Toshiba Libretto 50CT/70CT Manual

							4.4  Hard Disk Drive (HDD)4  Replacement Procedures4-10Libretto 50CT/70CT Maintenance Manual4.4 Hard Disk Drive (HDD)Removing the HDDTo remove the HDD, follow the steps below and refer to Figures 4-4 to 4-6.
1. Turn the computer upside down.
2. Remove two M2x14 silver screws and then the HDD cover.
CAUTION:  Be careful not to press on the top or bottom of the HDD. Unduepressure can destroy data or damage the drive.Figure 4-4  HDD cover removal 
						

							4 Replacement Procedures 4.4  Hard Disk Drive (HDD)Libretto 50CT/70CT Maintenance Manual4-113. Loosen the HDD bracket handle with a thin object. Grasp the handle and pull the
HDD out.
NOTE: When pulling the HDD out, be sure to hold both corners of the bracket asshown below so as not to bend the bracket.Figure 4-5  HDD removal
4. Remove two thin-flat-head M3 screws from the HDD bracket, and separate the
bracket and the HDD.Figure 4-6  HDD bracket removalInstalling the HDDTo install the HDD, follow the steps below and refer to figures 4-6 back through 4-4.
1. Secure the HDD bracket to the HDD with two thin-flat-head M3 screws.
2. Insert the HDD, board side up, into the HDD slot and push it carefully and securely
into place.
3. Place the HDD cover in position and secure it with two M2x14 silver screws. 
						

							4.5  Optional Memory Module4  Replacement Procedures4-12Libretto 50CT/70CT Maintenance Manual4 
4.5 Optional Memory ModuleRemoving the Optional Memory ModuleTo remove the optional memory module, follow the steps below and refer to Figures 4-7 to
4-9.
1. Open the display fully.
2. Release the keyboard brace at six points by lifting it from right to left. Remove the
keyboard brace.Figure 4-7  Keyboard brace removal
3. Remove one M2x4 screw that secures the keyboard, then lift the keyboard out from
the top. Note the extensions on the bottom of the keyboard that fit into the base. Lay
the keyboard, with the cables still connected, face down on the edge of the base.Figure 4-8  Screw removal 
						

							4  Replacement Procedures4.5  Optional Memory ModuleLibretto 50CT/70CT Maintenance Manual4-134. Remove one thin-head M2.5 screw, and then disconnect the memory module from
PJ140 on the system board.Figure 4-9  Optional memory module removalInstalling the Optional Memory ModuleTo install the optional memory module, follow the steps below and refer to Figures 4-9 back
through 4-7.
1. Connect the memory module to PJ140 on the system board.
CAUTION:Do not touch the connectors of the memory module or computer.Memory access trouble may arise from foreign matter adhering to the connectors.2. Secure the memory module with one thin-head M2.5 screw.
3. Place the keyboard.  The keyboard has tabs on the front, so install it by inserting from
the front, taking care to not bend the flexible cable.
4. Secure the keyboard with one M2x4 screw.
5. Replace the keyboard brace and press to engage the latches. 
						

							4.6  Keyboard4  Replacement Procedures4-14Libretto 50CT/70CT Maintenance Manual4.6 KeyboardRemoving the KeyboardTo remove the keyboard, follow the steps below and refer to Figure 4-10.
1. Turn the computer off. Disconnect the AC adapter and any optional units from the
computer. Remove the battery as described in Section 4.2.
2. Release the keyboard brace at six points by lifting it from right to left. Remove the
keyboard brace.
3. Remove one M2x4 screw that secures the keyboard.
NOTE: The keyboard brace and M2x4 screw may have already been removed inSection 4.5, Optional Memory Module.4. Raise the keyboard toward the display to access the keyboard cable.
5. Remove two M2x3 silver screws from the keyboard straps on the right and left.
6. Disconnect the flexible cable from PJ6 and remove the keyboard.Figure 4-10  Keyboard removal 
						

							4  Replacement Procedures4.6  KeyboardLibretto 50CT/70CT Maintenance Manual4-15Installing the Keyboard
To install the keyboard, follow the steps below and refer to Figure 4-10.1. Connect the flexible cable to PJ6.
2. Replace two M2x3 silver screws that secure the keyboard straps.
3. Place the keyboard by inserting the tabs on the bottom of the keyboard into the
corresponding holes in the base, taking care not to bend the flexible cable.
4. Secure the keyboard with one M2x4 screw.
5. Replace the keyboard brace.
NOTE: If you are installing an optional memory module, do that procedure first.6. Replace the battery as described in Section 4.2. 
						

							4.7  Display Assembly4  Replacement Procedures4-16Libretto 50CT/70CT Maintenance Manual4.7 Display AssemblyRemoving the Display AssemblyTo remove the display assembly, follow the steps below and refer to Figures 4-11 to 4-14.
1. Remove the battery, optional PC card, HDD, optional memory module, and keyboard
as described in Sections 4.2 through 4.6.
2. Remove two thin-head M2.5 screws, and then the metal cover.Figure 4-11  Metal cover removal 
						

							4  Replacement Procedures4.7  Display AssemblyLibretto 50CT/70CT Maintenance Manual4-173. Disconnect the display flexible cable from PJ3 on the system board.Figure 4-12  Display flexible cable removal
4. Close the display, turn the computer upside down, and remove five M2x14 silver
screws.Figure 4-13  Five screws removal
5. Turn the computer back over and open the display. 
						

							4.7  Display Assembly4  Replacement Procedures4-18Libretto 50CT/70CT Maintenance Manual6. Lift up to remove the display assembly.
CAUTION:Be sure that the flexible cable has been disconnected from PJ3 on thesystem board before removing the display assembly.  An attempt to forciblyremove the display assembly when the flexible cable is still connected to PJ3 mayresult in a broken flexible cable.Figure 4-14  Display assembly removalInstalling the Display AssemblyTo install the display assembly, follow the steps below and refer to Figures 4-14 back through
4-11.
1. Connect the display flexible cable to PJ3 on the system board.
2. Place the display assembly onto the base.
3. Secure the metal cover with two thin-head M2.5 screws.
4. Close the display, turn the computer upside down, and secure the display with five
M2x14 silver screws.
5. Install the keyboard, optional memory module, HDD, optional PC card, and battery as
described in Sections 4.6 back through 4.2. 
						

							4  Replacement Procedures4.8  RTC BatteryLibretto 50CT/70CT Maintenance Manual4-194.8 RTC BatteryRemoving the RTC Battery
To remove the RTC battery, follow the steps below and refer to Figure 4-15.1. Remove the battery, optional PC card, HDD, optional memory module, keyboard,and
display assembly as described in Sections 4.2 through 4.7.
2. Disconnect the RTC battery cable from PJ4 on the system board and remove the
RTC battery.Figure 4-15  RTC battery removal
Installing the RTC BatteryTo install the RTC battery, follow the steps below and refer to Figure 4-15.
1. Connect the RTC battery cable to PJ4 on the system board.
2. Secure the RTC battery.
3. Install the display assembly, keyboard, optional memory module, HDD, optional PC
card, and battery as described in Sections 4.7 back through 4.2.