2. Testing Computer System
Is your PC healthy? Don't be too sure. Think
back to when you heard a kerklunk sound coming from
the hard drive. Or maybe you remember the last time
your Internet connection was down.
The best way to find out what's wrong is to take
a proactive approach: Check under your PC's hood with
the following mostly free diagnostic tools, and see if
anything is amiss--before disaster strikes.
4. Test Your Hardware
Checking your computer hardware
and its peripherals.
1. Computer Monitor and its peripherals
๏ฑMonitor and interface cables
๏ฑVideo card
๏ฑMonitor power cable
5. 2. Keyboard and Mouse
๏ถKeyboard connector
๏ถMouse Connector
6. 3. I/O port and devices
o Connection between the I/O port and the
peripheral device
o A faulty cable between the I/O port and the
peripheral device
o A faulty peripheral device
o Incorrect settings in the System Setup program
o Incorrect settings in the system's configuration
files Faulty I/O port logic on the system board
8. Testing Your Software
Check the different software installed in the
computer.
1. Operating system
๏ฑ Run live updates for your operating systems to get the
latest patches and protection for your OS.
๏ฑ Run registry scanners to check the OS registry
configuration
11. 3. Anti-virus software
โข Run anti-virus program
โข Check for virus signature
updates
โข Check for spyware updates
12. Test Your Firmware
Firmware- is a combination of hardware
and software integrated on a chip.
To test the firmware
Check for the correct configuration, you
can accomplish this by configuring the BIOS in
the computer