Gateway 450rgh sm User Manual

36
 Replacing Gateway 450RGH Components
www.gateway.com
10Insert the small flat-blade screwdriver or non-marring tool under the left side of the 
indicator panel and gently pry it up about ¼-inch, then lift the entire panel from 
the notebook.
11Carefully lift the middle of the silver EMI panel shielding slightly away from the 
panel, then lift the ends slightly, then repeat until the shielding pulls completely free.
12Align the new indicator panel screw holes with the holes on the notebook, then 
press...

37
Replacing the modem
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Replacing the modem
Tools you need to complete this task:
Screws removed during this task:
To replace the modem:
1Disconnect the AC adapter, modem and network cables, then prepare the notebook 
by following the instructions in “Preparing the notebook” on page 7.
2Turn the notebook over so the bottom is facing up.
3Remove the main battery by following the instructions in “Removing the main 
battery” on page 8.
4If the modular bay contains the secondary battery,...

38
 Replacing Gateway 450RGH Components
www.gateway.com
8Remove the two screws that secure the modem to the notebook.
9If the notebook has IEEE 802.11 wireless networking built in, slide the antenna cables 
away from the LED indicator panel EMI shielding.
CautionThe upper-right screw also secures the bottom of the LED 
indicator panel and the grounding wire for the wireless 
networking antenna cables. Be careful not to damage the 
connectors or the wires when removing this screw.
Screws 

39
Replacing the modem
www.gateway.com
10Insert the small flat-blade screwdriver or non-marring tool under the left side of the 
modem and gently pry it up about ¼-inch.
11Slide the modem toward you until it slides out from under the LED indicator panel 
EMI shielding.
12Unplug the modem cable from the modem.
13Connect the modem cable into the new modem. 
14Slide the modem under the LED indicator panel EMI shielding, align the modem 
screw holes with the holes on the notebook, then press the modem into...

40
 Replacing Gateway 450RGH Components
www.gateway.com
15Replace the shorter of the two modem screws to secure the lower-left corner of the 
modem to the notebook.
16Align the connectors for the modem cable and the grounding wire for the antenna 
cables on the longer of the two modem screws, then secure the modem to the 
notebook through the LED indicator panel shielding.
17Rethread the antenna cables (if applicable).
18Reassemble the notebook.
19Replace the main battery and secondary battery (if...

41
Replacing the cooling assembly
www.gateway.com
Replacing the cooling assembly
Tools you need to complete this task:
Screws removed during this task:
To replace the cooling assembly:
1Disconnect the AC adapter, modem and network cables, then prepare the notebook 
by following the instructions in “Preparing the notebook” on page 7.
2Turn the notebook over so the bottom is facing up.
3Remove the main battery by following the instructions in “Removing the main 
battery” on page 8.
4If the modular bay...

42
 Replacing Gateway 450RGH Components
www.gateway.com
8Unplug the cooling fan.
9Remove the four screws that secure the cooling assembly to the notebook.
Screws
Screws 

43
Replacing the cooling assembly
www.gateway.com
10At the same time as you lift, move the cooling assembly to the front of the notebook 
and remove it.
11Insert the new cooling assembly into the notebook.
12Replace the four cooling assembly screws.
13Plug in the cooling fan.
14Reassemble the notebook.
15Replace the main battery and secondary battery (if installed). Connect the AC 
adapter and modem and network cables, then turn on the notebook. 

44
 Replacing Gateway 450RGH Components
www.gateway.com
Replacing the cooling fan
Tools you need to complete this task:
Screws removed during this task:
To replace the cooling fan:
1Disconnect the AC adapter, modem and network cables, then prepare the notebook 
by following the instructions in “Preparing the notebook” on page 7.
2Turn the notebook over so the bottom is facing up.
3Remove the main battery by following the instructions in “Removing the main 
battery” on page 8.
4If the modular bay contains...

45
Replacing the cooling fan
www.gateway.com
8Unplug the cooling fan.
9Remove the four screws that secure the cooling fan to the cooling assembly.
10Lift the cooling fan from the cooling assembly and remove it.
Screws
Screws