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Hisense 32D37

No sound

Television · US market · 39 owner topics

Hisense televisions

Guidance for Hisense televisions. Check the feature and control descriptions against your model.

Hisense televisions

Hisense TV shows no picture: separate source selection from display response

Hisense troubleshooting guides treat a wrong input, loose source cable and a TV display issue as different branches. Start by checking whether the TV’s own menu appears, then whether the problem affects one HDMI source, live TV, or built-in content. A “no picture” label is not the same as a completely black panel.

Hisense sells TVs using different operating platforms, remotes and menu layouts. One Hisense manual’s path through Display & Sound and Picture applies to the model covered by that manual only. Use the following observations across generations; follow the exact model manual for any menu path.

  1. Press Home/Menu and see whether the TV’s own interface appears.
  2. Match the selected input to the physical HDMI port and confirm the external device is awake.
  3. Compare a second source before changing picture settings or requesting service.

Check the TV’s own menu and signal message

Press Home or Menu on the remote. If an on-screen menu appears, the TV can draw graphics and you should check the selected source, app, channel or connected device first. If the remote has no Home button, use the key that opens the TV interface or the physical controls identified by the manual.

If the screen explicitly says “No Signal,” note the selected input and wake the source box or console. A Hisense manual gives HDMI 1 as an example: a cable connected to HDMI 1 must be paired with HDMI 1 as the selected source. Match the port label on the TV rather than guessing.

Check one external source at a time

Confirm a cable box, game console or streaming device is on and not asleep. Turn off the TV and source before reseating an HDMI cable at both ends. Then select the matching input and test. If available, compare a built-in app or another HDMI device. If only one source is blank, the source, its output setting or its cable is the narrower branch.

Try a second HDMI port or known-good cable if the source instructions allow it. Remove switches or splitters temporarily so the source connects directly to the TV. Do not infer that a connector is broken merely because an adapter chain failed.

If the picture is black or discolored

If the menu is visible but a program is black, check another channel, app or input. If the entire image is black-and-white or washed out, Hisense’s model-specific manual recommends checking the source/cable and comparing other content before adjusting picture controls. The cited manual uses a particular Google TV settings path; other platforms may place brightness or color elsewhere.

For an intermittent signal, the Hisense manual says to unplug the TV from AC and reconnect after 60 seconds. Treat that as a model/manual-specific restart example, not a guarantee for every TV. If you use a surge strip, make sure it is not switching power intermittently.

When the picture menu never appears

If sound is present but no Home/menu graphic appears, the TV may be on with a display issue; if there is also no sound or indicator response, revisit power/standby checks. Compare with a different source, but do not keep changing picture settings when even the TV menu is invisible.

If no on-screen graphic appears across startup and sources, or the screen has lines, cracks, liquid damage or repeated flashes, contact Hisense support. Describe whether sound works, whether a menu appears, whether the issue is all sources or one, and the model/platform. Do not open the rear cover or try a hidden service menu.

Home/menu appears, but HDMI source says No Signal.

The display can show its interface; the selected source or signal path needs attention.

Wake the external device, match the HDMI port and reseat the cable.

One source fails while another app/input displays normally.

The problem is limited to that source path rather than all TV display output.

Test the source’s output and a direct known-good cable/port connection.

No menu or graphic appears on any source, but audio/response is present.

The set is responding but the visible display path remains unresolved.

Stop picture-setting changes and request Hisense support.

Common questions

Should I change Brightness if the screen is black?

First see whether Home/menu appears. If it does, compare another source; if no graphics appear at all, picture settings may not be the relevant branch.

Does HDMI 1 always mean the correct source?

Only when the device is physically connected to HDMI 1. Match the labeled port and input; menu names vary by platform.

Specifications & model details

32D37: model-specific checks

Keep the recorded resolution direction

Hisense 32D37 lists 768 pixels native vertical resolution. That is the height in pixels. Compare the source device’s output and the display’s supported input timings; the vertical figure alone does not establish horizontal pixels, refresh rate, HDR or an HDMI version.

Recorded model facts

Model details relevant to this topic

SpecificationRecorded valueEvidence
Automatic brightness controlFalse
Archive
California Energy Commission — Televisions archive

cec-televisions.xlsx; sheet Table; row 3594

Regulatory archive observation; test standard and measurement context follow the original record.

Observed Oct 27, 2026
Automatic brightness control enabledFalse
Archive
California Energy Commission — Televisions archive

cec-televisions.xlsx; sheet Table; row 3594

Regulatory archive observation; test standard and measurement context follow the original record.

Observed Oct 27, 2026
Integrated occupancy sensorFalse
Archive
California Energy Commission — Televisions archive

cec-televisions.xlsx; sheet Table; row 3594

Regulatory archive observation; test standard and measurement context follow the original record.

Observed Oct 27, 2026
More background: No Sound

Category & symptom guidance

No Sound

Check whether sound is missing everywhere

Start with the TV’s own home screen or a known built-in source, then compare the affected channel, app, or HDMI input. A single program can contain quiet dialogue, a muted track, or an audio-format issue; silence across all sources points more broadly to TV settings, speakers, or audio output. Confirm mute is off and raise volume modestly. Note whether the on-screen volume indicator moves when you press the remote.

LG’s no-picture/no-sound troubleshooting separates TV operation from connected devices; use the same source comparison for sound. If the TV’s menus make their normal navigation sound but a particular app is silent, focus on that app or content. If there is no sound from the TV interface or any source, check the selected speaker output and documented sound test before resetting the set.

Check the selected output device

Open the TV’s audio output setting and verify whether sound is routed to TV speakers, an HDMI-connected receiver, optical output, or Bluetooth device. The menu wording differs by model. If an external system is selected, confirm it is powered on, set to the TV’s input, and not muted. Reseat the audio cable with both devices off. For HDMI ARC/eARC, confirm the cable is connected to the labeled ARC/eARC ports on both products and that the receiver supports the selected format.

Temporarily select TV speakers if available. If sound returns, investigate the external audio path, control setting, or receiver format rather than the TV’s internal speakers. If TV speakers remain silent, return the output to the intended setting after the test and proceed to a built-in audio diagnostic or manufacturer support route.

Compare formats and connected sources

If sound fails only through one source, inspect that source’s audio output format and match it to formats the TV or receiver supports. A streaming device, game console, or cable box may offer automatic, PCM, or bitstream options; exact settings depend on the equipment. Change one setting at a time and record the original value. If a direct connection to the TV works but routing through a receiver does not, the receiver or HDMI handshake is part of the path.

For antenna or broadcast content, compare another channel and program. For apps, try a second title or app. For HDMI, test another device or cable known to work. A cable change is meaningful only when the other components remain the same. Avoid making a factory reset to fix one format mismatch.

Use a sound test and escalate clearly

If the model provides a self-diagnostic sound test, run it according to the manual. A successful test indicates the TV can produce its test audio under that test condition; it does not prove that every external source or sound format is compatible. A failed test with TV speakers selected supports a set-level issue. Record the result and whether the soundbar or receiver was disconnected.

If sound is distorted, intermittent, or accompanied by a pop, electrical odor, or shutdown, stop using the set and contact support. Provide the model code, source-by-source results, output setting, external audio equipment, and any diagnostic result. Do not increase volume to compensate for a fault or remove the TV’s back cover. Keep dialogue enhancement, virtual surround, and equalizer settings unchanged during initial comparison, then test them individually only if the basic output works.

General background sources

These sources support the shared guide. Exact model specifications and matched family procedures have their own sources above.

  1. www.lg.com/us/support/help-library/lg-tv-troubleshooting-an-lg-tv-with-no-picture-and-no-sound--20154765216944

Owner guidance by Specs & Parts, drafted with GPT-6 Luna. Sources and scope.

Sources for 32D37

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