Aspire 4736z CD/DVD drive not working

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I have recently installed Windows 7 on my Acer Aspire 4736z (previously had Vista Home Basic). My CD/DVD drive was working perfectly fine with Vista, but I wanted 7, anyway to get it working?

When I place a disk into the drive, it sounds like its working, but the disk is not detected in My Computer. I have also tried to locate in my Device Manager, but cannot locate it. Also tried to locate the driver download on Acer's website, but also cannot.

HELP?!!!!

3 replies

Work Around:
To work around this problem, try the following methods in the order in which they are presented.
Method 1: Check for a firmware update
To check for an applicable firmware update, contact the manufacturor of the DVD drive.
Method 2: Disable the Adaptive Link Power Management (ALPM) feature
If you cannot find a firmware update, disable the Adaptive Link Power Management (ALPM) feature on the computer. To do this, follow these steps.
Note ALPM is a feature that puts a hardware device into sleep state after 100 ms of idle time. This is a power-saving feature. After you disable ALPM, you can still configure the drive to run in any one of three power plans: Performance, Balanced, and Power Saver. However, you cannot still benefit from the additional power saving that is provided by ALPM.
Click Start , click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
At the command prompt, type the following six commands in the order in which they are presented. Press ENTER after each command.
powercfg.exe -setacvalueindex 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0
powercfg.exe -setdcvalueindex 8c5e7fda-e8bf-4a96-9a85-a6e23a8c635c 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0
powercfg.exe -setacvalueindex 381b4222-f694-41f0-9685-ff5bb260df2e 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0
powercfg.exe -setdcvalueindex 381b4222-f694-41f0-9685-ff5bb260df2e 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0
powercfg.exe -setacvalueindex a1841308-3541-4fab-bc81-f71556f20b4a 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0
powercfg.exe -setdcvalueindex a1841308-3541-4fab-bc81-f71556f20b4a 0012ee47-9041-4b5d-9b77-535fba8b1442 DAB60367-53FE-4fbc-825E-521D069D2456 0

original thread in this site...works for me
http://www.product-reviews.net/productproblems/20090713/product-aspire4736z/
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Thank you

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I have exactly the same problem too!!!
I had XP operating sys. before and now I installed win 7(ultimate 32)
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K. I'll check. Thanks for suggestion.