How to Test computer performance
11.
first restart your computer and wait until the
process is complete
22. check
spesification computer,open start and type “run”,click run and type ”dxdiag”
33.
checking condision of computer lights
POST (Power on
Self-Test)
POST (Power on Self-Test) is a test performed by the PC to check the
functions of PC support components whether working properly. POST is
done by PC at boot time, if PC experience a problem it will be able to detect
symptoms kesalahannnya through POST, PC will give message error warning in the
form of sound generated through speaker or visual appearance in monitor.
1)
POST procedure (Power on Self-Test)
a)
The
Power Supply test is marked with a live power lamp and a rotating power supply
cooling fan.
b)
Automatically reset to CPU work by a good
power signal generated by the power supply if it is in good condition at the
time it is turned on, then the CPU starts executing the initial instruction on
the BIOS ROM and so on.
c)
Checking
the BIOS and its contents. The BIOS should be legible. The initial ROM BIOS
instruction is jump (jump) to the POST program address.
d)
Checking
against CMOS, CMOS should work properly. The POST program begins with reading
setup data (initial hardware settings) in CMOS RAM setup, as reference data for
checking.
e)
Checking
CPU, timer, direct access memory control, memory bus and memory module.
a)
A 16
KB memory should be available and readable / written for BIOS ROM purposes and
store POST code.
b)
Checking
I / O controller and bus controller. The controller must be able to work to
control the read / write data process. Includes I / O for VGA card connected
with monitor.
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