After the POST ends, the password prompt does not appear. The POP has been removed.

5.Reinstall the backup battery and the battery pack.

(B) If an SVP has been set and is known by the service technician:

1.Turn on the computer.

2.When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility.

For models supporting the Passphrase function, press F1 while the POP icon is appearing on the screen; then enter the POP. For the other models, enter the POP.

Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If the Using Passphrase item is displayed in the menu, this function is available on the ThinkPad Notebook.

3.Select Security, using the cursor directional keys to move down the menu.

4.Select Password.

5.Select Power-On Password.

6.Type the current SVP in the Enter Current Password field. then leave the Enter New Password field blank, and press Enter twice.

7.In the Changes have been saved window, press Enter.

8.Press F10; then, in the Setup confirmation window, select Yes.

How to remove the hard-disk password

Attention: If User only mode is selected and the user HDP has been forgotten and cannot be made available to the service technician, neither Lenovo nor Lenovo authorized service technicians provide any services to reset the user HDPs or to recover data from the hard disk drive. The hard disk drive can be replaced for a scheduled fee.

To remove a user HDP that has been forgotten, when the SVP and the master HDP are known, do the following:

1.Turn on the computer.

2.When the ThinkPad logo comes up, immediately press F1 to enter BIOS Setup Utility.

For models supporting the Passphrase function, press F1 while HDP icon is appearing on the screen; then enter the master HDP. For the other models, enter the master HDP.

Note: To check whether the ThinkPad Notebook you are servicing supports the Passphrase function, enter the BIOS Setup Utility and go to Security --> Password. If Using Passphrase item is displayed in the menu, this function is available on the ThinkPad Notebook.

3.Select Security, using the cursor directional keys to move down the menu.

4.Select Password.

5.Select Hard-diskx password, where x is the letter of the hard disk drive. A pop-up window opens.

6.Select Master HDP.

58ThinkPad SL410, L410, SL510, and L510 Hardware Maintenance Manual

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Lenovo SL510, 28472JU, SL410, 28472PU manual How to remove the hard-disk password, Select Power-On Password, Select Master HDP
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28472QU, 28472PU, L410, SL510, SL410 specifications

Lenovo has long been synonymous with quality and performance in the realm of personal computing, and their lineup includes an array of dependable machines tailored for various user needs. Among these devices are the Lenovo L510, SL510, and their corresponding variants, such as the L510 28472JU, SL510 28472PU, and 28472QU. These models are positioned as reliable tools for business professionals, students, and casual users alike, boasting a blend of performance, portability, and affordability.

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In summary, the Lenovo L510, SL510, and their specific variants stand out in Lenovo's product offering by combining reliable performance with user-friendly features. They cater to a wide audience looking for an effective balance of functionality, durability, and design, making them a worthy consideration for anyone in search of a dependable laptop.
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