Lenovo G555 Support Question
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Question posted by itbrooke on August 6th, 2014
How To Remove Cmos Battery Lenovo G555
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Related Lenovo G555 Manual Pages
Lenovo G455/G555 UserGuide V1.0 - Page 37
... the computer over . 3 Unlock the manual battery latch a. Any other battery could ignite or explode.
To replace the battery 1 Turn off the computer, or enter hibernation mode. Chapter 6.
Hold the spring-loaded battery latch in the unlocked
position b, remove the battery pack in this chapter are of the Lenovo G555, unless otherwise stated. • The following steps...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 3
... Power management 25 Screen blank mode 25 Sleep (standby) mode 25 Hibernation mode 26
Lenovo G555 27 Specifications 27 Status indicators 29 Fn key combinations 31 FRU replacement notices 32
Screw notices 32 Removing and replacing an FRU 33
1010 Battery pack 34 1020 Dummy cards 35 1030 Hard disk drive (HDD) slot cover...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 25
... acceptable, do the following: •• Replace the system board. •• If the problem continues, go to "Lenovo G555" on page 27. If the voltage is not correct, replace the AC adapter. 4. Remove the battery pack. 3.
See the
following power supply checkouts: •• "Checking the AC adapter " on page 21 ••...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 26
... recharge it may not be able to 100% of the total power remains; Turn off , replace the battery pack.
Lenovo G555 Hardware Maintenance Manual
Perform operational charging. If the charge indicator still does not light on . Remove it ), and the percentage of the Windows® taskbar and wait for a while. under this condition the...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 31
... 2x2GB (DDR2 800MHz)
CMOS RAM
• 512 bytes...Lenovo G555
Lenovo G555
This chapter presents the following product-specific service references and product-specific parts information: •• "Specifications" on page 27 •• "Status indicators" on page 29 •• "Fn key combinations" on page 31 •• "FRU replacement notices" on page 32 •• "Removing...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 37
... computer until you have made sure that all power cords from electrical outlets, remove the battery pack, and then disconnect any of damaging parts. 2. An untrained person runs... square callouts. 5. Lenovo G555
Removing and replacing an FRU
This section presents exploded figures with one hand or using an electrostatic discharge (ESD) strap (P/N 6405959) to remove potential shock reasons.
33...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 38
... Lenovo G555 Hardware Maintenance Manual
1010 Battery pack
DANGER Only use the battery specified in the locked position.
34 Removal steps of the slot. Figure 1. Holding the battery release lever in the unlocked position 2, remove the battery pack in the direction shown by arrow 3.
1
3
1
2
2
When installing: Install the battery pack along the slide rails of battery pack
Unlock the battery...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 39
Removal steps of dummy cards
Remove two dummy cards in the direction shown by arrows 1 2.
1 2
35 Lenovo G555 1020 Dummy cards
For access, remove this FRU: •• "1010 Battery pack" on page 34 Figure 2.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 40
.... The hard
disk drive is in the direction shown by arrow 2.
1 1 2
36 Remove the HDD slot cover in suspend mode. Lenovo G555 Hardware Maintenance Manual
1030 Hard disk drive (HDD) slot cover and HDD
For access, remove this FRU: •• "1010 Battery pack" on page 34
Attention: • Do not drop the hard disk...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 42
.../CPU compartment cover
Note: Loosen the screws 1, but do not remove them. Remove the Memory/Wireless module/CPU compartment cover in the direction
shown by arrow 2.
1 1
2
38
Lenovo G555 Hardware Maintenance Manual 1040 Memory/Wireless module/CPU (central processing unit) compartment cover
For access, remove this FRU: •• "1010 Battery pack" on page 34 Figure 4.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 43
... by arrow 2, then pull the optical drive out in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment
cover" on page 38
Figure 5. Lenovo G555
1050 Optical drive
For access, remove these FRUs in the direction shown by arrow 3.
1
Step
1
Screw (quantity) M2...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 44
... to be installed in SLOT-0 ( a : lower slot), but not in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment
cover" on...and pivot it until it is used on page 38 Figure 6. Lenovo G555 Hardware Maintenance Manual
1060 DIMM
For access, remove these FRUs in SLOT-1 ( b : upper slot). Make sure that it snaps ...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 45
Lenovo G555
1070 Fan assembly and Heat Sink assembly
For access, remove these FRUs in the direction shown by arrow 4.
2
3 3
1 1
3
31
4
When installing...;cm 2.0~2.5 kgf·cm
41
Removal steps of fan assembly and heat sink assembly
Note: Remove three screws 1, one screw 2 and four spring screws 3. Unplug the connector in order: •• "1010 Battery pack" on page 34 •...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 48
...of rough handling. Lenovo G555 Hardware Maintenance Manual
1080 CPU
For access, remove these FRUs in the direction shown by arrow b to release the lock, then remove the CPU in ...the direction shown by arrow 2.
1
a b
2
When installing: Place the CPU on the CPU socket in the direction shown by arrow a , and then rotate the head of the screw in order: •• "1010 Battery...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 49
... for wireless LAN/WAN
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment
cover" on page 38 Figure 9. wireless LAN card in some models may have 3 cables in step 1. Lenovo G555
1090 PCI Express Mini Card for...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 51
Removal steps of Keyboard cover and power board
Remove the screws 1.
1 1 1 1
Step
1
Screw (quantity) M2.0 × 2.5 mm, flat-head, nylon-coated (4)
Color Black
Torque 1.0~1.5 kgf·cm
47 Figure 10. Lenovo G555
1100 Keyboard cover and power board
For access, remove this FRU: •• "1010 Battery pack" on page 34
Note: Power board is attached to the keyboard cover.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 54
Removal steps of keyboard
Remove the screws 1.
1 1 1 1
Step
1
Screw (quantity) M2.0 × 2.5 mm, flat-head, nylon-coated (4)
Color Black
Torque 1.0~1.5 kgf·cm
50 Lenovo G555 Hardware Maintenance Manual
1110 Keyboard
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1100 Keyboard cover and power board" on page 47 Figure 11.
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 56
... 2.
1
2
1
Step
1
Screw (quantity) M2.5 × 8 mm, flat-head, nylon-coated (2)
Color Black
Torque 2.0~2.5 kgf·cm
52 Lenovo G555 Hardware Maintenance Manual
1120 LCD unit
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment
cover" on page...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 60
... screws 1 and three screws 2 on page 52
Figure 13. Lenovo G555 Hardware Maintenance Manual
1130 Keyboard bezel
For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1040 Memory/Wireless module/CPU (central processing unit) compartment
cover" on page 38 •• "1090 PCI Express Mini ...
Lenovo G555 Hardware Maintenance Manual V2.0 - Page 64
Lenovo G555 Hardware Maintenance Manual
1140 System board
Important notices for wireless LAN/WAN" on page 45 •• "1100 Keyboard...8226; "1120 LCD unit" on page 52 •• "1130 Keyboard bezel" on page 56 Figure 14. For access, remove these FRUs in order: •• "1010 Battery pack" on page 34 •• "1030 Hard disk drive (HDD) slot cover and HDD" on page 36 •...
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