• The missing channels may not be available in your area. Check your coverage on the Freeview website: www.freeview.co.uk.
• Your antenna may need to be upgraded (signal power, position, orientation or cabling).
• A signal booster may be fitted on your antenna. Consider having this removed as amplifiers are normally not required after the digital switch over. A too high signal level can cause your HD receiver to skip some channels.
• If you have a SKY box, switch it to standby mode and then retune the terrestrial receiver. If it then receives all expected Freeview channels, then the modulator needs adjusting on your Sky box. Contact Sky to find out how to adjust the modulator.
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