usb鍵盤抓不到,且發出登登登三聲 - 鍵盤
By Christine
at 2011-02-24T17:04
at 2011-02-24T17:04
Table of Contents
﹝硬體規格﹞MB :Asus P5KPL-VM
PSU:350w
就在剛剛我的usb鍵盤已經沒辦法被後置usb孔抓到了,
插進去就會發出登登登的錯誤音,
之前是先兩孔抓不到,現在是全部後置四孔都不行,
換到前置後勉強還可以運作,
只是這不是辦法,也不知道能撐多久,
但是後置的孔仍可接其它裝置如滑鼠、外接硬碟都ok,
鍵盤之前運作情形都很ok,兩次都是突然沒反應,
google過可能是usb電壓的問題?
以電壓問題來說有兩種說法:
一.主機板老舊供電不足
二.psu瓦數不足或老舊
像這種情況該如何處理或進行下一步?
去裝置管理員查各usb裝置的安培數,
滑鼠98mA
鍵盤100mA
外接硬碟100mA
如果上像顯示的數據是對的話,
那供電不足的說法就是錯的囉?
有強者可以幫忙解答嗎?
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