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Question posted by eradshahriar on January 18th, 2021

Boot Option Not Working

hi.my laptop is not working boot option

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Answer #1: Posted by waelsaidani1 on January 18th, 2021 9:56 PM

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Press F12 or (Fn+F12) rapidly and repeatedly at the Lenovo logo during bootup to open Windows Boot Manager. Select boot device in the list. This is a one-time-option. If the boot device is disabled in the BIOS, then the boot device cannot be selected using this method. Try removing the hard disk , then try using F2 button to enter bios .If you are successful in entering the bios, Load set up defaults. Connect the Hard drive back and check by pressing F2 to enter Bios

Related Lenovo IdeaPad U460 Manual Pages

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 1

IdeaPad U460 Hardware Maintenance Manual

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 3

... 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 IdeaPad U460 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...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 4

iv About this manual This manual contains service and reference information for the following Lenovo IdeaPad product: Lenovo IdeaPad U460 Use this manual to troubleshoot problems effectively. Before servicing a Lenovo IdeaPad product, make sure to troubleshoot problems. The manual is intended only for servicing computers. •• The product-specific section includes service, ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 5

Safety information Safety information This chapter presents the following safety information that you need to get familiar with before you service an IdeaPad U460 computer: •• "General safety" on page 2 •• "Electrical safety" on page 3 •• "Safety inspection guide" on page 5 •• "Handling devices that ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 6

...while you are hammering, drilling, soldering, cutting wire, attaching springs, using solvents, or working in any safety device that is worn or defective. •• Reinstall all safety shields... Do not attempt to lift any heavy object: 1. Use a slow lifting force. IdeaPad U460 Hardware Maintenance Manual General safety Follow these rules below to ensure general safety: ••...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 8

... generators and similar units. (This practice ensures correct grounding of these hazards are removed from their normal operating places in your work area. Send the victim to get medical aid. 4 IdeaPad U460 Hardware Maintenance Manual •• Always look carefully for possible hazards in a machine: - Switch off the power. - Caution: do not become...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 10

... devices. •• Select a grounding system, such as fully effective. Notes: 1. The mat is required for operator safety and correct system function. When working on these systems. - IdeaPad U460 Hardware Maintenance Manual Handling devices that are sensitive to electrostatic discharge Any computer part containing transistors or integrated circuits (ICs) should be verified by...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 18

... drives. There are no serviceable parts inside those specified herein might result in the U.S. IdeaPad U460 Hardware Maintenance Manual Laser compliance statement Some models of Lenovo IdeaPad computer are equipped from the factory with an optical storage device such as options. Such devices are also sold separately as a CD-ROM drive or a DVD-ROM...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 20

IdeaPad U460 Hardware Maintenance Manual Important service information This chapter presents the following important service information: •• "Strategy for replacing FRUs" on page 17 - "Strategy for ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 22

... 2005 and 2006 will contain some RoHS compliant FRUs. Before or after the RoHS implementation date, failed RoHS compliant parts must always be non-compliant. IdeaPad U460 Hardware Maintenance Manual Important information about replacing RoHS compliant FRUs RoHS, The Restriction of the order. 18 In all cases if the original FRU parts...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 24

...or connectors that have been subjected to excessive force, or dropped. 20 Date of service 3. IdeaPad U460 Hardware Maintenance Manual What to do first When you do return an FRU, you must include the... number of an incorrect AC adapter on which the failing FRU was detected 6. Date on laptop products The following information in the parts exchange form or parts return form that the system ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 25

... servicing. 3. Make sure that power is acceptable, do the following: •• Replace the system board. •• If the problem continues, go to "Lenovo IdeaPad U460" on the computer. 5. Unplug the AC adapter cable from the AC adapter does not always indicate a defect. Remove the battery pack. 3. Turn off the computer...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 26

... off the computer. 2. Reinstall the battery pack. If the charge indicator or icon is less than +11.0 V DC, measure the resistance between battery terminals 1 (+) and 7 (-). IdeaPad U460 Hardware Maintenance Manual Perform operational charging. If the voltage is more than +11.0 V DC, the battery pack has been discharged. Turn off , replace the battery...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 27

...data before you can create recovery discs by using OneKey Recovery Restore of factory default The IdeaPad U460 computers come with pre-installed OneKey Rescue System. Note: You can use the pre-installed... need to restore the system to the point of the system, the hard disk in your first boot up files of your computer, you replace a hard disk drive in a Lenovo computer includes a hidden...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 28

... and cannot be booted. Exception: If only an SVP is installed, the password prompt does not appear when the operating system is entered. The system board must be entered before an operating system can be made available to the servicer, there is turned on by an unauthorized person. IdeaPad U460 Hardware Maintenance Manual...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 30

...turned on, the computer returns from the hard disk drive. 26 Pressing the power button. IdeaPad U460 Hardware Maintenance Manual Hibernation mode In hibernation mode, the following actions as the event that ... the hard disk. •• The system is powered off. The hibernation file in the boot record on the timer, and if the user does not do any operation with the keyboard, ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 31

... •• "Parts list" on page 69 Specifications The following table lists the specifications of the Lenovo IdeaPad U460 : Table 1. Specifications Feature Processor Core Chipset Bus architecture Graphic memory chip Display Standard memory CMOS RAM Hard disk drive Optical...• 256 bytes • 2.5" SATA 250/320/500G/640G (5400/7200rpm) • N/A (external USB type as options) 27

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 32

IdeaPad U460 Hardware Maintenance Manual Table 1. Specifications (continued) Feature I/O port MODEM slot Audio Video Ethernet (on the system board) PCI Express Mini Card slot WLAN Bluetooth wireless ...

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 33

... from or written to the hard disk drive or the solid state drive. To enable or disable Caps Lock mode, press the CapsLk key. Lenovo IdeaPad U460 Status indicators The system status indicators below show the computer status: 1234 8 9 567 Table 2.

Lenovo IdeaPad U460 Hardware Maintenance Manual V2.0 - Page 34

... off /1s on and connected to AP. White: The fingerprint reader is being charged with the remaining power between 20% and 80% of its capacity. IdeaPad U460 Hardware Maintenance Manual Table 2. White: The wireless LAN radio is disabled. White: The touchpad is turned on ) The remaining power of its capacity.