No display and no beep sound solution
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL. http://www.kitchentablecomputers.com/static.php - rules Test all power and data leads that attach to your hard drive IDE,SATA the leads from your (motherboard to your hard drive) make sure they have secure dust free connections and are not faulty or just replace them they might be faulty if its a 40 pin flat ribbon type it will be the first to fail make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even something as small as a faulty electrical fan and its lead can cause you problems computers need all power and data to continue through every working device and to have an end so any faulty leads will end up with a computer error make sure your graphics card is securely seated with no dust built up or in the socket if you remove your graphics check the socket to make sure its dust free restart your computer then reinstall it this should activate found new hardware wizard if your computer came with a motherboard disc the sound drivers could be on it click start control panel administration tools computer management device manager scroll to sound video and game controllers you might see a yellow question exclamation mark? ! or a red X Right click to click start control panel sounds and audio volume advanced speakers make sure you have selected the (appropriate speakers) also audio you will find 3 drop down lists make sure you have the selected correct speaker settings there click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick it if his does not fix the problem click start control panel sounds and audio devices you can adjust the volume there also select speaker click start control panel sounds and audio volume advanced speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand system the speaker plug/outlets is usually at the back of the computer or if its a laptop on the side you will have to open up the computer to check the lead attached to the rear of the input plug make clean your computer of dust using a fine air blower from a compressor making VERY sure that there is if its a desktop swap the speakers around if one still does not work its either a faulty speaker or the speaker connection hope this helps
reinstall drivers
volume you can change your settings there you can also tick in the box place icon in taskbar for any
further volume control settings you will need to right click on the speaker volume icon system select adjust volume
speaker right click properties then select use this device (enable) also you might check
sure the connection is good with no dust as dust causes static electricity
no MOISTURE in the air line or use a can of compressed air specifically around the sound card and the CPU central processing unit
dust causes static to build up in a computer
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