It sounds like your Dell Latitude 5580 is having trouble booting up properly if it's stuck on the logo screen. Here are a few troubleshooting steps you can try to resolve the issue:
1. Hard Restart: Sometimes a simple hard restart can fix the issue. To do this, hold down the power button for about 10-15 seconds until the laptop powers off completely. Then, turn it back on and see if it boots up properly.
2. Check for External Devices: Disconnect any external devices such as USB drives, external hard drives, or peripherals that might be causing the issue. Sometimes these devices can interfere with the boot process.
3. BIOS Settings: Since you mentioned trying F2, it seems like you were trying to access the BIOS settings. You might want to try resetting the BIOS settings to default. To do this, access the BIOS by pressing F2 during startup, then look for an option to reset to default settings.
4. Boot into Safe Mode: Try booting into Safe Mode by repeatedly pressing the F8 key during startup. If you're able to get into Safe Mode, you can troubleshoot further from there.
5. Run Diagnostics: Dell laptops usually come with built-in diagnostics tools that can help identify hardware issues. You can access these diagnostics by pressing F12 during startup and selecting the diagnostics option.
6. Recovery Options: If none of the above steps work, you might need to consider using recovery options such as booting from a Windows installation USB or performing a system restore to a previous point when the laptop was working fine.
If you're still unable to resolve the issue, it might be a hardware problem, and you may need to contact Dell support or take the laptop to a professional technician for further diagnosis and repair.