No video repair . NYC and tri-state

Security camera showing a black screen? We find the signal and restore the picture.

The camera is powered but shows no image, the recorder reports no signal, or the feed is completely black. A different fault from a camera that is offline. We walk the signal path and find the break: sensor, cable, termination or lens.

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WHICH PATTERN IS YOURS? 6 patterns
BLACK SCREEN · BLACK, BUT ONLINE
WHERE IT USUALLY BREAKS
Lens Sensor Night IR Power Cable Recorder

The camera shows connected in the recorder, but the feed is solid black. The sensor has failed, the lens is covered or damaged, or the signal is lost in the cable.

FIRST THING WE CHECK
A test monitor at the camera, to see if the sensor produces any image.
All patterns 06
BLACK SCREEN · 01 / BLACK, BUT ONLINE

Black, but online

The camera shows connected in the recorder, but the feed is solid black. The sensor has failed, the lens is covered or damaged, or the signal is lost in the cable.

FIRST THING WE CHECK
A test monitor at the camera, to see if the sensor produces any image.
BLACK SCREEN · 02 / NO SIGNAL AT ALL

No signal at all

The recorder shows no signal input from that camera. On analog it is usually the coax or BNC, on IP it is power or the link. Diagnosable at the camera.

FIRST THING WE CHECK
Power and cable continuity at the camera, then the recorder input.
BLACK SCREEN · 03 / BLACK ONLY AT NIGHT

Black only at night

Fine in daylight, black when it should switch to night mode. The infrared LEDs have failed, the day and night sensor is stuck, or the IR filter is jammed.

FIRST THING WE CHECK
The IR LEDs and the day and night filter, checked after dark.
BLACK SCREEN · 04 / HALF THE IMAGE BLACK

Half the image black

Part of the picture shows, part is black or cut off. Sensor damage, a half-blocked lens, or a display setting on the recorder.

FIRST THING WE CHECK
A test monitor at the camera, then the recorder display settings.
BLACK SCREEN · 05 / DIRTY OR FOGGED LENS

Dirty or fogged lens

The sensor works, but the image is dark, blurry or obscured by condensation, dirt or paint. Cleaning or a new lens, not a new camera.

FIRST THING WE CHECK
The lens and the housing seal. Usually a clean and reseal.
BLACK SCREEN · 06 / OLD ANALOG CAMERA BLACK

Old analog camera black

On an older coax system, one camera input shows black. A loose BNC connector, a shorted coax run, or a failed balun at the recorder. A fast fix on site.

FIRST THING WE CHECK
The BNC connectors at both ends and the coax run between them.
Licensed and insuredNYC low-voltage licensed, fully insured
Any brand servicedIncluding systems we did not install
Same-day when it mattersPriority where coverage is a security concern
Signal path testedBefore any camera is replaced
What causes no video 05

The five common culprits, in the order we check them.

The signal path from camera to screen is short, and the faults are predictable.

01

Camera sensor or module failure

The image sensor has died, often from weather, lightning or age. On lower-end cameras that means a replacement. On higher-end cameras the module can sometimes be swapped at the bench.

Sensor
02

Lens damage or obstruction

The lens is scratched, cracked, painted over, covered by webs or dirt, or the cover is fogged. Clean, reseal or replace the lens. This often fixes blurry and dark images too.

Lens
03

BNC or coax termination fault

On older coax systems, the BNC connector at the camera or the recorder has corroded, come loose, or its center pin has broken. Re-terminate and the image comes back.

Cable
04

PoE or power browning out

The camera does not get enough power to run its sensor or IR LEDs, and the image is dim or dark. Voltage drop from cable damage, an undersized injector, or a maxed-out PoE budget.

PowerCable
05

IR filter stuck or IR array dead

The small filter that switches between day and night mode has jammed, or the infrared LEDs have burned out. Only visible at night. Repair or replacement depending on the model.

Night IR
Fine by day, dark at night

Black only at night?

If the daytime picture is fine, the camera is not dead. It is almost always the infrared LEDs or the small day and night filter inside. Often repairable, and the fix gets confirmed after dark.

Note which cameras and since whenOne camera or several narrows it fast.
Tell us analog or IPThe label on the camera or the recorder answers it.
Screenshot the night viewThe black feed itself tells us a lot.
Any brand, even if we did not install it

You do not need the original installer.

Most no-video calls are on cameras we did not install. We identify the system, source the right replacement, and get the picture back.

The camera brands we service

Analog and IP cameras from the brands common across NYC installs. Plus older unbranded or OEM analog cameras in legacy coax installs.

UniFi ProtectUniviewAxisDigital WatchdogHanwha WisenetAvigilonBoschDahuaVerkadaLuminysHikvisionHoneywellLTS

The signal path first

No video is often a cable or termination problem, not a camera failure. We test the cable, re-terminate at either end, and only replace the camera when the signal path is confirmed clean.

Coax and BNCBalunsCat5e and Cat6PoE injectorsHD over coax
Repair or replace

Signal path fixes first. A new camera only when it is right.

Most calls are not a dead camera

A dead camera module is usually a replacement on mid-range cameras. But most no-video calls are a cable, termination or power problem upstream. We confirm the signal path before we quote a replacement.

When we replace

The sensor has clearly failed on the bench, the housing is physically damaged, or the camera is already at end of life. We stock current models and can match older cameras in most cases.

Explore camera installation →
The repair visit 04

How a no-video call goes.

Four steps, and we test the full signal path before replacing anything.

01

Phone triage

Which camera, analog or IP, when it went black, any recent weather or construction. Five minutes narrows the diagnostic.

02

Signal path test

PoE voltage at the camera, cable continuity, terminations at both ends, then the camera module. Where the signal breaks tells us the fix.

03

Fix on the spot

Cables, terminations, PoE injectors and common cameras are same-visit. Specialty cameras get a firm order date and a temporary camera where possible.

04

Verify the picture

Live view works, the recorder captures the feed, and remote view is live. Written summary for your records.

WHO WE HELP
Homes and brownstonesOffices, retail and warehousesRestaurantsApartment buildings
Frequent questions 06

Black screen FAQ.

It is a different fault from offline. The camera has network reach but no video. Usually the sensor has died, the lens is blocked, or on analog systems the BNC termination has failed. We test the module and the signal path on site.
That is almost always the infrared LEDs or the IR filter inside the camera. The IR ring has burned out, or the filter that switches between day and night has jammed. Repairable on many models, and a replacement when the IR hardware is sealed in.
Usually. Most analog black-screen calls are a bad BNC termination or a corroded coax run, not the camera. We re-terminate, test the run, and the image usually comes back. If the camera has died, we fit a compatible analog or HD-over-coax camera that works on the existing DVR.
In most cases we clean it. Condensation inside the dome, dirt on the cover, or sap and debris on an outdoor camera all clean up without a new camera. We also reseal the housing where water caused the fog. Replacement only when the lens is scratched or cracked.
Not really. It can be partial sensor damage from lightning or water, a half-blocked lens, or a display setting at the recorder. We confirm with a test monitor at the camera, and the fix depends on which it is.
Same-day across NYC when the schedule allows, with priority for cameras down at locations with security concerns. Call 212-347-5400 for the soonest window.
Get the picture back

Camera black? Pick the fastest way to reach us.

FASTEST FOR OUTAGESCall 212-347-5400

Talk to a technician and get an honest arrival window.

 SEND A PHOTOText 646-838-2300

A photo of the black feed on the recorder speeds up the fix.

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Describe the system and we will come back with a clear plan.
OTHER CAMERA PROBLEMS
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