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Question posted by Anonymous-171391 on May 25th, 2022

Lenovo B50-80 Laptop System Password Remove Kivabe Korbo..

System password remove

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Answer #1: Posted by SonuKumar on May 25th, 2022 9:20 PM

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Lenovo Regulatory Notice for wireless adapter (EU) - Lenovo B40-xx, B50-xx, B50-30 Touch, E40-xx Notebook - Page 1

.../N40‐30 • Lenovo B40‐70/N40‐70 • Lenovo B40‐45/N40‐45 • Lenovo B50‐30 • Lenovo B50‐30 Touch • Lenovo B50‐70/N50‐70 • Lenovo B50‐45/N50‐45 • Lenovo B40‐80 • Lenovo B50‐80 • Lenovo E4030 • Lenovo E4070 • Lenovo E4080 The following wireless...

Lenovo Regulatory Notice for wireless adapter (Non-EU) - Lenovo B40-xx, B50-xx, B50-30 Touch, E40-xx Notebook - Page 1

Lenovo Regulatory Notice for wireless adapter (US/Canada) - Lenovo B40-xx, B50-xx, E40-xx Notebook - Page 1

(English) User Guide - Lenovo B40-xx, B50-xx - Page 3

Model name Lenovo B40-30 Lenovo B40-70 Lenovo B40-45 Lenovo B50-30 Lenovo B50-30 Touch Lenovo B50-70 Lenovo B50-45 Lenovo N40-30 Lenovo N40-70 Lenovo N50-70 Lenovo N40-45 Lenovo N50-45 Lenovo B40-80 Lenovo B50-80 Lenovo N40-80 Lenovo N50-80 MT 20390, 80F1 20392, 80F3 20394, 80F5 20382, 80ES 20383, 80ET 20384, 80EU 20388, 80F0 20460, 80H4 20462, 80H6 20439, 80HA 20461, 80H5 20441, 80HC...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 3

... Passwords 24 Power-on password 24 Hard-disk password 24 Supervisor password 24 Power management 25 Screen blank state 25 Putting the computer to sleep or shutting it down 25 Lenovo B50-30/B50-30 Touch/B50-45/ B50-70/B50-80 27 Specifications 27 Status indicators 29 Fn key combinations 30 Hotkeys 30 FRU replacement notices 31 Screw notices 31 Removing...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 6

...other service representatives and the customer are not in a hazardous position. • Please remove covers and other conditions that is long, fasten it. • Insert the ends of... your sleeves are fastened or rolled up with labels or stickers. 2 Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Hardware Maintenance Manual General safety Follow the following rules to ensure general safety...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 7

...or unplug the power cord quickly. • Do not work with live electrical currents. Removing or installing main units • Before you . Ensure that another person, familiar with ...sections of mat to protect yourself from passing through your body. - Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Electrical safety Observe the following precautions: - Important: Use only approved ...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 8

Send the victim to get medical aid. 4 Power supply units - Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Hardware Maintenance Manual • Always look carefully for possible hazards in a...8226; Do not touch live electrical circuits with the power on when they are removed from their normal operating places in your work area. Use caution: do not become a victim yourself. -...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 9

...wire ground connector in identifying potential unsafe conditions. If any unsafe conditions are any non-Lenovo alterations. 7. Check the power cord for worn, frayed, or pinched cables. 9....removed or tampered with the power off the computer. This guide addresses only those items. You should be frayed or worn. 4. Begin the checks with . 5 Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 21

...); Attention: The drive startup sequence in effect. Before replacing the adapter or device, remove the FRUs one by one FRU, any kind. • Avoid bending the system .... Attention: The setup configuration on a system board are very sensitive. Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Use the following strategy to prevent unnecessary expense for replacing and servicing FRUs...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 23

Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 General checkout This chapter presents the following important notes: Important notes: • Only ...not to read the following information: • "What to do first" on page 20 • "Power system checkout" on removing and replacing FRUs. • When you replace FRUs, use new nylon-coated screws. • Be extremely careful during such write...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 24

Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80... button • Fuses blown by attachment of a nonsupported device • Forgotten computer password (making the computer unusable) • Sticky keys caused by spilling a liquid onto ...following are not covered under the warranty by the customer. Date on laptop products The following is covered under warranty and some symptoms that might...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 25

... problem persists, go to "Lenovo B50-30/B50-30 Touch/B50-45/B50-70/ B50-80" on page 21. Checking ...B50-30 Touch/B50-45/B50-70/B50-80 Power system checkout To verify a symptom, follow the steps below : 1. Measure the output voltage at the plug of the AC adapter for the AC adapter pin No. 2 may differ from the one you turn on , check the power cord of the AC adapter cable. Remove...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 26

...Power Meter icon in the icon tray of battery power remaining is displayed. Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Hardware Maintenance Manual Perform operational charging. Reinstall the battery pack. This protects...not be able to room temperature. If the charge indicator still does not light on , remove the battery pack and let it is still off, replace the battery pack. To get ...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 27

..., including the operating system, data files, software programs, and personal settings. Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Related service information This chapter presents the following information: • "Restoring the factory contents by using Recovery Disc Set" on page 23 • "Passwords" on page 24 • "Power management" on page 25 Restoring the...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 28

Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Hardware Maintenance Manual Passwords As many as three passwords may be needed for the user + Master HDP - The ...system can use it appears on the screen whenever the computer is available, neither Lenovo nor Lenovo authorized service technicians provide any of these passwords has been set . If any services to reset either the user or the...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 35

... following when you service this machine: • Keep the screw kit in the table. Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 FRU replacement notices This section presents notices related to the torque shown in your tool bag. • Remove screws carefully for each step. • Make sure that you use a screw that you...

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 39

Removal steps of optical drive (continued) Remove the two screws d and remove the optical drive bracket in the direction by arrow e . 25 4 Step d Screw (quantity) M2 x 3 mm, flat-head, nylok-coated (2) Color Torque Black 1.0~1.5kgf.cm 35 Lenovo B50-30/B50-30 Touch/B50-45/B50-70/B50-80 Figure 2.

Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebook - Page 55

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