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note: it will find all of your outdated drivers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 they will automatically search for and find the correct driverhttp://technet.microsoft.com/en-us/library/cc770677(v=ws.10)hope this helps
your keyboard might be faulty or the usb lead connetion make sure its dust and securely seated
Test your PSU or replace it if your power supply units fan is not working your PSU is faulty
One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive
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 unithope this helps
restart you computer tap the f8 key repeatedly to enter safe mode where the only things working will be your keyboard and mouse allowing you an attempt to repair your computer
If done properly the user should get to a screen similar to the below screen.
Select the option for Safe mode command prompt only
Windows Advanced Options MenuPlease select an option:
Safe ModeSafe Mode with NetworkingSafe Mode with Command Prompt
Enable Boot LoggingEnable VGA modeLast Known Good Configuration (your most recent settings that worked)Directory Services Restore Mode (Windows domain controllers only)Debugging Mode
Start Windows NormallyRebootReturn to OS Choices Menu
Use the up and down arrow keys to move the highlight to your choice.select the vga mode if you first remove the graphics resart on then off your the computer then reinstall the graphics card the found new hardware wizard should activateif you need more help with this post a replyhope it helps
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