Acer Aspire 7715z Service Guide

							Chapter 351
Removing the DIMM Modules
1.See “Removing the Lower Covers” on page 48.
2.Push out the release latches on both sides of the DIMM socket to release the DIMM module. 
3.Remove the DIMM module. 
4.Repeat steps for the second DIMM module if present. 
						

							52Chapter 3
Removing the WLAN Module
1.See “Removing the Lower Covers” on page 48.
2.Remove the adhesive tape securing the Antenna cables in place.
3.Disconnect the antenna cables from the WLAN Board. 
NOTE: Cable placement is Black to the MAIN terminal (upper) and White to the AUX terminal (lower). 
						

							Chapter 353
4.Move the antenna away and remove the two screws to release the WLAN Board. 
 
5.Detach the WLAN Board from the WLAN socket. 
NOTE:  When reattaching the antennas, ensure the cables are tucked into the chassis to prevent damage.
StepSizeQuantityScrew Type
WLAN Module M2*3 2 
						

							54Chapter 3
Removing the Hard Disk Drive Module 
1.See “Removing the Lower Covers” on page 48.
2.Using the pull-tab, slide the HDD Module in the direction of the arrow to disconnect the interface.
3.Lift the HDD Module clear of the HDD bay.
NOTE: To prevent damage to device, avoid pressing down on it or placing heavy objects on top of it.  
						

							Chapter 355
4.Remove the four screws (two each side) securing the hard disk to the carrier.
5.Remove the HDD from the carrier.
StepSizeQuantityScrew Type
HDD Carrier M3*3 4 
						

							56Chapter 3
Main Unit Disassembly Process
Main Unit Disassembly Flowchart
Screw List
StepScrewQuantityPart No.
LCD Module M2.5*8 2 86.N2802.003
LCD Module M2.5*8 4 86.N2802.003
Upper Cover M2.5*8 11 86.N2802.003
Upper Cover M2.5*8 9 86.N2802.003
Power Board M2*3 2 86.N2802.006
Left Speaker Module M2*3 1 86.N2802.006
Right Speaker Module M2*3 1 86.N2802.006
TouchPad Bracket M2*3 2 86.N2802.006
Mainboard M2.5*4 1 86.N2802.001
Thermal Module M1.98*3.0 4 86.N2802.004
CPU Fan M2*3 3 86.N2802.006
Rem ove
Mainboard
Rem ove
Switch CoverRem ove
Keyboard
Rem ove
Upper Cover
Rem ove
LCD Module
Rem ove
Power Board
Remove External
Modules before
proceeding
Rem ove
TouchPad
Bracket
Upper
CoverLower
Cover
Rem ove
Left Speaker
Module
Rem ove
CPU
Rem ove
RTC BatteryRem ove
Thermal Module
Rem ove
Right Speaker
Module
Rem ove
CPU Fan 
						

							Chapter 357
Removing the Switch Cover
CAUTION: Using metal tools to remove the Switch Cover may cause damage to the outer casing. The use of 
plastic tools or fingers is recommended to remove the Switch Cover.
1.See “Removing the Battery Pack” on page 46.
2.Turn the computer over. Press down the / and * keys on the right side of the Keyboard to expose the cutout. 
Insert a suitable plastic tool (or finger) and pry the Switch Cover upward, away from the Upper Cover.
3.Work along the Switch Cover toward the left hinge, gently prying up the cover as shown.
4.Lift the Switch Cover clear of the computer. 
						

							58Chapter 3
Removing the Keyboard
1.See “Removing the Switch Cover” on page 57.
2.Pry up the centre of the Keyboard and rotate it upward away from the Upper Cover.
3.Turn the keyboard over on to the TouchPad area to expose the FFC connector.
4.Open the locking latch and disconnect the FFC from the mainboard.
5.Lift the keyboard clear of the Upper Cover. 
						

							Chapter 359
Removing the LCD Module
1.See “Removing the Keyboard” on page 58.
2.Turn the computer over. Remove the two securing screws from the bottom of the chassis.
3.Remove the Antenna Cables from the cable channel as shown. Ensure that the cables are free from all cable 
clips.
StepSizeQuantityScrew Type
LCD Module M2.5*8 2 
						

							60Chapter 3
4.Stand the computer on the LCD Panel and pull the Antenna cables completely through the chassis.
5.Disconnect the LCD cable from the Mainboard and remove the cable from the cable channel.
6.Remove the white Antenna cable from the cable channel. Ensure that the cable is completely free of the 
retaining clips all the way to the hinge well.