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Hi, First check the wall electrical outlet if you have power and next you may reset all of the PC power supply connectors and if this will not work, the PC still won't power up. Then buy a new PC power supply unit and replace it. Hope this info will help you solve the problem.
According to system specs your system is not compatible with the Core 2 Duo or Centrino Core 2 Duo. To upgrade to those chips you would need to replace the motherboard with one capable of running those chips. If you decided to do that you would almost surely need new RAM as newer boards use newer technology. By the time you did this the upgrade would not be cost effective. Hope this helps & please remember to rate my answer. Thanks.
Hi there If you go to the HP support website, enter your laptop model you can download the audio drivers from there Support site here http://welcome.hp.com/country/uk/en/support.html?pageDisplay=support
My laptop model is compaq presario c754tu, I have installed Windows Vista Business, and the audio is working fine, but the internal mic and external microphone both work together........i want to mute the internal mic..... how i can do it ? please reply me on my email id i.e. firstname.lastname@example.org
Usually when you double click the speaker icon in the system tray you'll see the volume settings for all your devices. On microphone there is usually an check box for mic boost. Set those to mic boost. Then check that all the sliders in the volumes are one increment below the top but maximum for Wave. Then set the master volume to a comfortable loudness This you can access by a single click to the speaker icon.
Next, you can go to Control Box, click on Sounds and check the settings for speakers/headphone and also for recording where there is usually a routine for checking the recording settings via your microphone made available to you.
Please do not hesitate to ask me for more information and kindly be specific if you can. I'm here to help and will get back to you in a reasonable period of time.
Hope this fixed your problem and thanks for using Fixya.
Its due to your internal laptop MIC's failure! Plz check at any Compaq Service station! Becoz its internal hardware error! Becoz there r no seperate drivers for MIC! If your speakers are working great then MIC should work or else try to get repaired it!