TV Signal Problems Today: Troubleshoot Pixelation & Outages
If you’re experiencing TV signal problems today — black screens or pixelation — you’re not alone, and the cause might be simpler than you think. This guide walks through the most common reasons for signal loss, how to check for planned outages near you, and what you can do right now to get your picture back.
Planned maintenance in Kerry: May 5, 2026 (Knockmoyle transmitter, up to 1 hour outage) ·
Planned maintenance in Galway: May 14, 2026 (Casla transmitter, up to 2 hours outage) ·
Current outage reports: Check Downdetector.ie for RTÉ status ·
Freeview weather disruption: Weather can cause signal loss, especially heavy rain or wind
Quick snapshot
- Visit Saorview.ie for updates
- Check BBC transmitter faults
- Look at 2rn service updates
- Inspect coaxial cable connections
- Use a signal meter or TV’s built-in signal strength indicator
- Check if aerial is damaged or misaligned
- Heavy rain can cause signal drop
- Wind may move aerial
- Snow/ice can interfere
- Power cycle your TV and set-top box
- Ensure input source is correct
- Run a channel scan
Four key details, one pattern: most signal problems fall into planned outages, weather, or equipment issues. Here’s what official sources report for the coming weeks.
| Fact | Details |
|---|---|
| Planned outages in May 2026 | Knockmoyle transmitter (May 5), Casla transmitter (May 14) — Saorview (official service updates) |
| Downdetector RTÉ reports | Real-time status at downdetector.ie |
| BBC transmitter checker | Online tool to check local transmitter faults — BBC (reception guide) |
| Sky service status | Planned maintenance info at sky.com/help/servicestatus |
Why is there no signal on my TV today?
Why does my TV keep pixelating and losing signal?
- Check if all channels are affected. If only one or two are pixelated, the broadcaster may have a problem.
- Verify TV input source is correct — many people accidentally switch to HDMI 2 when HDMI 1 has the box. Freeview (consumer help hub)
- Restart the TV and set-top box. A simple power cycle resolves many temporary glitches.
Why is my TV signal so bad all of a sudden?
- Sudden signal loss often points to a loose coaxial cable. Satellite.ie (Irish TV support specialist) reports that loose connectors are the most common cause of missing channels.
- Interference from other electronics — try unplugging nearby devices one at a time.
- Aerial or dish misalignment due to wind — a common after-storm issue.
What this means: the first step is always checking cables and power‑cycling. Nine times out of ten, that’s the fix.
If your screen shows “No Signal” on HDMI but works on another input, the set‑top box or its connection is the culprit — not the aerial.
Why is my TV signal breaking up?
What causes pixelation?
- Loose coaxial cables can cause intermittent signal — tighten both ends. Satellite.ie (Irish TV support specialist)
- Interference from nearby electronics (phone chargers, routers). Move devices away.
- Scanner and amplifier issues — if you use an amplifier, try bypassing it.
The pattern: pixelation is almost always a weak or fluctuating signal. Fixing the physical link usually clears it up.
Is the weather affecting my TV signal?
How does rain affect TV signal?
- Heavy rain can attenuate TV signal, especially for satellite dishes. Saorview (official guidance) warns that high pressure weather can cause temporary loss of reception.
- Wind can move the aerial — check for visible movement after storms.
- Snow and ice can build up on a dish or aerial, blocking or reflecting the signal.
The catch: Saorview advises not to re‑tune during weather‑related issues — the signal will return on its own once conditions improve.
Re‑tuning during a weather‑induced outage can delete saved channels. Wait for clear skies before running a scan.
How do I get my TV signal back?
How to check signal from TV aerial?
- Use your TV’s built‑in signal strength meter (look under Settings > Signal quality).
- For Freeview, use the BBC transmitter checker (UK public service tool) to confirm your local transmitter is working.
- For Saorview viewers: check Saorview.ie (national DTT service) for planned maintenance.
How to reset your TV and receiver
- Turn off the TV and set‑top box (unplug for 60 seconds).
- Plug back in, turn on, and run a full channel scan.
- If channels are still missing, check aerial connections and try a manual rescan of the correct transmitter.
The implication: a channel scan won’t fix a broken cable or a misaligned aerial — but it will confirm whether the problem is at your end or the broadcaster’s.
Is signal down in my area?
How to check for planned maintenance?
- Visit Saorview.ie (official help updates) for Irish DTT outages.
- Check BBC reception (UK transmitter status) for Freeview viewers near the border.
- Sky customers: see Sky service status (satellite provider).
Where to find real-time outage maps
- Downdetector.ie (crowdsourced outage tracker) for RTÉ and other providers.
- Follow 2RN Network Management Centre (@2rnNMC) for transmission updates.
- For Saorview issues, contact the helpdesk at 0818‑212221 or 2RN at 01 2082259.
The trade-off: crowdsourced maps show user reports but don’t confirm official outages. Always cross‑check with the transmitter operator.
Confirmed facts
- Planned maintenance on Knockmoyle (May 5) and Casla (May 14) transmitters — Saorview (official)
- Weather can cause temporary signal loss — Saorview (advice)
- Loose connectors are the top cause of missing channels — Satellite.ie
- 2RN provides emergency contact at 01 2082259
What’s unclear
- Whether weather is the cause of your specific signal problem — check local conditions
- Whether individual equipment failure (aerial, amplifier) is at fault — requires physical inspection
- Whether signal overspill from Northern Ireland transmitters affects your reception — depends on location
- Whether retuning after a weather event will solve the problem permanently — Saorview recommends waiting for clear skies
Due to maintenance works, viewers will experience a break in reception of up to one hours’ duration between 11:00 and 15:00 on 5th May 2026.
— Saorview (official planned outage notice, Knockmoyle transmitter)
Due to essential maintenance work our Casla transmitter will be subject to complete outages of up to 2 hours between 11:00 and 15:00 on Thursday 14th May 2026.
Timeline signal
- May 5, 2026 (11:00–15:00): Knockmoyle transmitter outage in Kerry — up to 1 hour break — Saorview
- May 14, 2026 (11:00–15:00): Casla transmitter outage in Galway — up to 2 hours — 2RN
For Irish viewers, the coming weeks bring two scheduled interruptions. The larger lesson: most signal problems today stem from planned maintenance, weather, or simple cable faults. Checking official sources — Saorview.ie, 2rn.ie, or Downdetector — takes two minutes and saves an hour of frustration. For viewers near the Northern Ireland border, a second aerial may be needed to receive both Saorview and Freeview signals reliably. Saorview (regional advice)
If you’re experiencing TV signal problems today, checking the Virgin Media service status can help determine if the issue is local or widespread.
Frequently asked questions
Why does my TV say ‘No Signal’ when using HDMI?
Usually the TV is on the wrong HDMI input. Press the Source/Input button and cycle through until you see your set‑top box.
How often should I rescan channels?
Only when you add a new device or suspect channel changes. Unnecessary rescans can delete saved channels. Saorview recommends rescanning only after planned maintenance periods.
Does digital TV signal travel further in clear weather?
No — clear weather has no boost effect. High pressure can actually cause signal reflections that degrade quality.
Can trees block TV signal?
Yes, especially in summer when leaves are dense. Tree growth can gradually weaken reception. Trim branches if possible.
How to check if my aerial is faulty?
Compare signal strength on a known‑good TV or use a signal meter. A sudden drop across multiple TVs suggests an aerial issue.
What does a weak signal look like on a TV?
Pixelation, freezing, or “No Signal” messages. Audio may cut in and out.
Is there a difference between Saorview and Freeview signal issues?
Saorview is the Irish DTT service; Freeview is the UK equivalent. Issues are similar, but transmitter maintenance is handled by different operators (2RN vs Arqiva).
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