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
try blowing out all of the dust from your keyboard using a fine air blower from an air compressor making VERY sure there is no MOISTURE in the lines.
dust causes static which causes lots of problems with a computer and its parts
if by now you gan get a screen you might have to uninstall your keyboard restart your computer then reinstall it
make sure the lead connection is secure and dust free (if applicable)
make sure the usb device is inserted correctly into the Ps2 or usb port (if applicable)
click start control panel administration tools computer management device manager scroll to keyboards also mouse you might see a yellow exclamation or question mark ! ? or red x you will need to update driver right click to update driver
if your computer came with a motherboard disk the drivers could be on itthis will apply to your mouse
you might have to uninstall the mouse and its drivers then restart your computer then reinstall the mouse and its drivers
click start right click on my computer select properties device manager control scroll to mice and pointing devices you might see a yellow question mark? right update driver
click start control panel mouse you should see 4 tabs buttons pointers pointer options and hardware under hardware you have options to troubleshoot also you can select properties under driver you will have the options update driver rollback driver or uninstall in xp
in windows 7 click start control panel hardware and sound mouse you will see the same tabs and options as with xp
hope this helps
Test all leads that attach to your hard drive including electrical extensions,IDE,SATA
the leads from your MOTHERBOARD TO YOUR HARD DRIVE make sure they have a secure connection and are not faulty or just replace them they could be faulty 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 the electrical extensions or just replace them they could be faulty a computer needs its connections to continue its cycle and have an end so any faulty leads will end up with a computer error even something as small as a faulty electrical extension or fan lead can cause you problems
computers need all of the data and electrical current to travel through every working device and to have an end to be able work properly
motherboard and a hard drive any leads between them will fail before your motherboard or your hard drive if its a flat ribbon 40 pin type IDE replace it this will be the first to fail
check all electrical power input and extensions make sure they are securely seated even the cd/dvd floppy drives need to have current go through make sure these drives are working
also check the Cmos battery and computer RAM modules make sure they are securely seated with no dust built up or in the sockets on some motherboards cmos batteries are soldered in
check you CPU make sure its securely seated and has thermal grease might be getting to hot
another possible reason could be a memory dump you might be running to many programs at the one time putting to much strain on the CPU central processing unit
hope this helps
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 reinstall drivers
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 correct settings there
click start control panel sounds and audio devices select advanced there might be a tick in the mute box untick ithope this helps you
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