Safety First, your repair will do you no good if you are in the hospital...
Safety First Do not assume that your power strip
/ surge suppressor is off!
This should be your primary concern, if you are injured how you going to
use that computer?
Disconnect the power cord!
Do NOT remove components while the computer is powered up!
Do NOT connect internal cables
(interface or power) while the computer is powered up!
ESD is important!
You need to remember that Static Electricity will destroy delicate components.
called Electromagnetic Static Discharge
static electricity. You can build up
enough static electricity to damage a unprotected part by walking across the
How do you discharge the static electricity? By grounding yourself, you
can buy a static wrist strap at your local electronics store or online. You
connect the alligator clip to the case of computer, the power is unplugged so it
is not grounded but the case will absorb any static electricity you have built up
by walking around.
When working on computer parts also consider where you are placing the old part
and the new part while you are working on the computer. Using a anti-static mat
(this is a special material that absorbs static electricity and with a ground
strap dissipates the electricity if there is any present).
If you can not afford or have a anti-static map use the anti-static wrapper the new
part comes in to place your parts on this will offer some protection from ESD.
Note: Do not use tin foil as a replacement for
the anti static mat! Tin foil transmits or conducts electron flow where as the
anti static mat ABSORBS that electron flow!
Remove all JEWELRY!
A short checklist of probable no power:
House power on? check
Power at the receptacle? check (the lamp next to the computer is on right?)
Unplugged and plugged in the power cable to both the wall receptacle and the
computer power supply? Check
- Your next step is to use
Safety First when doing the Basic Troubleshooting checklist to find the problem.
Tools you may need to open your case and remove components:
The 5 Steps to high quality and cheap
DIY Computer Repairs
Get It Today...
Some of the newer computers do not need tools to get components out, they are
secured by spring loaded devices (latches).
You will need either
- a common screw driver
- a # 2 Philips screw driver
- a # 15 torque to remove the screws
An excellent "IT Tool Box" is an ERD (Emergency Repair
Disk) however once you make the disk you can not add any more programs to
it, then again making a Custom ERD you can add more diagnostic and repair
programs than the few offered by the basic Windows Vista and newer ERD made from
the backup applet. To find out more