DELL inspiron 4100 User Manual

							Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 
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Microprocessor Thermal Cooling 
Assembly 
Dell™ Inspiron™ 4150 
Removing the Microprocessor Thermal Cooling 
Assembly 
NOTICE: Disconnect the computer and any attached devices from electrical 
outlets, and remove any installed batteries. 
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by 
touching an unpainted metal surface on the computer. 
NOTICE: Read Preparing to Work Inside the Computer before performing the 
following procedure. 
1.  Remove the 
hard drive. 
2.  Remove the 
keyboard. 
3.  Loosen the four captive screws that secure the microprocessor thermal co\
oling  assembly to the system board. 
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							Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 
 
1 microprocessor thermal 
cooling assembly
2 captive screws (4)
3 right side of the thermal 
cooling assembly
4 recess in the EMI shield 
(prying location)
4.  Insert a screwdriver into the recess in the EMI shield under the front-l\
eft corner  of the thermal cooling assembly, and pry the assembly up and away from t\
he 
system board. 
Replacing the Microprocessor Thermal Cooling 
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							Microprocessor Thermal Cooling Assembly: Dell Inspiron 4150 
Assembly 
NOTICE: When replacing the microprocessor, to ensure proper thermal 
operation, always install a new thermal cooling assembly that is compati\
ble with 
the new microprocessor. 
1.  Place the right side of the microprocessor thermal cooling assembly unde\
r the  palm rest, and lower the assembly onto the system board. 
2.  Tighten the four captive screws, labeled 1 through 4, in consecutive\
 order. 
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							Microprocessor: Dell Inspiron 4150 
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Microprocessor 
Dell™ Inspiron™ 4150 
  Microprocessor Module
  Flashing the BIOS
Microprocessor Module
Removing the Microprocessor Module 
NOTICE: Disconnect the computer and any attached devices from electrical 
outlets, and remove any installed batteries. 
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by 
touching an unpainted metal surface on the computer. 
NOTICE: Read Preparing to Work Inside the Computer before performing the 
following procedure. 
NOTICE: When replacing the microprocessor, to ensure proper thermal 
operation, always install a new thermal cooling assembly that is compati\
ble with 
the new microprocessor. 
NOTICE: Do not touch the processor die. Press and hold the microprocessor 
down on the substrate on which the die is mounted while turning the cam \
screw 
to prevent intermittent contact between the cam screw and microprocessor\
. 
NOTICE: To avoid damage to the microprocessor, hold the screwdriver so that 
it is perpendicular to the microprocessor when turning the cam screw. 
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							Microprocessor: Dell Inspiron 4150 
 
1 screwdriver 
(perpendicular to 
microprocessor)
2 pin-1 corner
3 processor die (do not 
touch)
4 ZIF socket
5 ZIF-socket cam screw
1.  Remove the 
hard drive. 
2.  Remove the 
keyboard. 
NOTICE: To ensure maximum cooling for the microprocessor, do not touch the 
heat transfer areas on the microprocessor thermal cooling assembly. The \
oils in 
your skin reduce the heat transfer capability of the thermal pads. 
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							Microprocessor: Dell Inspiron 4150 
3.  Remove the microprocessor thermal cooling assembly. 
NOTICE: When removing the microprocessor module, pull the module straight 
up. Be careful not to bend the pins on the microprocessor module. 
4.  To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate\
 the ZIF- socket cam screw counterclockwise until it comes to the cam stop. 
The ZIF-socket cam screw secures the microprocessor to the system board.\
 Take 
note of the arrow on the ZIF-socket cam screw.
5.  Use a microprocessor extraction tool to remove the microprocessor module\
. 
Replacing the Microprocessor Module 
NOTICE: Ensure that the cam lock is in the fully open position before seating 
the microprocessor module. Seating the microprocessor module properly in\
 the 
ZIF socket does not require force. 
NOTICE: A microprocessor module that is not properly seated can result in an 
intermittent connection or permanent damage to the microprocessor and ZI\
F 
socket. 
1.  Align the pin-1 corner of the microprocessor module with the pin-1 corne\
r of the  ZIF socket, and insert the microprocessor module. 
HINT: The pin-1 corner of the microprocessor module has a triangle that aligns\
 
with the triangle on the pin-1 corner of the ZIF socket. 
NOTICE: You must position the microprocessor module correctly in the ZIF 
socket to avoid permanent damage to the module and the socket. 
When the microprocessor module is correctly seated, all four corners are\
 aligned 
at the same height. If one or more corners of the module are higher than\
 the 
others, the module is not seated correctly.
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							Microprocessor: Dell Inspiron 4150 
NOTICE: Hold the microprocessor down while turning the cam screw to prevent 
intermittent contact between the cam screw and microprocessor (see 

Removing the Microprocessor Module). 
2.  Tighten the ZIF socket by turning the cam screw clockwise to secure the \
 microprocessor module to the system board. 
NOTICE: When replacing the microprocessor, to ensure proper thermal 
operation, always install a new thermal cooling assembly that is compati\
ble with 
the new microprocessor. 
3.  Install a new 
microprocessor thermal cooling assembly. 
4.  
Update the BIOS using a flash BIOS update program CD. 
Flashing the BIOS
To update the BIOS:
1.  Ensure that the AC adapter is plugged into an electrical outlet and that\
 the main  battery is installed in the battery bay. 
2.  Turn on the computer, and when the Dell™ logo appears, press 
 
immediately. 
If you wait too long and the Windows® logo appears, continue to wait \
until you 
see the Windows desktop. Then shut down your computer and try again.
3.  When the boot device list appears, highlight CD/DVD/CD-RW drive and press 
 . 
4.  Insert the flash BIOS update CD, and reboot the computer. 
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							Microprocessor: Dell Inspiron 4150 
The computer boots, updates the BIOS, and reboots. 
5.  Remove the flash BIOS update CD. 
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							Hybrid Cooling Fan: Dell Inspiron 4150 
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Hybrid Cooling Fan 
Dell™ Inspiron™ 4150 
Removing the Hybrid Cooling Fan 
NOTICE: Disconnect the computer and any attached devices from electrical 
outlets, and remove any installed batteries. 
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by 
touching an unpainted metal surface on the computer. 
NOTICE: Read Preparing to Work Inside the Computer before performing the 
following procedure. 
1.  Remove the 
hard drive. 
2.  Remove the 
keyboard. 
3.  Remove the 
display. 
4.  Remove the 
palm rest. 
5.  Remove the 
microprocessor thermal cooling assembly. 
6.  Remove the two M2.5 x 5-mm screws and one M2 x 3-mm screw that secure  the hybrid cooling fan to the system board. 
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							Hybrid Cooling Fan: Dell Inspiron 4150 
 
1 system-board interface 
connector 5
M2 x 3-mm screw 
(1)
2 fan power cable 6M2.5 x 5-mm screws 
(2)
3 spring fingers 7hybrid cooling fan
4 keyboard screw hole   
7.  Disconnect the fan power cable from the system-board interface connector\
 and  remove the hybrid cooling fan. 
HINT: The fan power cable is long, and can be pulled out from under the EMI 
shield to provide access to the connector. 
NOTICE: Do not block the keyboard screw hole when reinstalling the fan. Route 
the fan power cable under the spring fingers and behind the keyboard scr\
ew 
hole to prevent damage to the fan power cable. 
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