Turn an old PC monitor into a TV with a few simple steps

Why give an old monitor a second life

Many households have a spare LCD or LED monitor tucked away in a drawer. Rather than discarding it, the screen can become a cost‑effective TV. The benefit is twofold: you reduce electronic waste and you gain an extra display for movies, shows, or live channels without buying a new television.

What you need to make the conversion

Before you start, gather the following items. Each component is readily available online or at a local electronics retailer.

A streaming device such as a Raspberry Pi or a compact media player that supports HDMI output.
An HDMI to VGA or HDMI to DVI adapter if your monitor does not have an HDMI port. Choose a model that matches the monitor’s native input.
An external speaker or a sound bar, because most computer monitors lack built‑in audio.
A reliable Wi‑Fi connection or an Ethernet cable for streaming content.
An over the air (OTA) tuner if you prefer free broadcast channels. Many tuners connect via USB and output HDMI.

Connecting a streaming device

The simplest way to turn the monitor into a TV is to attach a streaming box that can run services like Netflix, Hulu, or Disney+. Follow these steps.

Place the monitor on a stable surface and plug it into a power outlet.
Connect the HDMI cable from the streaming device to the monitor’s HDMI input. If the monitor only accepts VGA or DVI, insert the appropriate adapter between the HDMI plug and the monitor.
Power on the streaming device. Most devices will automatically detect the display and output video at the monitor’s native resolution.
Use the remote control that came with the streaming device to navigate to your favorite apps. Sign in with your subscription credentials.
For audio, connect the streaming device’s audio output to the external speakers using a 3.5 mm jack or an optical cable, depending on the device.

Once the connection is complete, the monitor functions just like a television screen, displaying streaming content with crisp clarity.

Setting up over the air TV

If you enjoy local broadcast channels, an OTA tuner adds that capability. Here is how to integrate it.

Purchase a USB OTA tuner that supports the digital broadcast standard in your region. Look for models that list compatibility with Windows or Linux.
Connect the tuner’s antenna cable to a rooftop or indoor antenna. Position the antenna for the strongest signal, following the guidance from the Federal Communications Commission.
Plug the tuner into a USB port on the streaming device or a small PC that will act as a media server.
Install the tuner’s driver software. Most manufacturers provide a simple installer that configures the device as a TV source.
Open a media player app that can read the tuner’s input, such as VLC or Plex, and set the video output to the monitor via HDMI.
Adjust the channel scan settings to detect all available stations, then save the channel list for quick access.

With the tuner in place, you can flip between streaming services and live broadcast channels using a single remote or a keyboard shortcut.

Optimising picture quality for TV viewing

Computer monitors are calibrated for close‑up work, not for viewing from across a room. Small adjustments can make a big difference.

Resolution and refresh rate

Set the output resolution to match the monitor’s native specification. This information is often printed on the back panel or listed in the user manual. For most modern monitors, 1080p at 60 Hz provides a smooth experience.

Brightness and contrast

Increase the brightness slightly to compensate for the larger viewing distance. Raise the contrast to enhance the separation between dark and light areas, but avoid clipping highlights.

Colour temperature

Many monitors include a “Warm” or “Cool” preset. Choose a warmer tone for movies, as it reduces eye strain in dim rooms.

Audio considerations

Since the monitor does not produce sound, place the external speakers at ear level and adjust the volume to a comfortable level. If you use a sound bar, ensure it is aligned with the monitor’s centre for balanced audio.

Common pitfalls and how to avoid them

Turning a monitor into a TV is straightforward, yet a few issues can arise.

Incompatible adapter. Some cheap HDMI to VGA converters only work in one direction. Verify that the product explicitly states “HDMI to VGA (computer monitor)”.
No audio output. VGA and DVI do not carry sound. If you rely on these connections, you must use a separate audio cable from the streaming device to the speakers.
Signal lag. Certain adapters introduce latency, which can affect gaming or live sports. Look for adapters that advertise low latency or “Zero lag”.
Incorrect tuner driver. Using a driver meant for a different operating system will prevent the OTA tuner from working. Download the driver directly from the manufacturer’s website.

Addressing these points early saves time and ensures a smooth viewing experience.

Expanding functionality with smart features

Once the monitor is acting as a TV, you can add extra smart capabilities.

Install a voice assistant on the streaming device to control playback with simple commands.
Use a universal remote that can manage both the streaming box and the OTA tuner.
Connect a Bluetooth receiver to the speakers for wireless audio from a smartphone or tablet.

These enhancements turn a basic monitor into a versatile entertainment hub that rivals a dedicated smart TV.

Environmental and cost benefits

Repurposing electronics reduces e‑waste, a growing concern highlighted by the U.S. Environmental Protection Agency. By extending the life of a monitor, you keep valuable components out of landfills and avoid the carbon footprint associated with manufacturing a new television.

Financially, the conversion costs typically range from $30 to $80, depending on the adapters and tuner you choose. This is a fraction of the price of a new 32‑inch TV, which often starts at $150.

With a few inexpensive accessories and a bit of setup, your old monitor can deliver hours of entertainment while supporting a greener lifestyle.