The optical disc drive is intermittently not displayed on a ThinkPad X300 computer that is running Windows Vista

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Article ID: 953834 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • On a ThinkPad X300 computer that is running Windows Vista, you enable the Disable optical drive option in the IBM Power Manager utility.
  • You leave the system idle for more than 10 minutes until the optical disc disk drive is powered off.
  • You perform a suspend-and-resume cycle or a hibernate-and-wake cycle on the computer.
In this scenario, the computer's optical disc drive is intermittently not displayed in My Computer or in Device Manager.

To make the computer recognize the optical disc drive if the optical disc drive is not displayed, use one of the following methods:
  • Scan for hardware changes in Device Manager
  • Restart the computer

CAUSE

This problem occurs because of a bug in the Ataport.sys file.

RESOLUTION

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:
http://support.microsoft.com/contactus/?ws=support
Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

There are no prerequisites for installing this hotfix.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
Windows Vista, x86-based versions
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File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.017,46431-May-200806:51x86
Amdide.sys6.0.6000.2084617,97631-May-200806:51x86
Atapi.sys6.0.6000.2084621,56031-May-200806:52x86
Ataport.sys6.0.6000.20846110,13631-May-200806:52x86
Cmdide.sys2.0.7.019,00031-May-200806:52x86
Intelide.sys6.0.6000.2084617,97631-May-200806:51x86
Msahci.sys6.0.6000.2084628,21631-May-200806:52x86
Mshdc.infNot applicable47,98631-May-200801:36Not applicable
Pciide.sys6.0.6000.2084615,92831-May-200806:51x86
Pciidex.sys6.0.6000.2084645,11231-May-200806:52x86
Viaide.sys5.1.3790.15020,02431-May-200806:52x86
Windows Vista with Service Pack 1, x86-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.017,46431-May-200807:22x86
Amdide.sys6.0.6001.2219117,97631-May-200807:42x86
Atapi.sys6.0.6001.2219121,56031-May-200807:22x86
Ataport.sys6.0.6001.22191110,13631-May-200807:44x86
Cmdide.sys2.0.7.019,00031-May-200807:41x86
Intelide.sys6.0.6001.2219117,97631-May-200807:22x86
Msahci.sys6.0.6001.2219128,72831-May-200807:41x86
Mshdc.infNot applicable47,45831-May-200801:37Not applicable
Pciide.sys6.0.6001.2219116,44031-May-200807:44x86
Pciidex.sys6.0.6001.2219145,11231-May-200807:25x86
Viaide.sys5.1.3790.15020,02431-May-200807:44x86
Windows Vista with Service Pack 1, IA-64-based versions
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File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.022,07231-May-200807:18IA-64
Atapi.sys6.0.6001.2219138,45631-May-200807:19IA-64
Ataport.sys6.0.6001.22191308,28031-May-200807:20IA-64
Cmdide.sys2.0.7.029,75231-May-200807:19IA-64
Intelide.sys6.0.6001.2219124,12031-May-200807:18IA-64
Msahci.sys6.0.6001.2219161,49631-May-200807:19IA-64
Mshdc.infNot applicable45,12631-May-200801:36Not applicable
Pciide.sys6.0.6001.2219121,04831-May-200807:18IA-64
Pciidex.sys6.0.6001.22191111,67231-May-200807:19IA-64
Viaide.sys5.1.3790.15031,28831-May-200807:17IA-64
Windows Vista, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.018,48831-May-200807:49x64
Amdide.sys6.0.6000.2084618,48831-May-200807:28x64
Atapi.sys6.0.6000.2084622,58431-May-200807:28x64
Ataport.sys6.0.6000.20846124,98431-May-200807:28x64
Cmdide.sys2.0.7.020,53631-May-200807:49x64
Intelide.sys6.0.6000.2084619,51231-May-200807:50x64
Msahci.sys6.0.6000.2084630,26431-May-200807:29x64
Mshdc.infNot applicable48,14631-May-200801:36Not applicable
Pciide.sys6.0.6000.2084615,92831-May-200807:50x64
Pciidex.sys6.0.6000.2084651,25631-May-200807:29x64
Viaide.sys5.1.3790.15020,53631-May-200807:30x64
Windows Vista with Service Pack 1, x64-based versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Aliide.sys1.2.0.018,48831-May-200807:22x64
Amdide.sys6.0.6001.2219118,48831-May-200807:22x64
Atapi.sys6.0.6001.2219122,58431-May-200807:22x64
Ataport.sys6.0.6001.22191124,98431-May-200807:23x64
Cmdide.sys2.0.7.020,53631-May-200807:22x64
Intelide.sys6.0.6001.2219119,51231-May-200807:22x64
Msahci.sys6.0.6001.2219131,28831-May-200807:22x64
Mshdc.infNot applicable47,61831-May-200801:38Not applicable
Pciide.sys6.0.6001.2219116,44031-May-200807:24x64
Pciidex.sys6.0.6001.2219151,25631-May-200807:24x64
Viaide.sys5.1.3790.15020,53631-May-200807:27x64

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.

Properties

Article ID: 953834 - Last Review: June 11, 2008 - Revision: 2.1
APPLIES TO
  • Windows Vista Service Pack 1
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Starter
  • Windows Vista Ultimate
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
Keywords: 
kbautohotfix kbexpertiseinter kbhotfixserver kbqfe KB953834

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