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
if your computer came with a motherboard disk the drivers could be on it
or you might download slimdrivers
rather doing a driver hunt
http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html
note: it will find all of your outdated drivers
this is a free driver solutions
which will automatically search for and find the correct driver
it might take some time being free also http://download.cnet.com/2000-20_4.html
just type in what you want or need be specific you might have to try a few times to get it right
IE: motherboard name sound drivers
http://download.cnet.com/drivers-for-free/3000-18512_4-75548155.html
Windows XP/2003/Vista/Server 2008/7/8 free drivers
http://download.cnet.com/drivermax/3000-18513_4-10572602.html
Windows 2000/XP/Vista/7/8 free driver program
hope it helps
If the PSU power supply units fan is not working the PSU is faulty
http://pcsupport.about.com/od/toolsofthetrade/f/powersupplytest.htm
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 could be faulty 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
make sure all leads that are attached to your drives dvd\cd floppy have secure dust free connections and are not faulty or just replace them they could be faulty a computer needs
power and data to travel through every working device and 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 power lead 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
make sure ram modules and cmos batteries have dust free secure seatings and cmos battery has charge some motherboards cmos batteries are soldered in
you might not have enough computer ram
not having enough computer ram will run your computer over its limits putting to much strain on the CPU central processing unit and can cause memory dumps
you might have to many programs trying to or accessing the internet at the same time scroll to bottom toolbar (bottom of screen) right click select task manager applications you will see whats running if you see anything you dont need running select end now and you might uninstall that specific program if you or computer does not require it to run and some unnecessary programs that could be jamming up your computer also under processes see what is ticking over in the background again if you see something you dont need to be and users you will see who is using your computer you might need to add more computer ram if you're not sure if a module is right for your system use the Crucial Memory Advisor tool for a list of guaranteed compatible modules. first you will need to select the manufacturer from a drop down list then select your product line from a drop down list then select the model then click find it will take you directly to compatible ram also you will have an option to scan your system you should always ask for a guarantee on the compatibility of the ram before making any purchase
might be getting hot
check you CPU make sure its securely seated and has thermal grease
http://www.hardwaresecrets.com/article/Thermal-Compound-Roundup-February-2012/1490
hope this helps
click start control panel administration tools computer management device manager scroll through all of your devices
if you see a yellow question or exclamation mark ? ! or a red X you will need to update the drivers for this device right click select update driver/reinstall driver
if you can see your usb device but its not working scroll to Ports(Com&Ltd) right click to update driver
if you computer came with a motherboard disk the drivers could be on it
or you might have to download them
rather doing a driver hunt which can take hours
http://download.cnet.com/slimdrivers-free/3000-18513_4-75279940.html
it might take some time being a freeware driver solution
note: it will find all of your outdated drivers
this is a free driver solutions this will automatically search for and find the correct driver you will have to update every driver individually once you update you might be asked whether you want to restart or make a system restore point click no to both of these then continue updating each driver free then restart once all of the drivers have been updated also at cnet http://download.cnet.com/2000-20_4.html on the home page you should see a search tab just type in what you are looking for IE: motherboard name sound drivers you might have to try a few times to get it right
http://download.cnet.com/drivermax/3000-18513_4-10572602.html
Windows 2000/XP/Vista/7/8 free driver program
http://download.cnet.com/drivers-for-free/3000-18512_4-75548155.html
Windows XP/2003/Vista/Server 2008/7/8 free drivers
http://www.downloadcollection.com/device_doctor.htm
Device Doctor is a freeware Windows application that scans your computer hardware and checks to see if there are new driver updates available for your devices. It also locates drivers for Unidentified Devices in the Windows Device Manager. This tool was designed to be very simple and easy to use
http://www.innovative-sol.com/drivermax/ free program, paid update available
hope this helps
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