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|Affects parts=MEC1633 | |Affects parts=MEC1633 | ||
|Needs equipment=Soldering Iron; Glasgow Interface Explorer (or other EC programmer) | |Needs equipment=Soldering Iron; Glasgow Interface Explorer (or other EC programmer) | ||
|Type=Soldering, Software | |||
|Difficulty=3. Hard | |Difficulty=3. Hard | ||
}} | }} | ||
Revision as of 20:54, 14 January 2024
| Thinkpad T490 Bios Password Removal | |
|---|---|
| Device | Thinkpad T490 |
| Affects part(s) | MEC1633 |
| Needs equipment | Soldering Iron; Glasgow Interface Explorer (or other EC programmer) |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering, Software |
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Problem description
This guide describes how to remove a Power-On / Supervisor / System Management Password that the laptop might ask for during boot, or while entering setup.
This guide does not apply to hard-drive passwords.
Symptoms
- The screen shows the BIOS password icon (Figure 1)
- The screen must not show the HDD password icon (Figure 2)
Solution
If the issue has a single, specific solution, provide it in this section and delete the sub-headers below. Otherwise, if there are multiple potential causes for the problem, outline the process of identifying the root cause and offer corresponding solutions below.