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 wi
In the recently held CES 2014 exhibition, Lenovo brought us a new ThinkPad X1 Carbon, and in the shortcomings of the previous product to improve, the new generation of ThinkPad X1 Carbon from the perfect ultra-polar goal is a step further. In terms of appearance, the new bre
Lenovo E430 used a mobile hard drive as a system to start for a few days and used the Department's computer for a business trip. However, I did not like the software installed in the Department's notebook and could not uninstall it, even if I use a mobile hard disk as a system, start it from my mobile
6. Point to Path: After extracting the AHCI driver root directory
7. Installation success: Click Finish
8. Reboot prompts, click "Yes" to restart the computer
9. The following figure is the Device Manager interface after the installation is complete
After 8 Series (Intel 7 chipset)
1. Open Device Manager. Right-click the standard dual-channel PCI IDE control
Some hard disks may find an "(OB) attempt to recalibrate" alert when using the instrumentation tool, as shown in the following illustration:
Interpretation: Calibration retry count, refers to the head read failed, retract the number of times to read and write, and not all the manufacturer's hard disk has this parameter.
This behavior typically occurs because of the following:
1, the use of
Failure diagram:
Reason Analysis:
1, the physical hard drive has an incorrect master boot record (MBR);
2, the basic input/output system (BIOS) did not detect the hard drive;
3, the hard disk was damaged;
Reminder: Some third party programs or disk damage can a
1. Before replacing the failure disk, confirm the operation status of the bad disk again.
2. Verify the status of the relevant LUNs and RAID group before replacing the failed disk.
You must wait for the rebuilding to complete before continuing.
3. If a failed disk is already present and the hot spare is rebuilding (rebuild) RAID, you can replace the failed disk during the rebuild.
If the rebuild completes, flare copies the reconstructed data from the hot spare back to (equalize) the newly re
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