User contributions for ASRepairs

11 October 2023

• 16:1516:15, 11 October 2023 diff hist +125‎ MacBook Pro A1990 No image repair ‎No edit summary
• 16:1516:15, 11 October 2023 diff hist +994‎ N MacBook Pro A1990 No image repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the MacBook does turn on but there is no image on the LCD. Backlight may be present but the screen is black thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *No image on LCD ==Solution== * Check the LCD cable and the connector on both the screen side and the logic board..." Tag: Visual edit
• 16:1116:11, 11 October 2023 diff hist +159‎ MacBook Pro A1990 No backlight repair ‎No edit summary
• 16:1116:11, 11 October 2023 diff hist +1,796‎ N MacBook Pro A1990 No backlight repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Identifying and solving backlight issues on the A1990 MacBook, as well as similar boards from 2016-2020. A MacBook Pro with no backlight on the display is experiencing an issue where the screen remains dark even though the computer is powered on and operational. This means that while the computer itself may be functioning, the display is not emitting any ligh..." Tag: Visual edit
• 16:0716:07, 11 October 2023 diff hist +125‎ MacBook Pro A1990 Battery not recognized repair ‎No edit summary
• 16:0716:07, 11 October 2023 diff hist +675‎ N MacBook Pro A1990 Battery not recognized repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== MacBook A1990 not recognizing the connected battery thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *Battery not recognized/charging ==Solution== * First, '''try a known good battery.''' ** If it doesn't work, check the battery cable going to the boa..." Tag: Visual edit
• 15:5915:59, 11 October 2023 diff hist +123‎ MacBook Pro A1990 Charger not turning on USB-C meter repair ‎No edit summary
• 15:5815:58, 11 October 2023 diff hist +1,469‎ N MacBook Pro A1990 Charger not turning on USB-C meter repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When charging the A1990 MacBook with a USB-C charger and measuring the input current and voltage with a USB-C meter, the meter does not even turn on at all or 0 current. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *All voltages missing. *Not chargi..." Tag: Visual edit

7 October 2023

• 20:0020:00, 7 October 2023 diff hist +1,535‎ N Template:Note ‎ Created page with "<languages/> <onlyinclude>{{#if: {{{1|{{{content|{{{text|{{{demo|<noinclude>demo</noinclude>}}}}}}}}}}}} | <templatestyles src="Note/styles.css" /><div role="note" class="note note-{{#switch: {{{2|{{{type|}}}}}} |gotcha=error |warning=warn |notice=info |=info |#default={{{2|{{{type|}}}}}} }} {{#ifeq:{{{inline|}}}|1|note-inline}}">{{{1|{{{content|{{{text}}}}}}}}}</div> | File:OOjs UI icon lightbulb-yellow.svg|18px|alt=<translate><!--T:1--> Note..." current
• 19:4119:41, 7 October 2023 diff hist +123‎ MacBook Pro A1990 Charger stuck at 5V repair ‎No edit summary
• 19:4119:41, 7 October 2023 diff hist +3,728‎ N MacBook Pro A1990 Charger stuck at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== The charging circuit on the MacBook Pro A1990 is not communicating with the charger to send in 20V. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *On most cases, the board will not power up. *No charging ==Solution== ===Diagnostic Steps=== ==== Check voltage on PPBUS_G3H =..." Tag: Visual edit
• 19:3719:37, 7 October 2023 diff hist 0‎ m MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎ →‎PPBUS_G3H Short or absent Tag: Visual edit
• 19:1819:18, 7 October 2023 diff hist +123‎ MacBook Pro A1990 Not turning on, short on PPBUS G3H repair ‎No edit summary
• 19:1819:18, 7 October 2023 diff hist +803‎ N MacBook Pro A1990 Not turning on, short on PPBUS G3H repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Repair of a common short on PPBUS_G3H on an A1990 MacBook Prothumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on. *Less than 10 Ohms on PPBUS_G3H as measured with a multimeter (short) *Very low current draw from the charging port at 5V ==Solution== === Sh..." Tag: Visual edit
• 19:1419:14, 7 October 2023 diff hist −6‎ m MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary Tag: Visual edit

6 October 2023

• 16:5416:54, 6 October 2023 diff hist −62‎ RepairWiki:Create ‎No edit summary Tag: Visual edit

1 October 2023

• 15:5515:55, 1 October 2023 diff hist +117‎ MacBook Pro A2141 Not turning on, drawing 0.00-0.30A at 20V repair ‎No edit summary
• 15:5415:54, 1 October 2023 diff hist +2,602‎ N MacBook Pro A2141 Not turning on, drawing 0.00-0.30A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No Power on, 20v and ~0.00-0.3A as measured on the USB-C amp meter, with power cycling on the 820-01700 logic board. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *PPBUS_G3H at 12.5 V *MacBook not turning on *Power cycling 0.00 - 0.30 A at 20V as measured by USBC meter ==So..." Tag: Visual edit
• 15:5015:50, 1 October 2023 diff hist 0‎ m MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎No edit summary current Tag: Visual edit
• 15:4915:49, 1 October 2023 diff hist 0‎ MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary Tag: Visual edit
• 15:4515:45, 1 October 2023 diff hist +56‎ MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎No edit summary
• 15:4415:44, 1 October 2023 diff hist +1,550‎ N MacBook Pro A2141 Not turning on, drawing 0.04–0.07 A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Facing an issue with the MacBook Pro A2141 (820-01987) displaying 20V and a very low current draw of 0.04 to 0.07A on the USB-C meter. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *PP3V3_S5 and PP1V8_S5 missing *PPBUS_G3H at 12.3 V *Pulling 0.04 to 0..." Tag: Visual edit
• 09:5909:59, 1 October 2023 diff hist +151‎ DustGate repair ‎No edit summary
• 09:5809:58, 1 October 2023 diff hist +1,634‎ N DustGate repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Possible Diagnoses for Green or Purple Vertical bars on the display thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Vertical lines on the screen ==Solution== The most important diagnostic test to perform, is checking to see if the machine properly displays an image on a KNOW..." Tag: Visual edit
• 09:5409:54, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, drawing 0.10-0.15A at 20V repair ‎No edit summary
• 09:5409:54, 1 October 2023 diff hist +2,653‎ N MacBook Pro A2141 Not turning on, drawing 0.10-0.15A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Possible Diagnoses for a 820-01700 with 20v on the charger and 0.10-0.15a as measured by a USB-C amp meter thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on/powering on *All voltages are missing *Drawing only 0.1 to 0.15 A at 20V ==Solution== ===Diagnost..." Tag: Visual edit
• 09:4409:44, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, drawing 0.03-0.08A at 20V repair ‎No edit summary
• 09:4409:44, 1 October 2023 diff hist +5,871‎ N MacBook Pro A2141 Not turning on, drawing 0.03-0.08A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No Power, 20v and ~0.03-0.08A current draw on the 820-01700 logic board diagnosis and repair. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *Pulling ~0.03-0.08A current at 20v from USB-C as measured by USBC meter ==Solution== ===Diagnostic Steps=== '..." Tag: Visual edit
• 09:4009:40, 1 October 2023 diff hist −12‎ m MacBook Pro A2159 Not turning on, drawing 0.03-0.06A at 20V repair ‎No edit summary Tag: Visual edit
• 09:3809:38, 1 October 2023 diff hist +159‎ MacBook Pro A2141 No backlight on display repair ‎No edit summary
• 09:3809:38, 1 October 2023 diff hist +5,031‎ N MacBook Pro A2141 No backlight on display repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Identifying and solving backlight issues on the 820-01700 logic board, as well as similar boards from 2016-2020. A MacBook Pro with no backlight on the display is experiencing an issue where the screen remains dark even though the computer is powered on and operational. This means that while the computer itself may be functioning, the display is not emitting..." Tag: Visual edit
• 09:3109:31, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, ~0.23-0.31A current draw at 5V repair ‎No edit summary
• 09:3109:31, 1 October 2023 diff hist +3,975‎ N MacBook Pro A2141 Not turning on, ~0.23-0.31A current draw at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No Power, 5v and ~0.23-0.31A, Cycling or not cycling on the 820-01700 logic board diagnosis and repair. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *No voltages are present *Only drawing 0.23-0.31A current at 5V when measured with USB-C meter. ==So..." Tag: Visual edit
• 09:2109:21, 1 October 2023 diff hist +123‎ MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary
• 09:2109:21, 1 October 2023 diff hist +10,516‎ N MacBook Pro A2141 Not turning on, 0.00-0.05a current draw at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Facing an issue with the MacBook Pro A2141 (820-01987) displaying 5V and a very low current draw of 0.00 to 0.05A on the USB-C meter. ==Symptoms== *MacBook Pro A2141 stuck on 5V with a current draw of 0.00 to 0.05A on the USB-C meter. *Not turning on, all voltages missing. ==Solution== File:Placeholder image.jpg|thumb|(Figure 1) -- No image yet. Help expa..." Tag: Visual edit
• 09:0909:09, 1 October 2023 diff hist −2‎ MacBook Air A2337 Not turning on, 0.00-0.05a current draw at 5V repair ‎No edit summary Tag: Visual edit

28 September 2023

• 19:1619:16, 28 September 2023 diff hist 0‎ MacBook Pro A2159 Not turning on, 0.01A current draw at 5V repair ‎No edit summary Tag: Visual edit
• 19:1519:15, 28 September 2023 diff hist +123‎ MacBook Pro A2159 Not turning on, drawing 0.03-0.06A at 20V repair ‎No edit summary
• 19:1419:14, 28 September 2023 diff hist +5,658‎ N MacBook Pro A2159 Not turning on, drawing 0.03-0.06A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== No Power, 20v and ~0.03-0.06A current draw on the 820-01598 logic board diagnosis and repair. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *MacBook not turning on *Pulling ~0.03-0.06A current at 20v from USB-C as measured by USBC meter ==Solution== ===Diagnostic Steps===..." Tag: Visual edit
• 19:0919:09, 28 September 2023 diff hist +123‎ MacBook Pro A2159 Not turning on, fluctuating current draw 0.03-0.1A at 20V repair ‎No edit summary
• 19:0919:09, 28 September 2023 diff hist +1,481‎ N MacBook Pro A2159 Not turning on, fluctuating current draw 0.03-0.1A at 20V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== This issue is often caused by a short to ground on a sub-rail, which can be accurately detected with a high resolution thermal imaging scan. Low resolution thermal imaging may not reveal the subtle signs of a small shorted component, making it a less reliable diagnostic method. File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help..." Tag: Visual edit
• 19:0719:07, 28 September 2023 diff hist +107‎ MacBook Pro A2159 No camera detected repair ‎No edit summary
• 19:0719:07, 28 September 2023 diff hist +2,522‎ N MacBook Pro A2159 No camera detected repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== Addressing issues with MacBook Pro ''820-01598'' not detecting the camera. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Camera not detected *Possible burned or exploded L8504 filter on TCON board ==Solution== ===Diagnostic Steps=== ====Check L8504 Continuity==== *Use a..." Tag: Visual edit
• 19:0219:02, 28 September 2023 diff hist +117‎ MacBook Pro A2159 Touchbar brightly flashes following shut down or login repair ‎No edit summary
• 19:0219:02, 28 September 2023 diff hist +1,351‎ N MacBook Pro A2159 Touchbar brightly flashes following shut down or login repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the touchbar flashes after shutdown or login, this will be related to corrupted BridgeOS firmware and will be resolved via a DFU revive or restore.thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Flashing touchbar ==Solution== ===DFU Revive or restore BridgeOS=== *Ensu..." Tag: Visual edit
• 18:5918:59, 28 September 2023 diff hist +123‎ MacBook Pro A2159 Not turning on, 0.01A current draw at 5V repair ‎No edit summary
• 18:5918:59, 28 September 2023 diff hist +8,265‎ N MacBook Pro A2159 Not turning on, 0.01A current draw at 5V repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== The most likely cause for a 820-01598 to be stuck on 5 V and low current draw (~0.00–0.02 A) on the USB-C current meter is a short to ground on PPBUS_G3H. However, if all ports are not reading the same, then it may be indicative of a CD3217 issue.File:Placeholder image.jpg|thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading..." Tag: Visual edit
• 18:5418:54, 28 September 2023 diff hist +44‎ MacBook Pro A2159 Not turning on, 200 mA current draw from USBC, initial fan spin repair ‎No edit summary
• 18:5318:53, 28 September 2023 diff hist +1,792‎ N MacBook Pro A2159 Not turning on, 200 mA current draw from USBC, initial fan spin repair ‎ Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== ''820-01598'' MacBook fan spinning initially but not posting, booting, or showing an image. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==Symptoms== *Drawing 0.2A at 20V as measured with a USB-C meter *No picture *Initial fan spin ==Solution== ===Diagnostic Steps=== ====Dead U7710/..." Tag: Visual edit
• 18:5018:50, 28 September 2023 diff hist +45‎ MacBook Pro A2159 Not charging after MacOS update repair ‎No edit summary current