The method to remove the default search box of IE7 in Lenovo notebook VISTA is as follows:

1. Open the Registry Editor: This can be done by entering "regedit.exe" in the search box of the start menu or at the same time Press Win key + R and enter "regedit.exe" in the run box.

2. Find the "HKEY_CURRENT_USER \\Software \\Policies \\Microsoft \\Internet Explorer \\Infodelivery \\Restrictions" branch. If the branch does not exist, create it.

3. Create a DWORD (32-bit) registry key named "NoSearchBox" and set the "NoSearchBox" value to "1".

4. In this way, when you reopen IE7, you will find that the default search box has disappeared.

5. If you change the value of "NoSearchBox" to "0" and reopen IE7, you will find that the search box that was removed is back.

Note: The above operations are only valid for the current user. If you want to change the settings of the entire system, the corresponding registry keys to be modified are located in "HKEY_LOCAL_MACHINE \\Software \\Policies Microsoft \\Internet Explorer \\Infodelivery Restrictions". Note: There are certain risks in modifying the registry. Please inform users that there are risks in modifying the registry.

Lenovo Notebook refers to the portable laptop computer produced by Lenovo Group. Lenovo Group was founded in 1984 by the Institute of Computing Technology of the Chinese Academy of Sciences with an investment of 200,000 yuan and 11 scientific and technical personnel. Today, it has developed into a large enterprise group with diversified development in the information industry. Lenovo is headquartered in Raleigh, USA (Purchase), and established a global R&D structure with three R&D bases in Beijing, China, Tokyo, Japan, and Raleigh, the United States. Through Lenovo's own sales organization, Lenovo business partners and the alliance with IBM, the new Lenovo sales network spans the world.