81Chapter 6. TroubleshootingWhen booting the PC with the input source set toDisplayPort, the BIOS and booting screens do not appear.Boot the PC when the set is turned on or when the input source is not DisplayPort.Frequently asked questionsRefer to the user manual for your PC or graphics card for further instructions on adjustment.Question AnswerHow can I change the frequency? Set the frequency on your graphics card.• Windows 7: Go to Control Panel → Appearance and Personalization → Display → Adjust resolution → AdvancedSettings → Monitor and adjust the frequency in Monitor Settings.• Windows 8: Go to Settings → Control Panel → Appearance and Personalization → Display → Adjust resolution →Advanced Settings → Monitor and adjust the frequency in Monitor Settings.• Windows 10: Go to Settings → System → Display → Advanced display settings → Display adapter properties →Monitor, and adjust Screen refresh rate under Monitor settings.How can I change the resolution? • Windows 7: Go to Control Panel → Appearance and Personalization → Display → Adjust Resolution and adjust theresolution.• Windows 8: Go to Settings → Control Panel → Appearance and Personalization → Display → Adjust Resolutionand adjust the resolution.• Windows 10: Go to Settings → System → Display → Advanced display settings, and adjust the resolution.How do I set power saving mode? • Windows 7: Set power saving mode in Control Panel → Appearance and Personalization → Personalization →Screen Saver → Change power settings or BIOS SETUP on the PC.• Windows 8: Set power saving mode in Settings → Control Panel → Appearance and Personalization → Personalize→ Screen Saver Settings or BIOS SETUP on the PC.• Windows 10: Set power saving mode in Settings → Personalization → Lock screen → Screen timeout settings →Power & sleep or BIOS SETUP on the PC.