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Question posted by laLor on September 5th, 2014

How To Remove Bios Password On Lenovo G555

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Answer #1: Posted by cooltechagent on September 6th, 2014 9:07 AM

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cooltechagent

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BIOS password can be removed by entering the master password which can be taken from lenovo technical support.

Thanks,
CoolAgent

Related Lenovo G555 Manual Pages

Lenovo G455/G555 UserGuide V1.0 - Page 37

... hibernation mode. Upgrading and replacing devices Notes: • The illustrations used in the direction shown by Lenovo. 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 about upgrading and replacing devices are the same...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 3

... factory default 23 Using recovery discs 23 Passwords 24 Power-on password 24 Supervisor password 24 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...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 6

... strain from walk areas so that other conditions that you are not in a hazardous position. •• Place removed covers and other parts in the moving parts of the object equally between your feet. 3. Lenovo G555 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: •• Observe a good...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 8

... safety grounds. •• Do not touch live electrical circuits with the power on when they are removed from their normal operating places in your work area. Power supply units - Caution: do not become a... of the units.) •• If an electrical accident occurs: - Lenovo G555 Hardware Maintenance Manual •• Always look carefully for possible hazards in a machine: -

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 20

Lenovo G555 Hardware Maintenance Manual Important service information This chapter presents the following important service information: •• "Strategy for replacing FRUs" on the customer support site: http://consumersupport.lenovo.com/. To download software fixes, drivers, and BIOS, follow the steps below: 1. Enter a serial number or select a product or use Lenovo smart downloading...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 24

... •• Improper disc insertion or use . Lenovo G555 Hardware Maintenance Manual What to do first When you do...blown by attachment of a nonsupported device •• Forgotten computer password (making the computer unusable) •• Sticky keys caused by...part number 7. Date of an incorrect AC adapter on laptop products The following are not covered under warranty and some...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 25

...do the following: •• Replace the system board. •• If the problem continues, go to "Lenovo G555" on the computer. 5. Checking operational charging To check whether the battery charges properly during operation, go to "Checking ... is not correct, replace the AC adapter. 4. Remove the battery pack. 3. Note: Noise from the computer. 2. Turn off the computer. 2.

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 26

Lenovo G555 Hardware Maintenance Manual Perform operational charging. If the battery status indicator or icon does not light on, remove the battery pack and let...hot, it from having a shortened life. under this condition the battery pack can charge to +14 7 Ground (-) 3. Remove it may not be able to be 4 to room temperature. See the following figure: Terminal Voltage (V DC) 3 4...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 27

..." on page 23 •• "Passwords" on page 24 •• "Power management" on the system partition (C drive), which is shipped. Make sure to the point of Create recovery discs, see the User Guide for OneKey Rescue System. 23 For details of factory default The Lenovo G555 computers come with pre-installed OneKey...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 28

... a scheduled fee. 24 The computer does not start until the password is booted. Power-on password A power-on password (POP) protects the system from being powered on password (POP) and the supervisor password (SVP). The system board must enter the SVP in the BIOS Setup Utility. Lenovo G555 Hardware Maintenance Manual When you use the recovery discs to...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 31

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 and replacing an FRU" on page...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 36

...even with shock or vibration. •• They are calibrated correctly following when you removed. Tighten screws as follows: •• Plastic to plastic Turn an additional 90&#... use new screws. •• Use a torque screwdriver if you have one . Lenovo G555 Hardware Maintenance Manual FRU replacement notices This section presents notices related to the torque shown in...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 37

... see "Locations" on page 32. 3. Verify this by the arrow in the procedures. Lenovo G555 Removing and replacing an FRU This section presents exploded figures with one hand or using an electrostatic ... the following general rules: 1. To put the new FRU in the figure. 7. DANGER Before removing any FRU, turn it , establish personal grounding by , electrostatic discharge. Begin by the numbers ...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 38

... 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 release lever 1. Then make sure that the battery release lever is in the parts list for your computer. Lenovo G555 Hardware Maintenance Manual 1010...

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

... mode. Improper handling can cause damages and permanent loss of HDD slot cover and HDD Note: Loosen the screws 1, but do not remove them. Figure 3. The hard disk drive is in the direction shown by arrow 2. 1 1 2 36 Lenovo G555 Hardware Maintenance Manual 1030 Hard disk drive (HDD) slot cover and HDD For access...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 41

Removal steps of HDD slot cover and HDD (continued) Pull the tab up in the direction shown by arrows 3 4 to remove the hard disk drive from the slot. 3 4 When installing: Make sure that the HDD connector is attached firmly. 37 Lenovo G555 Figure 3.

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 42

.../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. Removal steps of Memory/Wireless module/CPU compartment cover Note: Loosen the screws...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 43

... the direction shown by arrow 3. 1 Step 1 Screw (quantity) M2.5 × 8 mm, flat-head, nylon-coated (1) Color Black Torque 2.0~2.5 kgf·cm 2 3 39 Lenovo G555 1050 Optical drive For access, remove these FRUs in the direction shown by arrow 2, then pull the optical drive out in order: •• "1010 Battery pack" on page...

Lenovo G555 Hardware Maintenance Manual V2.0 - Page 44

Lenovo G555 Hardware Maintenance Manual 1060 DIMM For access, remove these FRUs in SLOT-1 ( b : upper slot). b a When installing: Insert the notched end of ..."1040 Memory/Wireless module/CPU (central processing unit) compartment cover" on both edges of the DIMM into the place. Removal steps of DIMM Release the two latches on page 38 Figure 6. Make sure that it snaps into the socket. Push...