Win7 prompts this Windows copy is not a genuine 7601 solution

Solution:
1. Pre-installed system computer, if used activation software, will cause the system activation information to be lost, resulting in the computer The system prompts this error.
Suggestion: You can back up the data and then use the one-click recovery function of the machine to perform initial backup recovery. After recovery, do not use third-party software to activate.
2. Pre-installed system computer, if the activation information of the pre-note in the motherboard is lost after replacing the motherboard, it will also prompt this error.
Suggestion: You can bring your computer to Lenovo's authorized service network to refresh the BIOS.
3. Pre-installed system computer, this problem occurs if you install a trial version of Windows 7 Service Pack 1 (SP1) on a Windows 7-based computer.
Suggestion: You can click the “Start” button, then click on the Control Panel, click Uninstall, then click on the left to view the installed updates, then find the kb976932 patch, right click and uninstall to install the update.
4. Pre-installed system, if you install office and use the software to activate the office, it will lead to the activation of the office and the activation of the system itself, which causes the system itself to prompt this error.
Suggestion: You can back up the data, and then use the one-click recovery function of the machine to perform initial backup and recovery. After the recovery, install the genuine office to use.