installation you should follow this order of driver installation:
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b. Next install the Intel Mobile Chipset driver 153997 (click the + sign next to Chipset). Restart.
c. Finally re-install the Sigmatel audio driver R158235 (click the + sign next to Audio).
Some v1500 users have reported that they had to "uninstall an unknown PCI device in Device manager first , then install the driver normally".
Rarely there will still be a problem with the installation at this point (in XP). In those cases follow this tip from forum member rpilT2005: check in the Device Manager for a "PCI Device" with a yellow question mark next to it, under the "System Devices" grouping. Hit 'update driver' on that one, and it should find the driver.
A previous poster was able to get his audio working by following the above instructions more or less He said that after installing the Chipset driver he next uninstalled the unknown PCI device. He let Windows look for a new driver but he said he had to point it to the folder with the driver. Then he wrote, "Xp still said that an error occurred and the device may not work properly, but it did work fine and I also don't have a yellow question mark..." I know this is confusing.
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[T410] discrete gfx - Problem with Video Card and Windows Aero -anyone using 4Gb memory modules?

[3/3/2010 Update]
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[Original Message]
Encountered strange behavoir of my T410.
I have a T410 with 256Mb of Video Memory and 1440x900 display, a T61 with 128Mb of Video Memory and 1400x1050 dsplay and external monitor HP w2338h with 1920x1080 resolution.
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Now If I do the same with my old Thinkpad T61, connect the same monitor using the same cable - I can open as many Visual Studio 2010 Beta 2 instances I like (tried 5) and nothing blinks and Aero stays enabled.
Actually I find ridiculous, a notebook with more VRAM cannot archive the same performance as notebooks with less.
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Log Name:      Application
Source:        Desktop Window Manager
Date:          2/4/2010 7:32:21 PM
Event ID:      9020
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:
Description:
The Desktop Window Manager has encountered a fatal error (0x8007000e)
Error 2/4/2010 7:32:21 PM Desktop Window Manager 9020 None
Solved!
Go to Solution.

mat3y wrote:
I have the same problem with T410 and aero disabled. I am not using VS and I get this error anyway.
The Desktop Window Manager has encountered a fatal error (0x8007000e).
This must be buggy drivers, on Lenovo download site is just the one and the only initial driver for T410 graphics card.
What software were you actively using when this error occured?
Thinkpad T500-2081 CTO | T9400 2.53GHz | 8 GB RAM | ATI HD3650 + Intel GM45 | 15.4" LED WXGA+ | Windows 8 | ATI Catalyst 13.1 (non-switchable)
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Problem with graphics cards in Windows 8.1

My problem is to down laod window 8.1 to day in my laptop how it can be and is it can be downlaod through net ?

Here is the document that explains all the preparation needed and steps to perform to update to Windows 8.1:
http://windows.microsoft.com/en-in/windows-8/update-from-windows-8-tutorial
I am an HP employee.
Regards,
Vidya
Make it easier for other people to find solutions, by marking my answer “Accept as Solution” if it solves your problem.
***Click on "Thumbs up" button to the bottom right side of my post to say thanks!***

Problem with audio shortcut buttons (windows 7), especially mute

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Just tried what you recommended, but still to no avail..
What's confusing me is the following;
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Graphics - Desktop performance for Windows Aero
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Hp pavilion 15-p00nx Problem with graphics cards in Windows 8.1

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Hello @MeZoOo
Welcome to the HP Forums.
It appears that your trying to play games on your notebook and would like it to run off the Nvidia graphics. I will try to assist with this.
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Ok,let's go...
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thank you for answering me. y have no pci card working, only usb 2.0 and sata devices. also, the MSI geforce 9600gt PExp 2.0 gpu. the only usb 2.0 devices which work, are the flash (pen) drives, keyboard and mouse. but no way that the WLAn adapter and TVcapture, both usb 2.0 work.i've tested them front side and rear side and is the same failure: if i use a pendrive, works ok. if i insert the wlan or the tv capture stop work as the 2.0 and a advertising window tell me to change to a 2.0 port, means the ports are working slower, at 1.1. i still have the other PC, built on the MSI K9N4-slif mobo, tested them and both devices work at perfection. i have 2 screenshots to show you:
this, is the device manager (sorry, in spanish but you understand that's about the nVIDIA EHCI USB 2.0 controller. the 2nd one seems to be more sensitive (works worth) then the first one. when the tvcapture begin work, then fails, i'm trying to update this controller, does it ok but then the devicemanager-window freeze. i must stroke the "enter" key to "accept" / finish the update. then, fails again:
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both drivers marked with purple colour!
i think i should update this Win XP drivers, but how? the usbport.inf file (C:\Windows\inf) don't change anything. i don't want to switch xp to vista, i'm happy whit it.
i'm thinking also on another possibility: could be an energy failure? some usb devices, like the big usb flash dives. 250-320gb, fail because the 5v/usb are receiving it's not enough. could be, but that means this mobo has no solution and i'll loose my money.
thank you very much and i'll stay alert of your suggestions. by

Problem with Audio on HP Envy 6-1130sw (C6F62EA)

Hello everyone.
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Hi piotrek1130sw,
From what you have described, I think the best approach would be to restore the original IDT driver, restart the computer, test that driver, then install the driver update, and test the outcome of installing the newest driver.
Use the following link for instructions to recovery the ITD driver using Recovery Manager. Restoring applications and drivers.
Once the driver is restored, restart the computer and test the audio. If the audio is good you can continue to use this driver, or you can reinstall the update and see what happens. IDT High-Definition (HD) Audio Driver.
If installing the newest driver causes the issue to occur but the recovered driver worked, I suggest recovering again.
If neither driver works I will gladly follow up and provide any assistance I can.
Please let me know the outcome.
Please click the Thumbs up icon below to thank me for responding.
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Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Sunshyn2005 - I work on behalf of HP

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This sounds interesting.
Can you post a copy for the rest of us to see?
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