DELL NT499 ユーザーズマニュアル

ページ / 290
Adding and Replacing Parts
243
Processor
 
CAUTION: 
Before you begin any of the procedures in this section, follow the 
safety instructions in the Product Information Guide.
 
CAUTION: 
To guard against electrical shock, always unplug your computer from 
the electrical outlet before opening the cover.
 
NOTICE: 
To prevent static damage to components inside your computer, discharge 
static electricity from your body before you touch any of your computer’s electronic 
components. You can do so by touching an unpainted metal surface on the 
computer.
Removing the Processor
 
NOTE: 
To loosen the two captive screws on each side of the heat-sink assembly, 
you need a long Phillips screwdriver.
3 Loosen the two captive screws on each side of the heat-sink assembly.
 
CAUTION: 
Despite having a plastic shield, the heat-sink assembly may be very 
hot during normal operation. Ensure that it has had sufficient time to cool before 
you touch it.
4 Rotate the heat-sink assembly upward, and remove it from the computer.