Usually the camera itself is fine. It's the stuff behind it you can't see. Maybe the transformer can't handle the load. Maybe the app was never told what kind of chime you have, or your Wi-Fi just doesn't quite make it out to the front door. Work out which one it is and you can fix that and stop there.
Pick whichever sounds like your situation. Each one goes straight to the fix.
The chime went silent, the transformer keeps burning out, or it will not hold Wi-Fi. Nine times in ten that is power or wiring. Answer a few questions and we will point you at the right guide.
Start the troubleshooter →Mounting without damage, what a lease usually says about it, and how to take the camera with you when you move out.
Mount it safely →Five questions about your own door, your wiring and how far your Wi-Fi reaches. They narrow the field fast.
Work out which →Three things worth knowing before you choose one or start fixing one.
A doorbell camera records what happens at the door and alerts your phone. At the margin it deters. It does not prevent a break-in.
Low-voltage wiring, a mechanical chime and an undersized transformer cause most of the problems. When a twelve dollar transformer fixes it, replacing the camera is a waste.
Voltage ranges, chime compatibility and what needs a diode come from each maker's documentation, and makers revise them without announcing it. Check your model's current manual.
Everything the fix guides recommend, in one swipeable row. Any card opens that product over on the gear page, where the whole shelf is grouped by the problem it solves.
Replaces the thumbturn on the inside of the door and leaves the deadbolt, the cylinder and your keys exactly as they are. Nothing changes on the outside, which is what makes it the workable option in a rental and on an off-center or non-standard bore. Measure the clear space around the existing thumbturn before ordering, because that is the one thing it does need.
A full-replacement deadbolt with a keypad on the outside, for when you actually want to stop carrying a key. This is the type that cares about measurements. Check yours with a tape first: door thickness 1 3/8 to 1 3/4 inches, backset 2 3/8 or 2 3/4 inches. No hardwiring, but consider whether a storm door will still close over the escutcheon.
The same retrofit idea from a second maker. Thumbturn housings differ in size, and the one that clears your trim may not be the first you try. Built-in Wi-Fi, so it wants a usable signal at the door.
The mainstream battery option, and the one most people mean when they say doorbell camera. No wiring, so it suits a rental or a door with no existing bell, and the battery is the maintenance you accept in exchange. Recording history lives behind a subscription, which is the running cost to weigh before buying rather than after.
A wired dual-camera unit with a second lens aimed at the step. That is the fix for the parcel blind spot a single wide lens handles badly. Check the wiring before anything else. It wants 16 to 24 volts at 30VA. That is well above what an older bell transformer supplies, so a healthy 10VA unit still will not run it. A chime is included, and it does not work with a eufy HomeBase.
Battery like the Ring, but it records to a 16GB card in the chime that comes with it. No monthly fee, which is the whole reason to look at it. The storage sitting indoors rather than in the doorbell is the part worth understanding: taking the doorbell does not take the footage. That included chime also sidesteps the wiring question that breaks most installs, and the doorbell will run wired if you would rather not recharge it.
Power and data over one ethernet cable, so it never touches your Wi-Fi. The listing is blunt about it: Wi-Fi is not supported at all. Where a cable can be run this ends the disconnection problem permanently instead of improving it. Budget for two things the box leaves out, the PoE injector or switch that powers it and a microSD card up to 512GB; a plug-in chime is included. Running the cable is the job, and it rules out most rentals.
A camera built for the window position instead of adapted to it, mounted at an angle so the lens meets the glass without shooting its own reflection. Confirm it uses image-based motion detection. Glass blocks the far-infrared a passive infrared sensor looks for, so a PIR-triggered camera will not sense movement through a window the way it does outdoors.
A plain hardwired transformer at 16 volts and 30VA. That is the band most wired doorbell cameras ask for, and well above the 10VA a chime-era transformer supplied. Match your own model's published range on both numbers, volts and VA. More is not automatically safer. Mount it on the outside of a junction box and never inside a wall cavity: the manufacturer is explicit that it needs air around it to shed heat.
The same 16V 30VA specification in a different body, listed for doorbell and thermostat use. Worth knowing because transformer listings come and go constantly and having a second known-good option saves a rebuild when one goes out of stock.
A mains-plug chime that rings independently of the wiring in the wall. It pairs with Ring devices only, so it is no help to a eufy or a REOLINK owner. Within that it answers two cases. Your model cannot drive an in-home chime at all, or the transformer cannot throw a mechanical chime's solenoid. It sidesteps the wiring instead of fixing it, which is the right trade when the wiring itself cannot be put right.
A plug-in chime and a weatherproof push button that talk to each other over radio, so there is no wiring anywhere and no Wi-Fi, app or account involved. This is the answer when the bell wiring is dead or was never there and all you want is for someone at the door to be audible indoors. The button is weather-rated and runs about three years on its battery; the chime needs a spare outlet and nothing else.
A dual-band plug-in extender for the common case where the router sits at the back of the house and the front door is the furthest point from it. Place it midway between the router and the door. An extender repeats the signal it receives, so putting it right at the door repeats a signal that is already poor.
A weatherproof outdoor mesh node, for porches and driveways where an indoor extender never quite reaches and the wall itself is the obstacle. It joins an existing Deco system, so it is the right answer only if you already run one or intend to.
Turns the camera left or right, anywhere from 30 to 55 degrees, with a printed scale so you can set a known angle instead of guessing. This is the fix for a doorbell set back in a recess, or one facing along a wall instead of out at whoever is standing there. It does not tilt the camera down: if faces are cut off at the top of the frame, this is the wrong part.
Three stackable wedges that tilt the camera down by 5, 10 or 15 degrees. That is the fix when faces are cut off at the top and the step is out of shot. The tilt is modest next to the sideways mounts, and that is the point. A few degrees is usually all a doorbell hung at the old button's height needs. Ring's own part, and it fits the Video Doorbell (2nd Generation) and Battery Doorbell only.
A contoured plate that bridges the overlap of 4-inch standard vinyl siding, giving the doorbell one flat surface instead of a ridge to sit crooked on. The listing is firm about two limits. It is cut for 4-inch standard siding only, so Dutch lap and other profiles are out. And it screws on, so expect to make holes. Compatibility is to specific Ring models, so check yours.
A metal box that wraps the doorbell and hangs on the edge of the door, clamped on the inside face. Nothing is drilled into the door or the wall. It makes the camera awkward to lever off. It is no kind of lock, and nobody should buy it believing the camera cannot be taken. Inward-opening doors only, and not storm doors, screen doors or anything that swings outward.
A warm-white outdoor bulb that switches itself on at dusk, which covers two of the three things a porch light needs to get right for a camera. Warm light draws far fewer insects to the lens than cool white, and insects at the lens are a common cause of overnight false alerts. Dusk-to-dawn gives the camera one steady exposure to settle at instead of a light that jumps on and off all night. Sold in twos, 720 lumens each on a standard E26 screw, which is bright enough for a porch without blowing out the near field. Where it points is still down to you.
The same camera on Wi-Fi and doorbell wiring, for houses where an ethernet run is not realistic. It takes 5GHz as well as 2.4GHz, which is worth knowing when the trouble is a crowded 2.4GHz band and the door is close enough. Records locally with no subscription, and the plug-in chime and a 15 degree wedge are both in the box.
Local recording needs a card, and a doorbell writes continuously in a way a camera roll never does, so endurance matters more than headline speed. Check your model's maximum supported capacity before buying: a card larger than the doorbell accepts is not a bigger buffer, it simply fails to mount.
A suction cup and an articulated arm that hold a small camera at the window and let you aim it. The adjustable joint is the whole point, because a camera set square to the pane tends to photograph its own reflection. Universal means one of two fittings, so check yours before ordering. Either a 1/4 inch screw socket, or a body the clamp can grip between 2.16 and 4.13 inches. Turn the camera's night vision off whatever mount you use, since infrared bounces straight back off glass.
A suction mount shaped for one specific camera, which is the trade against a universal bracket: it fits properly or not at all. The listing is firm that it is single-pane glass only, which rules out a double-glazed window before anything else does. Two in the pack, useful because the good pane is rarely the first one you try, and the suction leaves nothing behind when you move it.
Tells you whether a wire is live without touching a terminal. The dual range is the reason to pick this one. Doorbell wiring is low voltage and the transformer's mains side is not, so a tester that only sees line voltage reads a live doorbell wire as dead. The low range is not automatic: press the sensitivity button to reach it. Understand what it is before you buy it. It cannot read a voltage or a VA figure. It tells you a transformer is powered and nothing about whether it is big enough. That question needs a meter.
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