CMOS Battery:
Knowing your specific laptop model is crucial. It will help you find the right replacement battery and replacement instructions.
Yes, you can replace the battery at home. Watching related videos will be helpful.
Search online for your laptop model + "CMOS battery replacement" or "BIOS battery replacement". You should find a user manual or video tutorial that walks you through the process.
You may consider buying online or, computer retailer shops.
USB issue:
Test the ports with a different mouse, flash drive, or other USB device.
In Device Manager, right-click on the malfunctioning USB ports, select "Uninstall device", and check the box to "Delete the driver software for this device". Then, restart your computer. Windows will automatically reinstall the drivers.
- Visually inspect the USB ports for any physical damage or debris.
- If the above steps don’t resolve the issue, the USB ports may have a hardware fault that requires professional repair.