Question about Computers & Internet
Power supply, system board, or keyboard problem
Test your PSU power supply unit or replace it if your power supply units fan is not working your PSU is faulty
WARNING: Before you start troubleshooting remember that you are dealing with electricity that can KILL.
http://www.kitchentablecomputers.com/static.php - rules
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 or a can of compressed air.
Dust causes static which causes lots of problems with a computer and its parts
you might have to uninstall your keyboard restart your computer then reinstall it
Make sure the batteries are fully charged and have good seating points (if applicable) corrosion
Make sure the ps2 lead connection is secure and dust free (if applicable)
Make sure the usb device is inserted correctly into the 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 it
Troubleshoot a Motherboard
Motherboards are an important part of your computer.
They enable it to function, and they're an integral piece of your hardware.
If you want to avoid the costliness of hiring a professional to troubleshoot and repair your motherboard, you need to learn the best way to figure out the problems yourself.
Back up everything possible on your hard drive.
If you're experiencing hardware issues, this is a luxury you might not have.
Keep backup files on an alternate data storage system to avoid data loss during hardware problems.
Notice the issue and reproduce it so you're aware of where the symptom manifests itself.
Isolate the problem.
If the system isn't getting power, make sure it's not the power cord or wall outlet before you try a different motherboard.
If everything is trying to run but not actually able to, check for loose parts on the motherboard before you replace it.
Remove all of the hardware that isn't actually necessary to make the computer function before you can narrow down the causes for your problem to the motherboard.
Try another compatible motherboard in your machine once you've eliminated all other potential problems-ok If it works with the alternate motherboard, replace the old one.
To check the motherboard for faults first check all the capacitors,IC(i.e. the small black coloured chips you see on the motherboard).
Identifying bad capacitors
If any of them is blown off or swollen on burnt then you have to change it by calling a good computer engineer.
Check the slots of the RAM clean them by a 1 inch broad painting brush and also clean the RAM by an ereaser.
If the problem is due to the slots then sorry you have to change the motherboard.
The simptons that the RAM slots are faulty is the buzzer on the motherboard will start beeping continuosly.
One thing also check the CMOS battery that small one on the motherboard I hope you know that battery.
If that battery is down change it and try.
Posted on Nov 28, 2013
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Posted on Jan 02, 2017
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