ThinkPadT410及相关系列的笔记本电脑,如果是Win7系统,当你在拨下外接USB接口的设备时,需要在电脑右下角点击“安全删除硬件并弹出媒体”,你会发现弹出界面需要30秒钟至1分钟才出现,实在是龟速。
造成这一问题的原因在于C:\\ProgramData\Lenovo\Lenovo ThinkVantage Tools下的*.devicemetadata-ms文件与WIN7原有的文件有重复或冲突,该方法是将所有的*.devicemetadata-ms文件先删除,再重新导入Lenovo ThinkVantage Tools下的*.devicemetadata-ms文件。方法是:新建一个文本文档,将以下内容COPY到文档中,另存为“***.bat” 的文件(***是你喜欢的文件名,不能用***替代的),存盘后找到这个文件点击右键“以管理员身份运行”运行即可,注销重登录后生效。
@echo on
cd "c:\ProgramData\Lenovo\LenovoTvtTools"
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\en-US\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\cs-CZ\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\da-DK\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\de-DE\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\el-GR\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\es-ES\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\fi-FI\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\fr-FR\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\he-IL\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\hu-HU\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\it-IT\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ja-JP\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ko-KR\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\nb-NO\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\nl-NL\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pl-PL\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pt-BR\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pt-PT\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ru-RU\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\sl-SI\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\sv-SE\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\tr-TR\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\zh-CN\*.devicemetadata-ms
del /f /q C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\zh-TW\*.devicemetadata-ms
xcopy /Y .\en-US\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\en-US\*.devicemetadata-ms
xcopy /Y .\cs-CZ\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\cs-CZ\*.devicemetadata-ms
xcopy /Y .\da-DK\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\da-DK\*.devicemetadata-ms
xcopy /Y .\de-DE\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\de-DE\*.devicemetadata-ms
xcopy /Y .\el-GR\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\el-GR\*.devicemetadata-ms
xcopy /Y .\es-ES\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\es-ES\*.devicemetadata-ms
xcopy /Y .\fi-FI\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\fi-FI\*.devicemetadata-ms
xcopy /Y .\fr-FR\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\fr-FR\*.devicemetadata-ms
xcopy /Y .\he-IL\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\he-IL\*.devicemetadata-ms
xcopy /Y .\hu-HU\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\hu-HU\*.devicemetadata-ms
xcopy /Y .\it-IT\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\it-IT\*.devicemetadata-ms
xcopy /Y .\ja-JP\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ja-JP\*.devicemetadata-ms
xcopy /Y .\ko-KR\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ko-KR\*.devicemetadata-ms
xcopy /Y .\nb-NO\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\nb-NO\*.devicemetadata-ms
xcopy /Y .\nl-NL\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\nl-NL\*.devicemetadata-ms
xcopy /Y .\pl-PL\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pl-PL\*.devicemetadata-ms
xcopy /Y .\pt-BR\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pt-BR\*.devicemetadata-ms
xcopy /Y .\pt-PT\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\pt-PT\*.devicemetadata-ms
xcopy /Y .\ru-RU\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\ru-RU\*.devicemetadata-ms
xcopy /Y .\sl-SI\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\sl-SI\*.devicemetadata-ms
xcopy /Y .\sv-SE\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\sv-SE\*.devicemetadata-ms
xcopy /Y .\tr-TR\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\tr-TR\*.devicemetadata-ms
xcopy /Y .\zh-CN\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\zh-CN\*.devicemetadata-ms
xcopy /Y .\zh-TW\*.devicemetadata-ms C:\ProgramData\Microsoft\Windows\DeviceMetadataStore\zh-TW\*.devicemetadata-ms
特别提示:
1.只适合用ThinkPad笔记本电脑且安装Win7系统(不管是32位还是64位)。
2.注意:确保"C:\ProgramData\Lenovo\LenovoTvtTools"下的文件没有失缺。需要注意的是一般情况下这个文件夹是隐藏的,你如果要检查,可以打开“文件夹选项”,把“隐藏受保护的操作系统文件(推荐)”前面的勾去掉,同时在“显示隐藏的文件、文件夹和驱动器”前面选上蓝点。然后点击“应用”(操作完成后再恢复原设置即可)。为安全起见,强烈建议把该文件夹复制保存到一个新建的文件夹中,如果更改后发生异常可以把文件复原。
3.如果"C:\ProgramData\Lenovo\LenovoTvtTools"下的文件有丢失的,转到C:\ProgramData\Microsoft\Windows\DeviceMetadataStore下各文件夹中把最大最新的devicemetadata-ms文件留着,别的都删除即可。
现在,电脑可以确保在15秒钟内弹出操作界面,让你选择“弹出”的设备了。
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