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Replacing Gateway 450SX4 Components

www.gateway.com

17

Insert the small flat-blade screwdriver or non-marring tool under the power 
board and gently pry up.

18

Align the new power board’s screw holes with the holes on the system 
board, then press the power board into place.

19

Replace the power board’s EMI shielding, then replace the screws.

20

Reassemble your notebook.

Summary of Contents for 450SX4

Page 1: ...450SX4 Service Guide...

Page 2: ......

Page 3: ...secondary battery 9 Adding or replacing memory modules 11 Replacing the 802 11 mini PCI card 18 Replacing the hard drive kit 24 Replacing the hard drive in the hard drive kit 27 Replacing the keyboard...

Page 4: ...ii...

Page 5: ...ty notices and regulatory notices see your Gateway user s guide If you have suggestions regarding the content of this guide send an e mail with the subject Service Guide Comments to channel services g...

Page 6: ...Thank you for purchasing this Factory Service Manual CD DVD from servicemanuals4u com Please check out our eBay auctions for more great deals on Factory Service Manuals servicemanuals4u...

Page 7: ...he bottom of your notebook contains information that identifies your notebook model and its features Warning It is important that you use the correct service guide for your notebook Failure to follow...

Page 8: ...cond number indicates screw length Use this chart to identify the main components of your notebook For a complete list of replaceable parts see the Contents LCD panel assembly see page 52 Keyboard see...

Page 9: ...rface behind your notebook or far enough to the side that your arms do not accidentally brush them onto the floor To help keep track of screws try the following Place each component s screws in their...

Page 10: ...grounded object Unplug the power cord and the modem and network cables Remove the main and optional secondary batteries For more information see Removing the batteries on page 8 Disconnect all periphe...

Page 11: ...ance Make sure that the modular drive is empty Disconnect all peripheral devices and remove any PC Cards Turn off your notebook and unplug the power cable and modem and network cables if attached Disc...

Page 12: ...or www gateway com Disconnecting from the port replicator To separate your notebook from the port replicator 1 Press down on both docking release latches The notebook will spring up slightly 2 Lift th...

Page 13: ...etwork cables and prepare your notebook by following the instructions in Preparing your notebook on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in...

Page 14: ...owing the instructions in Preparing your notebook on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the port replicator on page...

Page 15: ...10 Replacing Gateway 450SX4 Components www gateway com 6 Slide the battery out...

Page 16: ...replacing memory modules www gateway com Adding or replacing memory modules Tools you need to complete this task Important Use only memory modules designed for the Gateway 450SX4 Phillips 0 screwdrive...

Page 17: ...ok on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is f...

Page 18: ...13 Adding or replacing memory modules www gateway com 6 Lift the screw side of the cover upward...

Page 19: ...14 Replacing Gateway 450SX4 Components www gateway com 7 Slide the cover out...

Page 20: ...15 Adding or replacing memory modules www gateway com 8 If you are removing a module gently press outward on the clip at each end of the memory module until the module tilts upward...

Page 21: ...16 Replacing Gateway 450SX4 Components www gateway com 9 Pull the memory module out of the slot...

Page 22: ...it into the empty memory slot This module is keyed so it can only be inserted in one direction If the module does not fit make sure that the notch in the module lines up with the tab in the memory slo...

Page 23: ...6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4...

Page 24: ...19 Replacing the 802 11 mini PCI card www gateway com 5 Loosen the captive screw that secures the mini PCI cover The screw cannot be removed 6 Lift the screw side of the cover upward Captive screw...

Page 25: ...20 Replacing Gateway 450SX4 Components www gateway com 7 Slide the cover out 8 Unplug the two antenna cables...

Page 26: ...cing the 802 11 mini PCI card www gateway com 9 Move the antenna wires out of the way then press outward on the clip at each side of the module until the module tilts upward 10 Pull the module out of...

Page 27: ...and press it into the empty slot This module is keyed so it can only be inserted in one direction If the module does not fit make sure that the notch in the module lines up with the tab in the module...

Page 28: ...card www gateway com 13 Reattach the black antenna cable to the connector labelled MAIN or M then reattach the light gray antenna cable to the connector labelled AUX or A 14 Replace the mini PCI cove...

Page 29: ...your notebook by following the instructions in Preparing your notebook on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the p...

Page 30: ...25 Replacing the hard drive kit www gateway com 5 Remove the hard drive kit screw 6 Slide the old hard drive kit out of your notebook Screw...

Page 31: ...26 Replacing Gateway 450SX4 Components www gateway com 7 Slide the new hard drive kit into your notebook 8 Replace the screw that secures the hard drive kit to your notebook...

Page 32: ...ons in Preparing your notebook on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your note...

Page 33: ...28 Replacing Gateway 450SX4 Components www gateway com 6 Remove the two screws that secure the hard drive to the hard drive kit bracket 7 Remove the bracket from the old drive Screw Screw...

Page 34: ...bracket so the screw holes line up and the plastic strip on the top of the bracket is positioned as shown 9 Replace the two screws that secure the bracket to the drive 10 Slide the hard drive kit into...

Page 35: ...notebook on page 6 2 Disconnect your notebook from the optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the botto...

Page 36: ...he small flat blade screwdriver or non marring tool under the bottom right corner of the keyboard cover and gently pry it up Important Inserting a piece of cloth between the screwdriver and keyboard a...

Page 37: ...l the cover off your notebook You will hear small snapping sounds as the cover comes away from your notebook Be careful not to break off the tabs found on the left end of the cover 9 Slide the two tab...

Page 38: ...l it clicks in place The cover is correctly mounted when you can run your finger along the cover and find no loose spots The cover should be flat all the way across Warning If the cover is not correct...

Page 39: ...book from the optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and opti...

Page 40: ...35 Replacing the keyboard www gateway com 7 Remove the four keyboard screws that secure the keyboard to your notebook Screws...

Page 41: ...eplacing Gateway 450SX4 Components www gateway com 8 Lift the back edge of the keyboard then slowly rotate it toward you so it lies keys down on top of your notebook Be careful not to damage the LCD p...

Page 42: ...the new keyboard keys down on your notebook with the space bar away from you 11 Insert the keyboard plug on the end of the keyboard cable onto the keyboard connector 12 Rotate the keyboard toward the...

Page 43: ...ront edge of the keyboard into the corresponding slots under the palm rest 14 Gently press the keyboard down until it is flat all the way across The keyboard should easily fall into place Be careful n...

Page 44: ...nnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and optional secondary batteries by following the instructions in Removing the batter...

Page 45: ...Components www gateway com 8 If your notebook has 802 11 wireless networking built in slide the antenna cables away from the LED indicator panel EMI shielding 9 Remove the two screws that secure the m...

Page 46: ...rt the small flat blade screwdriver or non marring tool under the left side of the modem and gently pry it up about inch 11 Slide the modem toward you until it slides out from under the LED indicator...

Page 47: ...Slide the modem under the LED indicator panel shielding align the modem s screw holes with the holes on your notebook then press the modem into place 15 Replace the two screws that secure the modem t...

Page 48: ...he instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and optional secondary batteries by following the instruction...

Page 49: ...ww gateway com 8 If your notebook has 802 11 wireless networking built in slide the antenna cables away from the LED indicator panel EMI shielding 9 Remove the three screws that secure the LED indicat...

Page 50: ...lift the ends slightly then repeat until the shielding pulls completely free Warning The LED panel s metal shielding is very thin and will break if you bend it too much When removing the shielding car...

Page 51: ...up about inch then lift the entire panel from the notebook 12 Align the new indicator panel s screw holes with the holes on your notebook then press the panel into place 13 Carefully replace the indi...

Page 52: ...instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and optional secondary batteries by following the instructions i...

Page 53: ...48 Replacing Gateway 450SX4 Components www gateway com 8 Unplug the cooling fan 9 Remove the four screws that secure the cooling assembly to your notebook Screws Screws...

Page 54: ...At the same time as you lift move the cooling assembly to the front of the notebook and remove it 11 Insert the new cooling assembly into your notebook 12 Replace the four cooling assembly screws 13...

Page 55: ...optional port replicator by following the instructions in Disconnecting from the port replicator on page 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and optional secondar...

Page 56: ...ions in Replacing the keyboard on page 34 9 Remove the cooling assembly by following the instructions in Replacing the cooling assembly on page 47 10 Open the LCD panel all the way so it lies flat on...

Page 57: ...age 7 3 Turn your notebook over so the bottom is facing up 4 Remove the main and optional secondary batteries by following the instructions in Removing the batteries on page 8 5 If your notebook has 8...

Page 58: ...34 9 Remove the cooling assembly by following the instructions in Replacing the cooling assembly on page 47 10 Remove the hinge covers by following the instructions in Replacing the hinge covers on pa...

Page 59: ...54 Replacing Gateway 450SX4 Components www gateway com 12 Loosen the screw holding the grounding wire then lift the LCD panel grounding wire to remove the screw Screw...

Page 60: ...sembly www gateway com 13 If your notebook has 802 11 built in pull the detached antenna cables up through the hole in the system board near the touchpad then carefully pull the cables away from the L...

Page 61: ...5 Place the new LCD panel assembly onto your notebook then replace the four hinge screws 16 Reattach the grounding cable 17 Thread the antenna cables through the guides on the LED indicator panel shie...

Page 62: ...d during this task Flat blade driver Scribe or non marring tool OR Phillips 0 screwdriver 5 chrome 2 5 7 mm hinges and grounding wire 4 chrome 2 5 2 5 mm keyboard 4 chrome 2 5 4 mm cooling assembly 3...

Page 63: ...ule by following the instructions in Replacing the 802 11 mini PCI card on page 18 6 Remove the hard drive kit by following the instructions in Replacing the hard drive kit on page 24 7 Turn your note...

Page 64: ...59 Replacing the palm rest assembly www gateway com 14 Remove the twelve chrome screws on the bottom of your notebook Screws Screws Screws Screws Screw...

Page 65: ...y com 15 Turn your notebook over then remove the three screws on the top of your notebook 16 Use two fingers to pull up on the touchpad connector tabs After the connector is in the raised position car...

Page 66: ...est which are near the LCD panel hinges 20 Pull up on the touchpad connector tabs to verify that the connector is in the raised position 21 Slide the end of the touchpad cable into the touchpad connec...

Page 67: ...during this task Flat blade driver Scribe or non marring tool OR Phillips 0 screwdriver 5 chrome 2 5 7 mm hinges and grounding wire 4 chrome 2 5 2 5 mm keyboard 4 chrome 2 5 4 mm cooling assembly 3 c...

Page 68: ...PCI card on page 18 6 Remove the hard drive kit by following the instructions in Replacing the hard drive kit on page 24 7 Turn your notebook over so the top is facing up 8 Remove the keyboard cover...

Page 69: ...Insert the small flat blade screwdriver or non marring tool under the old battery and gently pry it up until it pops out of the socket 17 Make sure the positive side of the new battery is facing up th...

Page 70: ...t blade driver Scribe or non marring tool OR Phillips 0 screwdriver 5 chrome 2 5 7 mm hinges and grounding wire 4 chrome 2 5 2 5 mm keyboard 4 chrome 2 5 4 mm cooling assembly 3 chrome 2 5 4 mm LED in...

Page 71: ...mini PCI card on page 18 6 Remove the hard drive kit by following the instructions in Replacing the hard drive kit on page 24 7 Turn your notebook over so the top is facing up 8 Remove the keyboard co...

Page 72: ...67 Replacing the power board www gateway com 15 Remove the four screws that secure the power board EMI shield to your system board 16 Lift the shielding away from the system board Screws Screws...

Page 73: ...e screwdriver or non marring tool under the power board and gently pry up 18 Align the new power board s screw holes with the holes on the system board then press the power board into place 19 Replace...

Page 74: ...9 Replacing the system board www gateway com Replacing the system board Tools you need to complete this task Flat blade driver Scribe or non marring tool OR Phillips 0 screwdriver 5 0 mm hex nutdriver...

Page 75: ...hrome 2 5 2 5 mm palm rest 5 chrome 2 5 7 mm hinges and grounding wire 4 chrome 2 5 2 5 mm keyboard 3 chrome 2 5 4 mm LED indicator panel 4 chrome 2 5 4 mm cooling assembly 9 chrome 5 9 mm 6 rear I O...

Page 76: ...ni PCI 802 11 module by following the instructions in Replacing the 802 11 mini PCI card on page 18 8 Remove the hard drive kit by following the instructions in Replacing the hard drive kit on page 24...

Page 77: ...y following the instructions in Replacing the palm rest assembly on page 57 18 Remove the power board by following the instructions in Replacing the power board on page 65 19 Unplug the speakers from...

Page 78: ...73 Replacing the system board www gateway com 21 Remove four system board screws and five system board hex nuts Hex nuts Screws...

Page 79: ...y com 22 While pushing in on the PC Card eject button remove the system board Make sure that the rear I O panel clears the bottom of the chassis shown by the top arrow and the side audio jacks clear t...

Page 80: ...ions of the 450SX4 system board Before you continue you should verify that the new system board you received is the same version as the old system board One version of the Gateway 450SX4 system board...

Page 81: ...onents www gateway com The second version of the Gateway 450SX4 system board does not have a square silver heat dissipater This type of system board is used with a chassis bottom that has thermal pads...

Page 82: ...make sure that the new system board is the same as the old one transfer the processor from the old board to the new one Use a flat blade screwdriver to turn the processor lock screw turn counter cloc...

Page 83: ...Pin 1 on the processor indicated by the silk screened arrow on the corner of the processor aligns with Pin 1 on the processor socket indicated by the absence of a pin hole in the processor socket then...

Page 84: ...e new system board into your notebook 28 Replace the four system board mounting screws and the five system board mounting hex nuts Hex nut numbered holes 3 and 4 use the long hex nuts and hex nut numb...

Page 85: ...80 Replacing Gateway 450SX4 Components www gateway com...

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