Failure phenomenon:
Lenovo Security Bulletin: LEN-9458
Potential impact: After running the Security cleanup utility, it is possible to recover drive data.
Severity: Medium
Impact Range: Lenovo-specific products
Summary description:
The Toshiba firmware used to clear the data on the following SSD does not conform to the Lenovo specification and is now determined to run the ThinkPa
The ThinkPad notebook brushes the BIOS tutorial currently has two ways:
CD-ROM boot refresh BIOS method
Second, the operating system to refresh the BIOS method
Tips:
There is a significant risk of a BIOS refresh upgrade, please proceed with caution.
Before refreshing, t
Many buy Lenovo's ThinkPad series to set up the U-disk, but give up the machine because of a complete crash. Faced with this problem, the solution is not difficult, we can follow the small set together to understand the Lenovo ThinkPad series notebook into the BIOS setup U disk start tutorial.
But before setting up the U disk to reload the system, many small part
Some of the Skylake platform's ThinkPad models, such as X1 Carbon, X1 Yoga, and so on, may encounter secureboot in the BIOS that cannot be turned off and cannot change OS optimized Default, boot, network boot, Uefi/legacy Boot and other options;
An optional state that is gray, as shown in the figure:
Reason Analysis:
Starting with Windows 10, Microsoft introduced a new sec
Fault symptom:The BIOS version of Helix 2 is updated from 1.80 to 1.82. After restart, the "Flash Authentication Verification Failure" error message may be displayed. Then, the system shuts down and the BIOS update fails.Affected models: ThinkPad Helix 2 (20CG and 20CH)Affected system: AllSolution:When the BIOS
Lenovo's ThinkPad series notebooks are generally press F1 into the BIOS, but since most of the Lenovo notebook is pre-installed win 8 or higher version of the system, so sometimes there is no way to directly press F1 into the BIOS. The reason is because the fast boot setting is enabled in the win 8 or later system, which is because the system is booting too fast,
Failure phenomenon: after the machine closed to sleep and then wake up, found the mouse on the AC icon, the lower right corner of the battery status show "connected, not charging" as shown in the following image:
But the actual battery can be charged normally, with a mouse click or wait for 1-2 minutes, again to see the battery status shown normal, as shown in the following figure:
Impact Models:
ThinkPad E440, E540Impact System:
Microsoft Win
Lenovo ThinkPad E420 installed SSD to the CD-ROM drive bit, the BIOS can not find, PE to find SSD.
Download old peaches PE version installed to U disk, start with U disk, enter WinPE, install system to SSD hard drive, reboot, BIOS can't find SSD hard drive, so will not start SSD system, only start original mechanical hard drive system.
Run the PE built-in boo
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