Control the Volume of your Mac's Startup Chime

Cov txheej txheem:

Control the Volume of your Mac's Startup Chime
Control the Volume of your Mac's Startup Chime
Anonim

Lub Mac lub suab nrov pib tuaj yeem ua suab nrov, tshwj xeeb tshaj yog nyob rau hauv qhov chaw ntsiag to. Kua tsis txhais hais tias yuav tsa tag nrho lub tsev; Nws tsuas yog xav kom paub tseeb tias koj tuaj yeem hnov lub suab pib thiab nrog qhov laj thawj zoo.

Lub chime, uas feem ntau txhais tau hais tias koj Mac dhau qhov pib kuaj mob, tuaj yeem hloov tau los ntawm ib theem ntawm cov suab nrov uas teeb liab ntau yam kho vajtse tsis ua haujlwm, suav nrog RAM tsis zoo lossis EFI ROM (Extensible Firmware Interface Read Only Memory).

kab hauv qab

Ntau xyoo dhau los, cov suab nrov Mac tsim thaum qhov kev sim pib ua tsis tiav los ua ke hu ua chimes ntawm kev tuag. Raws li qhov txaus ntshai li ntawd, Apple qee zaum ntxiv kev lom zem me ntsis rau lub suab nrov ntawm kev tuag, zoo li nws tau ua nrog cov qub Performa series ntawm Macs, uas siv lub suab tsheb sib tsoo. Kuj tseem muaj ib lossis ob tus qauv PowerBook uas siv cov ntsiab lus ntawm Twilight Zone.

Kho lub Startup Chime Volume

Vim tias lub chime pib tuaj yeem muab cov teeb meem daws teeb meem, nws tsis yog lub tswv yim zoo los kaw nws los ntawm kev kaw lub suab nrov. Txawm li cas los xij, tsis muaj laj thawj rau qhov chimes kom nrov nrov.

Txoj hauv kev los txo qhov ntim ntawm lub suab nrov pib tsis pom meej, tshwj xeeb tshaj yog tias koj muaj cov hais lus sab nraud, lub mloog pob ntseg, lossis lwm yam khoom siv suab txuas nrog koj Mac. Txawm li cas los xij, cov txheej txheem yooj yim, yog tias me ntsis convoluted. Ua ntej koj pib, ua cov hauv qab no:

  • Tshem tawm cov neeg hais lus lossis lub mloog pob ntseg txuas nrog koj lub Mac lub mloog pob ntseg / kab tawm jack.
  • Txiav ib qho USB, FireWire, lossis Thunderbolt-raws li cov khoom siv suab txuas nrog koj Mac.
  • Txiav txhua yam khoom siv Bluetooth lub suab koj tuaj yeem siv.

Nrog tag nrho cov khoom siv suab sab nraud txiav tawm ntawm koj lub Mac, koj npaj tau los kho qhov pib chime lub ntim qib.

  1. Launch System Preferences los ntawm nyem rau ntawm nws lub cim Dock, lossis xaiv qhov System Preferences khoom hauv Apple ntawv qhia zaub mov.

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  2. Xaiv tus Sound nyiam pane.

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  3. Nyob rau hauv lub suab nyiam pane uas qhib, nyem qhov Output tab.

    Vim tias koj tshem tawm cov khoom siv suab sib txuas sab nraud, koj yuav tsum pom ob peb qhov kev xaiv tso zis, suav nrog Internal Speakers.

  4. Xaiv Internal Speakers nyob rau hauv daim ntawv teev cov khoom tso tawm.

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  5. Txhob tus Output ntim slider nyob rau hauv qab ntawm lub suab qhov rais los kho lub Internal Speakers volume.

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Nyob li ntawd. Koj tau kho qhov pib chime ntim, nrog rau cov suab ceeb toom uas siv cov hais lus sab hauv.

Reconnect tej lub suab sab nraud uas koj txuas nrog koj Mac.

Siv Terminal los Mute lub Startup Chime

Muaj lwm txoj hauv kev los tswj lub suab nrov nrov pib. Siv Terminal app, koj tuaj yeem kaw txhua lub suab ua si los ntawm cov neeg hais lus sab hauv.

Qhov no tsis yog qhov kev xaiv zoo tshaj plaws; txo qhov ntim siv lub suab nyiam pane yog qhov kev ua tau zoo dua. Qhov kom zoo dua ntawm Terminal txoj kev yog tias nws ua haujlwm nrog txhua lub version ntawm macOS lossis OS X, thaum lub suab yooj yim nyiam pane xaiv yog me ntsis iffy nyob rau hauv cov versions ntxov ntawm OS.

  1. Launch Terminal, nyob ntawm /Applications/Utilities.
  2. Enter sudo nvram SystemAudioVolume=%80.

    Triple-nias ib lo lus hauv cov lus txib kom xaiv tag nrho kab, thiab tom qab ntawd luam tawm thiab muab cov lus txib rau hauv Terminal.

  3. Nkag mus rau koj tus thawj tswj tus password thaum thov kom kaw qhov Startup Chime.

Unmut the Startup Chime in Terminal

Yog tias koj puas xav unmute qhov pib chime thiab xa rov qab mus rau nws lub ntim ntim, rov qab mus rau Terminal thiab nkag mus rau cov lus txib nram qab no:

sudo nvram –d SystemAudioVolume

Koj yuav tsum muab koj tus password rau tus thawj tswj hwm kom ua tiav cov txheej txheem.

Pom zoo: