电脑待机后,主机可以正常唤醒,但是显示器却不行

2025-02-12 18:00:45
推荐回答(1个)
回答1:

(1)建议为Windows打上最新的补丁包,Windows 2000应升级为SP4,Windows XP升级为SP2,因为之前版本中某些系统关键文件存在问题,比如:旧版本的Usbuhci.sys会导致从待机状态恢复后USB键盘无法使用或USB键盘无法将Windows唤醒等故障。从而导致休眠和待机不正确。
(2)升级主板BIOS及芯片组的最新驱动程序。
(3)如果你在电脑进入待机状态过程中按了USB鼠标的按钮,很可能导致USB老鼠和USB键盘无法唤醒电脑的故障,目前没有好的办法解决,只能建议你通过按机箱开机按钮来唤醒电脑。
(4)如果你使用的是Nero Burning Rom 5.0~5.5,操作系统为Windows XP SP1,在待机和休眠时会出现死机现象。建议升级Nero

主要检查ACPI的功能:
1.BIOS中可能是将ACPI Suspend Type项模式设为了S3(STR)挂起到内存,只要将它设为S1(POS)就行了。如果设为S3挂起到内存模式,要按主机上的电源开关才能唤醒系统。也有可能你的电源不支持ATX2.1规范
2.操作系统的设备管理中ACPI设备加载的驱动是否正确,如果ACPI设备没有被加载或者驱动不正确,系统就会启用传统电源管理模式。

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