No sounds in my lap top acer 5315 - Acer Aspire 5315 15.4-inch Notebook PC

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Friends, the following method you can try, hope can help to you


System did not sound solution


Check the sound card, cables, speakers and other equipment connected to the normal; running antivirus software, anti-virus;


2, right-click My Computer "----" Properties "---" hardware "----" Device Manager "to open the" Sound, video and game controllers there are any problems, that is, look at the front no


3, the sound but not see the small speaker [Open the Control Panel ---- sound and video equipment ---- volume, "Place volume icon in the taskbar" before a check mark;


4, no sound nor small speakers, open the Control Panel ---- Add Remove Programs ---- Add Remove Windows Components, accessories and tools before playing checkmark, click "Next", then shutdown restart, the system will be prompted to install the new hardware, follow the prompts to install;


5, uninstall the sound card drivers, re-install or upgrade the audio driver;


6, "could not find the AC chip" prompt, there may be computer poisoning, accidental deletion or a result of the illegal operations of the sound card driver appears when installing the sound card driver, or the internal software conflict solution is to reinstall the system and driver


7, simply ignore it and wait for a period of time after shutdown and then reboot, and sometimes the sound problem will resolve itself may wish you can try


8 Start - Control Panel - Sounds and Audio Devices - sound and see if it is transferred into a silent, then selected windows default


Click Start - Run, enter regedit, press Enter, which opened the registry to point a few HKEY-CURRENT-USER, then click the ControlPanel items, and then hit the under Sound Beep its value by No to Yes to restart, is not and I heard the sound of a long absence, the switch machine


10, delete the original account, create a new account, so switch machines have sound, user profile error caused the problem, the guest user can open the guest restart try not switch the sound of , if any, can use the above method, first create an administrator account, and then click on the account of this problem, and then according to the prompt, you can delete the deleted in the process, it also prompted whether file to retain the original account deleted when it is best to backup favorites, as well as the installed software to create the folder in the Start menu, buttoned and then copy them on it.


11, or if not, to find professionals to test if your sound card has been bad

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There nosound they have told me that they have to replaced from the mother board,i am using usb sound card even in chating they cant hear me even me the same my lap top aspire5315.
plz help me