Hardware Reference
In-Depth Information
I like the type with a clutch you can use to set how tight it will make the screws before
slipping;suchaclutchmakesthetoolevenfastertouse.Ifyouusethedriverfrequently,it
makes sense to use the type with replaceable, rechargeable batteries, so when one battery
dies you can quickly replace it with a fresh one.
Caution
Note that using an electric screwdriver when installing a motherboard can be dangerous be-
cause the bit can easily slip off the screw and damage the board. A telltale series of swirling
scratches near the screw holes on the board can be the result, for which most manufacturers
rightfully deny a warranty claim. Be especially careful if your motherboard is retained with
Phillips-head screws because they are extremely easy for the bit to slip out of.
Temperature Probe
Determining the interior temperature of a PC is often useful when diagnosing whether
heat-related issues are causing problems. The simplest and best tool I've found for the
job is the digital thermometers sold at most auto parts stores for automobile use. They are
designed to read the temperature inside and outside the car and normally come with an
internal sensor, as well as one at the end of a length of wire.
Normally, the maximum limit for internal air temperature should be 110°F (43°C) or less.
If your system is running near or above that temperature, problems can be expected.
Infrared Thermometer
Anotherusefultemperaturetoolisanoncontactinfrared(IR)thermometer,whichisaspe-
cialtypeofsensorthatcanmeasurethetemperatureofanobjectwithoutphysicallytouch-
ing it (see
Figure 20.9
). You can take the temperature reading of an object in seconds by
merely pointing the handheld device at the object you want to measure and pulling a trig-
ger.
Figure 20.9
A noncontact infrared thermometer.
