What a reinstall changes
A fresh Windows installation may supply basic drivers automatically, but some integrated functions or model-specific controls may remain unavailable. This page starts after a supported Windows installation is complete; it does not provide operating-system installation or data-backup instructions. Check the laptop maker's OS support before installing a different release.
A low-resolution display or missing Wi-Fi control does not mean that every entry on the support page must be installed. List the specific failures first and distinguish a missing device from a missing companion utility.
Restore deliberately
Open Device Manager and record unknown devices and warning icons. Check Settings > System > About for the installed Windows version and architecture. If the laptop has no internet, use an official, exact-model network package obtained on another trusted device and moved using trusted media, or use a supported wired connection. Do not use an unverified driver bundle.
Once connected, run Windows Update and review relevant offered drivers. Consult the maker's exact-model support page for any outstanding chipset, platform, input or hotkey features; follow a documented installation sequence if provided. Keep track of what was installed, its version and whether a restart was requested.
- Inventory missing devices and note their hardware IDs if labels are vague.
- Restore an available supported network path before fetching more packages.
- Apply relevant Windows and maker packages in the prescribed order.
- Test Wi-Fi, input, audio, sleep and external ports.
If a device remains unknown
Expected result is that the needed functions work and Device Manager no longer reports unresolved devices relevant to them. If an unknown device remains, compare its hardware IDs with the maker's support information; do not assign a driver by guessing its category. A device absent from both Windows and the maker's diagnostics may require service.
A reinstall does not undo hardware failure. If the original reinstall was prompted by repeated crashes or storage errors, preserve diagnostic evidence and seek official support rather than assuming missing packages explain the earlier problem.
Suppose Wi-Fi is missing but Ethernet works: use the working path for Windows Update and the model page, then identify the internal wireless variant if more than one appears. Suppose the touchpad moves but a keyboard brightness shortcut does not: Windows already has basic input support, so look for model-specific hotkey documentation instead of replacing all keyboard entries. Record these as separate outcomes. If a package restores one feature but leaves another missing, continue from that remaining symptom rather than replaying the entire installation sequence.