Chrome’s reset option can help when software has changed several browser settings. It is a larger step than correcting one website permission, and it is easier to assess if you record the problem before starting.

Write down the unexpected search engine, startup page or redirect and when it appears. Save any work open in browser tabs. Note essential extensions and the websites that need camera, microphone or other permissions, so you can restore a deliberate working setup afterwards.

Understand the reset boundary

Google says saved bookmarks and passwords are retained. The reset affects settings including search, homepage and startup behaviour, pinned tabs, content permissions, cookies, extensions and themes. Google also describes changes applying on signed-in devices, so consider the other computers connected to the profile.

The option is under Settings, Reset settings, Restore settings to their original defaults. Read the confirmation before proceeding. This is not a complete erasure of every preference; Google specifically excludes some settings such as fonts and accessibility from a full reset.

Rebuild only what you need

Afterwards, check the original symptom before restoring every previous customisation. Reintroduce essential extensions deliberately and verify normal browsing after each relevant change. If the unwanted setting immediately returns, record the timing; repeatedly pressing Reset can hide useful evidence about the software or policy changing it.

Do not use reset as proof that a device is free of unwanted software. It addresses browser settings, while the source of a change may be elsewhere. On a work-managed computer, preserve the administrator’s controls and describe the symptom to the person responsible for the device.

Source: Google Chrome Help.