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I keep losing sound on my laptop

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I have an Acer 3002LC wich has a real tech AC'97 audio device. Everytime I shut down the laptop I loose my audio. I am sick and tired of having to uninstall and then re-install the device. I have checked the device driver and it appears that I have the latest one installed. There are also no conflicting devices and it is telling me that the driver is functioning properly. The only error I receive is the following; This device can not start (Code 10). I have emailed Acer tech support about a month a go but am yet to receive a reply(good service eh). I can't take it back to where I purchased it from because I am in Thailand and I bought it in Australia.
Could it possibly be a file association problem. I have installed Adobe Photoshop Elements 3 and Corel Photopaint 12 since I have puchased the laptop. I can't see these 2 programs causing my troubles but I don't remember having the problem before I did. Has anyone got any ideas.
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Topic- Audio Problem
Date- 7th Oct-2005
Poster - jimfu2

There [May be (??)] a few BIOS settings dealing with this – They are probably OK – but lets verify them 1st -

(1) - [Integrated Peripherals] > verify [Onboard AC97 Audio Controller = [AUTO] or [ENABLED]
(2) – [PnP / PCI Configurations] > verify [PnP] = [ENABLED]
(3) – [PnP / PCI Configurations] > verify [Resources Controlled by [AUTO(ESCD)]] = AUTO(ESCD)]

Next lets prepare [DEVICE MANAGER] to show Non Present Devices & see what we can observe – You said that Device is functioning Properly – Lets see if you have more than 1 Driver installed as (Non Present) – And see if you have any [Non Present Devices] with YELLOW WARNINGS –

But 1st you need to Prep [DEVICE MANAGER] to [Show Non Present Devices] – By the following 1 time 2 step process –

Preparation Process for [DEVICE MANAGER] to View [Non Present Devices] – This is a 2 Step process that needs to be done only once –

Step – 1 Set [Folder Options] to [Show Hidden Files & Folders]
Step – 2 Set [Device Manager] to [Show Non Present Devices]

Step – 1 Open [Control Panel] and set [Folder Options] to show [Hidden Files & Folders] – (1 time process)

(1) – Click [Start] Button
(2) – Scroll up to [SETTINGS] > Click on [CONTROL PANEL]
(3) – Open [Folder Options]
(4) – Click on [VIEW] Tab
(5) – Scroll down to [Hidden Files & Folders]
(6) – Click the [SHOW HIDDEN FILES & FOLDER] Option
(7) – Deselect OPTION – [Hide Protected OS Files – Recommended]
(8) – Click [OK]
(9) – Close [Control Panel]

Step – 2 Prep [DEVICE MANAGER] to view [Non Present Devices] –( 1 time process)

(1) – Right Click [MY COMPUTER] > Click [PROPERTIES] on Drop Down Menu –
(2) – Click [ADVANCED] Tab – (on System Properties)
(4) – Under [SYSTEM VARIABLES] Section – Click [NEW] Tab –
(5) – In [NAME] Section – Type – devmgr_show_nonpresent_devices
(6) – In [VALUE] Section – Type the number 1
(7) – Close out by Clicking [OK] Tabs – 3 Times – (3 levels/panels to close)
(8) – Click on [START] Button > Then click on [RUN] –
(9) – Type – devmgmt.msc – and then Click [OK] – This will open [DEVICE MANAGER]
(10)– Click [VIEW] on Menu > Click [Show Hidden Devices] on Pop Down Menu –
(11) – View [Hidden Devices] – Indicated by Faded Gray Print – (Close when completed) –
(12) – Restart Computer – (To ensure a good [Initial] beginning -
Now Open [Device Manager] in Normal manner & Set [VIEW] options to [SHOW HIDDEN DEVICES]

Standard Process to Open [DEVICE MANAGER] with [Show Hidden Devices] Option set -

(1) – Right Click [MY COMPUTER]
(2) – Browse down [Menu] to [Properties] > Double Click to Open Properties Page
(3) – Click on [HARDWARE] Tab
(4) – Click on [Device Manager] Tab
(5) – Click on [View} on Menu Bar
(6) – **Click on [Show Hidden Files]**
(7) – Expand Folders as reqyired
(8) – You need to double left click or right click each line to reveal additional info
(9) – [Non Present Devices] will be denoted by –(Light/faded gray print)

** Step 6 will have to be set to [Show Hidden Files] on each opening of [Device Manager] **

Now Browse thru – you need to Expand Folders & either Left Double Click or Right Click all lines to see more info – you are now looking for the – [Muted/faded gray] Devices with Yellow Warning Signs or have a Bold repeated instance of same name –

If you do have a faded gray instance & bold instance – That is indicating that either 2 Drivers are installed or you have some remains of a previous Driver –

Now you will see a lot of Non Present Devices – That is ok – you just don’t want to see many with the same name – These [Non Present Devices] (The Proper Ones) are kind of a place Holder for PnP when the Device is either [TURNED OFF] or [DISCONNECTED] – so when they are turned ON or CONNECTED – PnP will not try to reinstall – The devices will simply play/function as usual – [EXAMPLE] – You do not always Turn Printer ON – but when you do – you just want it to print – Not to be reinstalled each time – So when you do Turn the Device off – You will see the transformation of [Device Present] to [Non Present] – change from Bold to Faded gray –

This is more evident with USB Devices than with non USB – USB Devices are PnP Compliant –

Anyway see if this brings out any clues as to what is happening – with Audio – If nothing else you will be able to see some USB Problems/Issues by using [Device Manager] set to [Show Non Present Devices] – Just remember to set [VIEW OPTIONS] to [See Hidden Devices]


Edited by Jack123, 07 October 2005 - 08:32 AM.

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Hi Jack123'
I found one dodgy icon in the device manager under non plug and play drivers called serial. I have disabled this and so far after about ten reboots I still have sound (amazing)! I think this has solved my problem but I would like to understand why? Can you give me some explanation if it is not too much trouble. If you haven't got the time I understand. Thank you very much for your help and I appreciate it very much. A lot better service here at geeks to go than Acer. Once again thanks for all your help.
Best regards
Jim :tazz:
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Topic- Audio Problem-(Serial)
Date- 8th Oct-2005
Poster - jimfu2

OK – That is good News – The bad news is – Something else will not be working now –

Probably you also have an [Onboard Modem] – Probably AC97 – How is that working ?

Here is a good tool – to analyze your PC with -

1st download the Free Home Edition of [EVEREST] so we can analyze your PC –

Download & Run [EVEREST] & do the following steps to obtain 4 [REPORTS] – from these – will be able to answer Audio & Modem Issues better -


1 – Expand [COMPUTER] Folder
2 – Click on [SUMMARY] Folder
3 – On Main Menu – Click on [REPORT] > On pop down menu – Highlight [Quick Report-Summary] >Click on [HTML]
4 – Save to File as [Jimfu2-CPU-1] & attach to POST

Report –2:

1 – Expand [MOTHERBOARD] Folder
2 – Click on [MOTHERBOARD] Folder
3 – Click [REPORT] >[Quick Report-Motherboard] > [HTML]
4 – Save to File as [Jimfu2-Mobo-1] & attach to POST

Report –3 :

1 – Expand [DEVICES] Folder
2 – Click on [DEVICES] Folder
3 – Click [REPORT]>[Quick Report-Devices]> [HTML]
4 – Save as File [Jimfu2-Devices-1] & attach to Post

Report – 4:

1- Expand [STORAGE] Folder
2- Click on [STORAGE] Folder
3- Click [REPORT] > [QUICK Report – STORAGE] > [HTML]
4- Save as File [Jimfu2-Storage-1] & attach to Post

[EVEREST] will assist you in evaluating your PC of motherboard -

Additional info needed –
1- How old is PC
2- This is an UPGRADE from WIN 98
3- Make & Model of PC
4- OS & SP installed
5- Overclocking ?

Attach the 4 Reports to your reply Post – And answer the 5 questions – I do not know how well [EVEREST] works with Laptops – may be limited CPU & Motherboard info (?)


Edited by Jack123, 09 October 2005 - 09:14 AM.

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Hi Jack
Here is the information that you requested
1 The pc is only about 3 months old
2 It is not an upgrade from Win 98
3 Acer 3002LC
4 The OS is Win XP with SP2
5 No overclocking
Attached File  Jimfu2_Devices_1.htm   128.97KB   207 downloads
Attached File  Jimfu2_Mobo_1.htm   53.26KB   100 downloads
Attached File  Jimfu2_Sensors_1.htm   46.43KB   265 downloads
Attached File  Jimfu2_CPU_1.htm   36.24KB   85 downloads
Thanks again for your time and assistance.
Jim :tazz:
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