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4 Replacement Procedures
4
4.9 CPU
4.9
CPU
Removing the CPU To remove the CPU, follow the steps below. 1. Turn the computer upside down and remove two M2.5×4 security screws securing the CPU compartment cover.
Figure 4-28 Removing the CPU compartment cover screws 2. Remove the CPU compartment cover.
Figure 4-29 Removing the CPU compartment cover
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4.9 CPU
4 Replacement Procedures
3. Remove four M2.5×5 black screws securing the heat sink. They must be unscrewed in catty-corner order (i.e. lower-left first, then upper right second, and so-on.)
Figure 4-30 Removing the heat sink screws 4. Remove the heat sink.
Figure 4-31 Removing the heat sink CAUTION: If you remove the heat sink, you should use the CPU grease tool to remove the grease on the CPU and heat sink. Reapply fresh grease before replacing the heat sink. 5. Turn the cam on the CPU socket with a flat-blade screwdriver so that the notch on the cam is aligned with the "open" side of the CPU socket to unlock the CPU.
Figure 4-32 Unlocking the CPU cam
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4 Replacement Procedures 6. Gently lift out the CPU.
4.9 CPU
Figure 4-33 Removing the CPU Installing the CPU To install the CPU, follow the steps below. CAUTION: If you remove the heat sink, you should use the CPU grease tool to remove the grease on the CPU and heat sink. Reapply fresh grease before installing the heat sink.
1. Make sure that the notch on the cam is aligned with the open position.
Figure 4-34 Unlocking the CPU cam 2. Seat the CPU to align the triangle mark on the CPU with the upper right corner of the socket if the front of the computer is facing your body. Make sure the alignment is exact to avoid damaging pins on the CPU.
Figure 4-35 Aligning the CPU triangle
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4.9 CPU
4 Replacement Procedures
3. Press the CPU softly with your fingers and turn the cam on the CPU socket to the closed position with a flat-blade screwdriver to secure the CPU. 4. Seat the heat sink over the CPU making sure that the heat sink is oriented so that the two knobs in the CPU compartment secure it.
Figure 4-36 Inserting the heat sink 5. Secure the heat sink with four M2.5×5 black screws. The screws must be put tightened in a catty- corner order (i.e. lower-left first, then upper right second, etc.)
Figure 4-37 Tightening the heat sink screws 6. Replace the CPU compartment cover.
Figure 4-38 Replacing the CPU compartment cover 7. Secure the CPU compartment cover with two M2.5×4 security screws.
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4 Replacement Procedures
4.10 Display Assembly
4.10
Display Assembly
Removing the Display Assembly To remove the display assembly, first remove the battery and the wireless LAN module (or simply disconnect its aerial cables first), then follow the steps below. NOTE: If you have a wireless LAN card installed, you will have to disconnect the wireless LAN connector wire before removing the display assembly. See section 4-7 for details. 1. Insert a thin tool into the hole on the strip cover and slide it to the right. The strip cover will pop up allowing you to remove it.
Figure 4-39 Removing the strip cover 2. Remove two M2.5×5 black screws and slide the joint covers outwards and upward to remove them. Note that you'll have to push the display back until it rests at a 45° angle in order to get the joint covers out completely
Figure 4-40 Removing the joint covers 3. Remove the keyboard as described in section 4-6, Removing the Keyboard.
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4.10 Display Assembly
4 Replacement Procedures
4. Remove one M1.7x2 black screws connecting the LCD cable to the chassis.
Figure 4-41 Detaching the LCD cable 5. Remove two M2.5x18 black screws on the top and one M2.5x8 black screw at the back from each silver bracket holding the LCD display to the computer.
Figure 4-42 Removing the bracket screws 6. Gently lift the display assembly away from the computer's chassis with the display in the closed position.
Figure 4-43 Lifting the display away from the chassis
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4 Replacement Procedures Installing the Display Assembly To install the display assembly, follow the steps below.
4.10 Display Assembly
1. Seat the display assembly taking care not to crush to the LCD display cable.
Figure 4-44 Seating the display assembly 2. Feed the wireless LAN connector into the wireless LAN compartment.
Figure 4-45 Inserting the wireless LAN connector 3. Place computer upside down and attach the ends of the wireless LAN connector to the wireless LAN unit. 4. Attach LCD display cable to connector on system board and secure with one M1.7×2 screw.
Figure 4-46 Connecting the LCD cable
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4.10 Display Assembly
4 Replacement Procedures
5. Attach the joint covers by slipping them down and in, then insert two M2.5×5 black screws to connect the display assembly to the chassis. Note that you'll have to push the display back until it rests at a 45° angle in order to get the joint covers in completely. 6. Attach the keyboard as described earlier. 7. Position strip cover and slide it to the left to lock it in position.
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4 Replacement Procedures
4.11 The Cover
4.11
The Cover
Removing the Cover To remove the cover, follow the steps below. 1. Remove the battery, optical media drive, HDD, keyboard, and display assembly as described in previous sections. 2. Remove the following eighteen screws from the bottom of the computer: · Eight M2.5×18 black screws · Two M2.5x8 black screws · Two M2.5x3 black screws in the battery bay · Two M2.5x5 silver screws in the optical media bay · Four hexagonal screws for the video monitor port and the parallel port.
A: M 2.5 x 8
B: M 2.5 x 18
C: M 2.5 x 5 D: M 2.5 x 3
Figure 4-47 Removing the screws securing the bottom of the cover 3. Turn the computer over.
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4.11 The Cover
4 Replacement Procedures
4. Remove the following five screws from the top of the computer: · Two M2.5×18 black screws · Two M2.5 ×5 black screws · One M2.5 ×8 black screws
A: M 2.5 x 18 B: M 2.5 x 5 C: M 2.5 x 8 Figure 4-48 Removing the screws securing the top of the cover 5. Remove the following cables: · TouchPad FPC cable · LED/control button FFC cable · Speaker cable
Figure 4-49 Removing the cables 6. Lift the top cover from the computer's chassis.
Figure 4-50 Removing the cover
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4 Replacement Procedures Installing the Cover To install the top cover and display assembly, follow the steps below. 1. Seat the cover on the computer's chassis. 2. Attach the following cables: · TouchPad FPC cable · LED/control button FFC cable · Speaker cable
4.11 The Cover
Figure 4-51 Attaching the cables 3. Connect the following five screws from the top of the computer: · Two M2.5×18 black screws · Three M2.5 ×5 black screws · One M2.5 ×8 black screws
A: M 2.5 x 18 B: M 2.5 x 5 C: M 2.5 x 8 Figure 4-52 Connecting the screws securing the top of the cover 4. Attach the keyboard and display assembly as described in previous sections. 5. Turn the computer over. 6. Connect the following eighteen screws from the bottom of the computer: · Eight M2.5×18 black screws · Two M2.5x8 black screws · Two M2.5x3 black screws in the battery bay · Two M2.5x5 silver screws in the optical media bay
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4.11 The Cover ·
4 Replacement Procedures
Four hexagonal screws for the video monitor port and the parallel port.
A: M 2.5 x 8
B: M 2.5 x 18
C: M 2.5 x 5 D: M 2.5 x 3
Figure 4-53 Removing the screws securing the bottom of the cover 7. Insert the optical media, the battery and the HDD as described in previous sections.
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4 Replacement Procedures
4.12 System Board
4.12
System Board
Removing the System Board To remove the system board, follow the steps below. 1. Remove the computer cover as described in a previous section. 2. Place the computer upside down so the optical media and battery bays are lying face down. 3. Remove two M2×4 silver screws and two M2.5x5 black screws securing the module support. Slide the module support towards the system board then remove.
Figure 4-54 Removing the module support 4. Remove two M2.5x5 black screws securing the system board to the chassis.
Figure 4-55 Removing the system board screws
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4.12 System Board
4 Replacement Procedures
5. Gently remove the system board by pulling it away from the back of the chassis, out and up ward. The rear parallel port, TV-Out port and USB ports may stick a little to the chassis on the way out, but resist the urge to pull too hard.
Figure 4-56 Removing the system board Installing the System Board To install the system board, follow the steps below. 1. Seat the system board, making sure to ease the ports into their openings on the chassis and cover. 2. Secure the system board with two M2.5x5 black screws.
Figure 4-57 Removing the system board screws 3. Secure the module support in place with two M2×4 silver screws and two M2.5x5 black screws.
Figure 4-58 Securing the module support
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4 Replacement Procedures
4.13 Modem
4.13
Modem
Removing the Modem To remove the modem, follow the steps below. 1. Remove the system board, as described in a previous section. 2. Remove two M2.5x5 black screws securing the modem to the system board.
Figure 4-59 Removing the system board 3. Disconnect the modem cable from the modem module. 4. Gently lift the modem module from the system board. Installing the Modem To install the modem, follow the steps below. 1. Place the modem module on the system board. 2. Connect the modem cable to the modem module. 3. Secure two M2.5x5 black screws connecting the modem to the system board. 4. Reinstall the system board, as described in a previous section.
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4.14 Fan
4 Replacement Procedures
4.14
Fan
Removing the Fan To remove the fan, follow the steps below. 1. Remove all of the modules and the system board as described in previous sections. 2. Place the system board so that the fan is on the bottom. Remove two M2×5 silver screws securing the fan.
Figure 4-60 Removing the screws that secure the fan to the system board 3. Remove the Northbridge heat sink cover, which also secures the fan. To do so, you must loosen 3 embedded screws.
Figure 4-61 Removing the Northbridge screws 4. Turn the system board over.
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4 Replacement Procedures 5. Disconnect the fan power cables.
4.14 Fan
Figure 4-62 Disconnecting the fan power cables 6. Remove the fan.
Figure 4-63 Removing the fan Installing the Fan To install the fan, follow the steps below. 1. Seat the fan on the system board. 2. Secure it with two M2×5 silver screws. 3. Secure the Northbridge heat sink cover, which also holds the fan place. To do so, you must tighten 3 embedded screws. 4. Connect the fan power cables to the system board.
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4.15 LED/Button Board
4 Replacement Procedures
4.15
LED/Button Board
Removing the LED/Button Board To remove the LED/button board, follow the steps below. 1. Remove all of the modules and the computer cover as described in previous sections. 2. Place top cover upside down. 3. Remove one M2.5x3 black screw from the LED/button board mounting bracket.
Figure 4-64 Removing the LED/button board mounting bracket screw 4. Slide the mounting bracket a little to the right, if the back of the cover faces you, and then lift it and the board out.
Figure 4-65 Removing the mounting bracket and the board 5. Remove three M2x3 black screws from the face of the LED/button board.
Figure 4-66 The LED/button board
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4 Replacement Procedures Installing the LED/Button Board To install the LED/button board, follow the steps below.
4.15 LED/Button Board
1. Seat the LED/button board on the mounting bracket and secure with three M2×3 screws. 2. Position LED/button board and mounting bracket inside the top cover and secure it with one M2.5×3 screws. 3. Attach LED/button FFC cable to the system board. 4. Restore all the modules and cover pieces as described in previous sections.
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4.16 TouchPad
4 Replacement Procedures
4.16
TouchPad
Removing the TouchPad To remove the TouchPad, follow the steps below. 1. Remove the computer's modules and top cover as described in previous sections. 2. Pull the TouchPad FPC cable out from behind the silver system board shield.
Figure 4-67 Removing the TouchPad cable 3. Remove two M2.5 x3 black screws from the TouchPad bracket.
Figure 4-68 Detaching the TouchPad bracket screws
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4 Replacement Procedures
4.16 TouchPad
4. With LCD/Button board away from you, slide the TouchPad bracket toward you to disconnect it from its cover seat.
Figure 4-69 Removing the TouchPad board and bracket 5. Lift out the TouchPad along with the TouchPad bracket.
Installing the TouchPad To install the TouchPad, follow the steps below. 1. With top cover upside down, place TouchPad in position and cover it with TouchPad cover. Slide TouchPad cover back to lock it in position. 2. Feed TouchPad FPC cable through silver system board shield on the top cover. 3. Attach two M2.5×3 screws to secure TouchPad board.
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4.17 Speakers
4 Replacement Procedures
4.17
Speakers
Removing the Speakers To remove the speakers, follow the steps below. 1. Place the top cover upside down and remove the TouchPad bracket and board as described in previous sections of the manual. 2. Slide the speaker wires out from under the LCD/Button board bracket.
Figure 4-70 Removing the speaker wires 3. Detach the LED/button FFC cable and the speaker cable from the adhesive glue binding them to the cover so you can slide the speaker wires out from under them. 4. Remove one M2.5x5 black screw from each speaker.
Figure 4-71 Unscrewing the right speaker 5. Remove the speakers.
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4 Replacement Procedures
4.17 Speakers
Installing the Speakers To install the speakers, follow the steps below. 1. Place the top cover upside down and remove the TouchPad bracket and board as described in previous sections of the manual. 2. Detach the LED/button FFC cable and the speaker cable from the adhesive glue binding them to the cover so you can slide the speaker wires under them. 3. Seat each speaker. The speaker closest to the speaker cables goes on the right. 4. Secure each speaker with one M2.5×5 screw. 5. Reattach the LED/button FFC cable and the speaker cable to the adhesive glue on the cover so you can slide the speaker wires under them. 6. Slide the speaker wires under the LCD/Button board bracket. 7. Reattach the TouchPad bracket and board as described in previous sections of the manual.
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4.18 Display Mask
4 Replacement Procedures
4.18
Display Mask
Removing the Display Mask To remove the display mask, follow the steps below. 1. On each bottom corner, remove one mask seal by the hinge to expose one screw securing the display mask.
Figure 4-72 Removing the mask seals 2. On each bottom corner, remove one M2.5×8 screw that was covered by the mask seal.
Figure 4-73 Removing two screws securing the display mask
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4 Replacement Procedures
4.18 Display Mask
3. A total of 22 snaps secure the display mask. Carefully insert your fingers between the display mask and the LCD panel and pry open the snaps.
Figure 4-74 Removing the display mask Installing the Display Mask To install the display mask, follow the steps below. 1. Seat the display mask and secure the snaps on each side. 2. Secure the display mask with two M2.5×8 screws at the hinges. 3. Attach two mask seals to cover the screws.
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4.19 FL Inverter Board
4 Replacement Procedures
4.19
FL Inverter Board
Removing the FL Inverter Board To remove the FL inverter board, follow the steps below. 1. Remove one strip of tape securing the HV cable and two strips of tape to uncover two screws securing the FL inverter board.
Figure 4-75 Removing the tape 2. Remove the two M2×3 black screws securing the FL inverter board.
Figure 4-76 Removing the FL screws 3. Carefully lift up the FL inverter board and disconnect the FL FPC and the HV cable from the FL inverter board.
Figure 4-77 Detaching the FL FPC and HV cable
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4 Replacement Procedures Installing the FL Inverter Board To install the FL inverter board, follow the steps below. 1. Connect the FL FPC and HV cable to the FL inverter board.
4.19 FL Inverter Board
Figure 4-78 Connecting the FL FPC and HV cable 2. Seat the FL inverter board and secure it with two silver M2×3 screws.
Figure 4-79 Securing the FL screws 3. Secure the HV cable with one strip of tape. 4. Cover the two screws securing the FL inverter board with tape.
Figure 4-80 Connecting the tape
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4.20 LCD Module
4 Replacement Procedures
4.20
LCD Module
Removing the LCD Module To remove the LCD module, follow the steps below. 1. Remove the FL inverter board as described in previous sections. 2. Remove one M2×3 screw to release LCD cable.
Figure 4-81 Freeing the LCD cable 3. Remove six M2×3 screws securing the LCD module.
Figure 4-82 Removing the module screws
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4 Replacement Procedures 4. Lift the LCD module out of the LCD cover.
4.20 LCD Module
Figure 4-83 Removing the LCD module 5. Disconnect the LCD cable from LCD connector.
Figure 4-84 Removing the LCD cable 6. Remove eight M2×3 screws securing the LCD bracket (the number of bracket screws may vary on different models: 14" models have four, while 15" models have eight).
Figure 4-85 Removing the LCD bracket screws
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4.20 LCD Module 7. Remove LCD bracket.
4 Replacement Procedures
Figure 4-86 Removing the LCD bracket
NOTE: If the LCD module malfunctions, remove the LCD cable and LCD bracket. Then replace the whole LCD module unit.
Installing the LCD Module To install the LCD module, follow the steps below. 1. Connect the LCD cable to the LCD connector on the back of the LCD module.
Figure 4-87 Attaching the LCD cable 2. Secure LCD cable with a stripe of tape. 3. Secure the LCD bracket to the LCD module with eight M2×3 screws (the number of bracket screws may vary on different models).
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4 Replacement Procedures 4. Position the LCD module in place.
4.20 LCD Module
Figure 4-88 Positioning the LCD module 5. Secure the LCD module with eight M2×3 screws.
Figure 4-89 Fastening the LCD bracket screws 6. Secure LCD cable with one M2×3 screw.
Figure 4-90 Securing the LCD cable
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