HDMI 輸出

nb為t4410，我要用hdmi輸出時，並沒有出現hdmi的訊號，音訊跟視訊皆無，我google了三天，無解，換各式各樣的驅動也沒效，最後我跑去問官網，答案是：
Issues that can occur with the HDMI output of Fujitsu LifeBook T4410
The most common issues that can occur with the HDMI output of Fujitsu LifeBook T4410 computer are; failure to transmit the signals from the notebook to the external viewing devices, or displaying unclear or blurred images. Other reasons could vary from display screen errors or hardware issues, and compatibility difference that can occur between the signals and the notebook, which is unable to receive them. It may be that the adapter cable is missing, and because of that the signals cannot be transferred and transmitted to the destination. It may happen that the monitor or the displaying screen is not compatible and that is the reason why the picture displayed is blurred or unclear. If you come across such issues in your Fujitsu LifeBook T4410 notebook then you simply can seek out professional assistance.
大意是這款筆電的hdmi的輸出並不能正常輸出訊號，無法輸出清析的源訊，會出現無法接收訊號的錯誤，請洽詢專業人仕…
整個無言…
上來求救，有專業人仕能為我解答此一問題嗎？謝謝…