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<title><![CDATA[iFixit - Answers With Device &quot;MacBook Pro 15&quot; Touch Bar 2018&quot;]]></title>
<link>https://www.ifixit.com/Answers/Device/MacBook_Pro_15%22_Touch_Bar_2018?rss=yes</link>
<description><![CDATA[Top Questions according to your query. Only showing &quot;MacBook Pro 15&quot; Touch Bar 2018&quot; questions.]]></description>
<language>en-US</language>
<pubDate>Sat, 23 May 2026 10:01:56 -0700</pubDate>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Trackpad is hard to click at center-top (MacBook Pro 2018, 15”)]]></title>
<description><![CDATA[<p>Hi,</p>

<p>My trackpad is very hard to click (force touch) at the center-top, near the spacebar. It seems the nearer it is to this “blind spot”, the more force it needs to click. It works fine on the borders and bottom.</p>

<p>It feels like there’s something stuck INSIDE the trackpad. Does that even make sense? I’ve searched the web and a lot of people talk about expanded batteries, but that’s for older models and it's unlikely the case as this Macbook is relatively new.</p>

<p>Is there something I could do about it?</p>

<p>If there's really a possibility of dirt stuck inside it, opening the Macbook and blow compressed air <strong>inside</strong> the trackpad could help?</p>

<p>I’ve tried SMC and PRAM reset to no avail.</p>

<p>Thanks!</p>

<p>⟐ Commented October 18, 2023 at 15:53 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/573433/Trackpad+is+hard+to+click+at+center-top+(MacBook+Pro+2018,+15%E2%80%9D)</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/573433</guid>
<pubDate>Wed, 18 Oct 2023 15:53:01 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Ram upgrade 2018 touchbar MacBook Pro 15]]></title>
<description><![CDATA[<p>I would like to get a video on to how to open my 2018 Touch Bar MacBook Pro 15”, I have bought it with 16 GB of RAM and have bought the 32 GB RAM cards would like a walkthrough please…</p>

<p>As for some  weird reason I could not get the base cover to unhinge as easily as my MacBook Pro 2015-2016 retina model</p>

<p>Have been worried of breaking a chord or something if I could get some guidance…</p>

<p>You can even upgrade the RAM firstly? And if so a step by step guide would be amazing…</p>

<p>YouTube has no videos about it as yet BTW so you could be the first to break it!</p>

<p>⟐ Commented January 08, 2022 at 17:21 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/506332/Ram+upgrade+2018+touchbar+MacBook+Pro+15</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/506332</guid>
<pubDate>Sat, 08 Jan 2022 17:21:01 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: 2018 - i9 MacBook Pro - 3d printed back panel for cooling?]]></title>
<description><![CDATA[<p>I recently bought a i9 - 32GB/1TB MacBook Pro. I find it very uncomfortable in using it lap. It is very hot after 10 min of use, even with common activities like browsing (Firefox) and couple of text editors open.</p>

<p>Any suggestions on designing a custom 3d-printed back panel with more space and ventilation option would help? I do not mind additional thickness, say 2mm.</p>

<p>I don't want to use a cooling pad. And I'm worried about the lifespan of ~$4000 computer due to thermal condition.</p>

<p>What would you suggest?</p>

<p>⟐ Commented January 31, 2021 at 11:26 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/516405/2018+-+i9+MacBook+Pro+-+3d+printed+back+panel+for+cooling</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/516405</guid>
<pubDate>Sun, 31 Jan 2021 11:26:13 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: MacBook Pro 15" 2018 - Flexcable]]></title>
<description><![CDATA[<p>Can anyone confirm if the MacBook Pro 15” 2018 Models are manufactured with the flex ribbon cables connecting the display to the display controller? I was doing my homework prior to buying a 2018 model when I came across the “stage light’ / “flexgate issue”.  I’m trying to determine if Apple has caught the manufacturing issue and corrected it before the release of the 2018 models. Thanks.</p>

<p>⟐ Answered January 28, 2019 at 16:25 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/545732/MacBook+Pro+15%22+2018+-+Flexcable</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/545732</guid>
<pubDate>Mon, 28 Jan 2019 16:25:42 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Is it possible to change the keyboard layout by moving the keys myself]]></title>
<description><![CDATA[<p>Hi all, I want to buy a Macbook soon and I found out it’s much cheaper for me to buy it from Germany. The problem is they use a QWERTZ keyboard layout there and I’m used to QWERTY.</p>

<p>I was wondering if it’s possible to change the keyboard layout from QWERTZ to QWERTY myself, I only have to move the Z and the Y keys. And if I’m correct I can just change the layout in the Macbook’s settings? This small operation would save me €200, so I guess it’s worth a try. Or is there a high risk of breaking stuff? I’m pretty handy with these kind of things, also doing motherboard repairs and stuff so that shouldn’t be a problem.</p>

<p>⟐ Commented February 03, 2024 at 2:20 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/547652/Is+it+possible+to+change+the+keyboard+layout+by+moving+the+keys+myself</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/547652</guid>
<pubDate>Sat, 03 Feb 2024 02:20:45 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: MacBook not entering internet recovery - 2100f]]></title>
<description><![CDATA[<p>Hi<br /><br />I have a Macbook Pro A1990 emc 3215 mid 2018 15&quot; model. It has had its OS removed so I need to reinstall MacOS. No matter what keys I press it always boots to internet recovery (I've tried to do PRAM clear, CMD+R for recovery mode, Option key for boot options, D for diagnostics). When I enter my WIFI password it accepts it, starts loading into internet recovery but after around 30-60mins it fails showing error code 2100F. I have tried a power drain by disconnecting the battery and mais power but that has not changed anything. Does anyone have any ideas what is going on?<br />Thanks</p>

<p>⟐ Answer accepted April 20, 2023 at 7:41 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/722912/MacBook+not+entering+internet+recovery+-+2100f</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/722912</guid>
<pubDate>Thu, 20 Apr 2023 07:41:19 -0700</pubDate>
</item>
<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Why is black screen after replace it?]]></title>
<description><![CDATA[<p>Replaced the screen on my Mac Pro 2018 and it starts working, but after reboot the laptop black screen! If connect laptop through hdmi to external monitor, screen starts working and will work till I reboot the laptop! What can be the problem?</p>

<p>⟐ Commented January 19, 2023 at 11:27 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/540655/Why+is+black+screen+after+replace+it</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/540655</guid>
<pubDate>Thu, 19 Jan 2023 11:27:57 -0700</pubDate>
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<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Will replacing my thermal paste impact my warranty?]]></title>
<description><![CDATA[<p>I am comfortable and confident that I can do the procedure but I am concerned that it would impact my applecare. I’m wondering if there are any ways apple can easily see that I have disassembled my laptop such as any warranty void stickers inside the computer.</p>

<p>⟐ Answer edited August 23, 2020 at 17:33 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/540718/Will+replacing+my+thermal+paste+impact+my+warranty</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/540718</guid>
<pubDate>Sun, 23 Aug 2020 17:33:22 -0700</pubDate>
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<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Multimeter - low battery voltage, dead laptop]]></title>
<description><![CDATA[<p>Hi</p>

<p>My Mac suddenly stopped turning on after I came from holidays.</p>

<p>I expected it was faulty battery because for the last few months there was a warning in MacOs saying about recommended battery replacement. Also the laptop had huge issues with overheating, the funs were often running with full speed.</p>

<p>For this reasons I decided to replace the battery with the iFixit one, but the Mac still does not turn on. I visually inspected the motherboard for any issues but there is nothing worrying. There was no liquid damage for sure. Laptop was just sitting for the last 5 days not being used which is even more mysterious.</p>

<p>However I noticed when I check the voltage for the new battery with multimeter using the two gold connectors I get 0.1 V. I would like to understand if it's normal ? For comparison I did check the old battery and it was showing similar value so I assume that might be a normal thing?</p>

<p>Secondly do you have any recommendations what else could be tested? I'm happy to take risk as the laptop is dead anyways and I did recently a backup.</p>

<p>I did try</p>

<ul><li>Run Mac without battery</li><li>Reset SMC</li><li>Tried different chargers</li><li>Connect to charger for a day</li><li>Reassemble everything 2 times checking the cables and connectors</li></ul>

<p>Thanks!</p>

<p>New iFixit battery</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/RIJkAKfmRNvJC6RD.standard" width="282" height="211" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/RIJkAKfmRNvJC6RD.huge&quot;, '', 'width=1600,height=1200')" /></div>

<p>Old battery ( removed from laptop)</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/BDVqcCfNf5PLTUxI.standard" width="169" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/BDVqcCfNf5PLTUxI.huge&quot;, '', 'width=900,height=1200')" /></div>

<p>⟐ Commented September 17, 2024 at 9:35 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/830995/Multimeter+-+low+battery+voltage,+dead+laptop</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/830995</guid>
<pubDate>Tue, 17 Sep 2024 09:35:39 -0700</pubDate>
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<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Camera and ambient light sensor not working after repair]]></title>
<description><![CDATA[<p>Hey everyone!</p>

<p>I have a MacBook Pro 15 2018 (model A1990) that recently had a motherboard failure that was fixed by a third party motherboard technician (apple was charging 1000+ € for the repair) that swapped a capacitor which failed on the motherboard.</p>

<p>Everything is working except the camera and all the features connected to the ambient light sensor such as keyboard backlight, True Tone and display plus Touch Bar automatic brightness. In particular:</p>

<ul><li>camera is not detected and Photo Booth says &quot;There is no connected camera&quot;; also, camera appears not to be detected in System Info too, while at the same time its serial on system info is set to &quot;?&quot;</li><li>True Tone, automatic brightness and keyboard backlight settings/toggles have completely disappeared from system preferences and are not working, moreover in System Info the &quot;Automatically Adjust Brightness&quot; feature is set to &quot;No&quot;</li></ul>

<p>I can still set manually the display brightness though and before going to standby, it still dimmers automatically. However, all these features are not working in any condition, not even before/after login or in recovery/safe mode.</p>

<p>From a behavioral point of view, it seems like the entire camera &amp; ambient light module is disconnected.</p>

<p>Here's the software and hardware procedures and checks that I did that were unuseful:</p>

<ul><li>PRAM and SMC reset</li><li>macOS update</li><li>macOS clean reinstall</li><li>reboot in Safe Mode</li><li>system diagnostic at boot (by pressing key D), which gave no errors found</li><li>checked display flex cable and connectors, they seem to be fine</li><li>checked display backlight and camera flex cables and connectors, again they seem to be fine</li></ul>

<p>The only thing that I haven't tested is T2 reset using DFU mode and another Mac, since I don't have one.</p>

<p>Can T2 be involved in the problem? In System Info, the camera appears under Apple T2 bus, so it does the keyboard and Touch Bar.</p>

<p>I can confirm however that, apart from disconnecting the display flex cable for mother board repair, the other two cables were not touched and that the display is the same as before the repair since it had a pressure mark on the panel that it still has.</p>

<p>I'm attaching some pictures for reference.</p>

<p>Do you guys have ever had a similar problem or have any idea of what could be the problem? Thanks in advance to anyone that is willing to help :)</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/QTUWPTJbpHLffsGt.standard" width="282" height="211" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/QTUWPTJbpHLffsGt.huge&quot;, '', 'width=1600,height=1200')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/DON1bCHsMOZ5ErQU.standard" width="282" height="198" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/DON1bCHsMOZ5ErQU.huge&quot;, '', 'width=1600,height=1124')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/x51WouHX4KiMfGel.standard" width="282" height="198" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/x51WouHX4KiMfGel.huge&quot;, '', 'width=1600,height=1124')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/VO2XLEsW6AdtFXPp.standard" width="282" height="198" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/VO2XLEsW6AdtFXPp.huge&quot;, '', 'width=1600,height=1124')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/Xx2ofh2me5SWUqoU.standard" width="276" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/Xx2ofh2me5SWUqoU.huge&quot;, '', 'width=1469,height=1200')" /></div>

<p>⟐ Commented January 19, 2024 at 5:03 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/757316/Camera+and+ambient+light+sensor+not+working+after+repair</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/757316</guid>
<pubDate>Fri, 19 Jan 2024 05:03:28 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Is the hard drive soldered or upgradeable?]]></title>
<description><![CDATA[<p>With all of the cheap M.2 / PCIe SSD options now available, I’m curious if this is upgradeable.  I spent the money on the 32GB of ram knowing it would probably be soldered on, curious if the hard drive can be upgraded.</p>

<p>⟐ Answered December 13, 2019 at 11:08 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/606461/Is+the+hard+drive+soldered+or+upgradeable</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/606461</guid>
<pubDate>Fri, 13 Dec 2019 11:08:47 -0700</pubDate>
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<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Key Repeat Issue with MacBook Pro 2018]]></title>
<description><![CDATA[<p>I recently bought a new Macbook Pro 15” 2018 after sticky key issues on my older 2017 version, expecting it to solve all keyboard problems. <br /></p>

<p><br /></p>

<p>My woes are far from over. The new laptop comes with a new key repeat issues, where certain keys act as they were pressed repeatedly, giving you 2 or 3 inputs. I have found a thread with more users experiencing the same problem: <a href="https://discussions.apple.com/thread/8536157" rel="nofollow noopener noreferrer" title="https://discussions.apple.com/thread/8536157">https://discussions.apple.com/thread/853...</a><br /></p>

<p><br /></p>

<p>This issue is random, and ranges between impossible to type to a few typos every few sentences. I have beeen trying to corelate the issue with working conditions, such as laptop temperature, dust or debris, but haven’t found anything so far. Most users seem to experience the issue in the same part of the keyboard though: The E, R, T, D keys, and the P &amp; Enter keys. <br /></p>

<p><br /></p>

<p>At it’s worst, your senttencees will ofttten look like tthis. <br /></p>

<p><br /></p>

<p>The issue persists even when you turn key repeat off in settings. Sometimes, the repeated inputs happen after a small delay. Tailor might be often printed as Tatilor or Taitlor, with the second random T input after a few character inputs, which makes me wonder if it’s a software bug? <br /></p>

<p><br /></p>

<p>Anyway, would love a fix here, since a trip to the apple repair center would mean no work machine for 7 - 10 days in my locality and country.</p>

<p>⟐ Answered February 02, 2019 at 9:32 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/546707/Key+Repeat+Issue+with+MacBook+Pro+2018</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/546707</guid>
<pubDate>Sat, 02 Feb 2019 09:32:35 -0700</pubDate>
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<item>
<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Is later upgrade possible?]]></title>
<description><![CDATA[<p>Hello Guys,</p>

<p>I am gonna buy this MacBook Pro. Apparently, it is not as easy because when buying it asks for a possible upgrade.</p>

<p>I wonder what can be added later and what is worth adding extra money during purchase and will not be possible to be added later?</p>

<p>RAM - 16GB -&gt; 32GB</p>

<p>SSD - 512GB -&gt; 1TB</p>

<p>Is it the same true with the newest iMac 27 (not pro)?</p>

<p>Thanks for any advice,</p>

<p>BTW - When is the new release of MacBook Pro is expected, still this or next year?</p>

<p>I heard that many complain about the keyboard. Are they planning on releasing a new one with a new keyboard solution?</p>

<p>Andy</p>

<p>⟐ Edited September 06, 2018 at 3:55 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/513425/Is+later+upgrade+possible</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/513425</guid>
<pubDate>Thu, 06 Sep 2018 03:55:28 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Battery is not charging while On but charges in turn off]]></title>
<description><![CDATA[<p>I have recently had the battery in my MacBook upgraded by a third-party service center. The battery appears to be <em>functioning properly</em> according to the Coconut app and system settings. However, when the MacBook is turned on, it displays a message saying &quot;<strong>battery is not charging.</strong>&quot; Interestingly, the <strong>battery starts charging when the MacBook Pro is turned off</strong>. I'm using the original charger. What might be causing this issue?</p>

<p>⟐ Commented July 23, 2023 at 23:43 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/795305/Battery+is+not+charging+while+On+but+charges+in+turn+off</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/795305</guid>
<pubDate>Sun, 23 Jul 2023 23:43:41 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Ripped battery connector from logic board]]></title>
<description><![CDATA[<p>Hey there,</p>

<p>Unfortunately, I ripped the tiny battery connector from the logic board, while trying to take out the battery (picture attached). Is there any way to repair that or do I need to replace the logic board?</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/5wWVNt2HaNRpwbSn.standard" width="169" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/5wWVNt2HaNRpwbSn.full&quot;, '', 'width=1576,height=2100')" /></div>

<div class="clearer"></div><div class="headerContainer"><h3 id="Section_Update_06_19_Num_23" class="header">Update (06/19/23)</h3></div>

<p>Here’s another picture attached. The object (plug?) in the green circle would needed to be placed where the red arrow is pointing to. While trying to take off the cable i ripped it of the logic board.</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/CYDILBGgEiu2EtKS.standard" width="169" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/CYDILBGgEiu2EtKS.huge&quot;, '', 'width=900,height=1200')" /></div>

<p>⟐ Commented November 15, 2025 at 5:39 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/797207/Ripped+battery+connector+from+logic+board</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/797207</guid>
<pubDate>Sat, 15 Nov 2025 05:39:15 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Clean OS Install on Broken Screen]]></title>
<description><![CDATA[<p>My MacBook Pro screen is broken and currently using with External Display, I want to upgrade it to <strong>macOS Catalina.</strong> the problem is I am unable to see what is going in without the laptop screen in order to clean install when I try to boot with Option + CMD + R.</p>

<p>I also tried in <strong>clamshell mode</strong> with Power, External Display and Keyboard connected. nothing shows up.</p>

<p>PS: Replacing the screen is not an option for me right now.</p>

<p>⟐ Answered January 28, 2021 at 8:40 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/600155/Clean+OS+Install+on+Broken+Screen</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/600155</guid>
<pubDate>Thu, 28 Jan 2021 08:40:02 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Touchbar stopped working and a fuse burned?]]></title>
<description><![CDATA[<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/DjbGr2IXbbEwhGac.standard" width="282" height="211" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/DjbGr2IXbbEwhGac.huge&quot;, '', 'width=1600,height=1200')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/64ciJYpMOKRbEvAw.standard" width="169" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/64ciJYpMOKRbEvAw.huge&quot;, '', 'width=900,height=1200')" /></div>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/Q1tYbaUKcBG4WjPF.standard" width="169" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/Q1tYbaUKcBG4WjPF.huge&quot;, '', 'width=900,height=1200')" /></div>

<p>I am an amateur so bear with me. I started trying to repair this Macbook Pro some time ago. Its my own.</p>

<p>Today I disconnected and connected the motherboard due to some work in the power button / touch id (There is another post related to this.</p>

<p>So, that is a short summary and what happened now is that when I reassembled the computer and turned it on I notices that the touch bar was not showing anything so I turned off the computer and looked inside to have a look at a connector on a cable that I messed up a year ago (Sadly I was not as careful back..). While examining the cable and connector and touching it I noticed some smoke(?).. I thought that I imagined it.. Then I see sparks and a tiny fire! I rush to disconnect the cable from the connector and disconnect the battery..</p>

<p>Here I am now, with two questions:</p>

<ol><li>Where does the touch bar get its power from? I cant figure it out by myself.</li><li>What is this connector that I messed up used for and did I burn a fuse on the MB? How should I proceed?</li></ol>

<p>⟐ Commented May 18, 2026 at 14:19 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/805668/Touchbar+stopped+working+and+a+fuse+burned</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/805668</guid>
<pubDate>Mon, 18 May 2026 14:19:38 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: MacBook is super slow, kernel_task above 700% cpu, PMF006 and PPN001]]></title>
<description><![CDATA[<p>My MacBook Pro (2018 15” Touch Bar) started being super slow suddenly and fans are running at max speed even on a cold start. I quit all running programs and checked the activity monitor, there is a kernel_task using between 700-1000% cpu. I shut down the computer and ran Apple Diagnostics, it gave me the following errors:</p>

<p>''There may be an issue with the System Management Controller (SMC). Reference Code: <strong>PFM006''</strong></p>

<p>''There may be an issue with the power management system. Reference Code: <strong>PPN001''</strong></p>

<p>I tried resetting SMC but no luck.</p>

<p>I read on this website that some people had that issue after a liquid damage, that reminded me I had a few drops of a liquid on the trackpad last week (literally a few drops).</p>

<p>So I decided to open the computer (first time it is opened, I had never touched anything inside) to look for any liquid damage on the computer. I followed a tutorial on this website to remove the trackpad, and I didn’t find any corrosion on the trackpad nor on the cable between the trackpad and the board. I checked the mother board for any corrosion too but I didn’t find anything either (I really doubt the liquid would have gone to the motherboard anyway, since it was literally a few drops on the bottom left side of the trackpad. Also, I haven’t unscrew the mother board and check on the other side for any liquid damage yet.<br /></p>

<p>So here I am. The computer turns on and load etc, it’s just super slow, fans are running at max speed and the kernel_task is always above 700% cpu…<br /></p>

<p>Has anyone had this issue? Do you think I should unscrew the mother board and check under it even though I doubt the water would have gone so far? Should I replace the trackpad even if it seems to work properly? Are there other sensors I should check? (I believe this issue is due to some sensor not working properly)</p>

<p>Here is a screenshot of TG Pro:</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/lnLVCA5A4dBLJEPX.standard" width="212" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/lnLVCA5A4dBLJEPX.huge&quot;, '', 'width=1127,height=1200')" /></div>

<p>Here is a screenshot of Macs Fan Control:</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/lOQHMWgDk1XGQLym.standard" width="282" height="188" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/lOQHMWgDk1XGQLym.huge&quot;, '', 'width=1600,height=1069')" /></div>

<p>Here is a screenshot of iStats from the terminal:<br /></p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/IRoCE1Fi5SqqLlE6.standard" width="130" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/IRoCE1Fi5SqqLlE6.huge&quot;, '', 'width=692,height=1200')" /></div>

<p>I see some sensors with weird values with iStats but I’m not sure if they are really relevant since it shows negative values for cpu core 7 and 8 but I only have a 6-core cpu… Plus, TG Pro and Macs Fan Control seem to show normal temperatures.</p>

<p>Thank you for your help!</p>

<p>⟐ Commented November 02, 2023 at 21:40 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/630272/MacBook+is+super+slow,+kernel_task+above+700%25+cpu,+PMF006+and+PPN001</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/630272</guid>
<pubDate>Thu, 02 Nov 2023 21:40:41 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: Battery changed - still shows Service Recommended]]></title>
<description><![CDATA[<p>I changed the battery and got the computer all put back together. It charges and seems to hold a charge longer . When I first powered on the Mac Pro - for a short time the Service recommended notice went away but is now back.  I tried resetting the SMC but does not seem to have changed anything. I loaded Coconut battery and still shows the original battery information.</p>

<div class="imageBox imageBox_left"><img src="https://guide-images.cdn.ifixit.com/igi/ulEOKZdOW6dGwvfP.standard" width="252" height="225" class="hasMenu hasLarge" alt="Block Image" onclick="window.open(&quot;https:\/\/guide-images.cdn.ifixit.com\/igi\/ulEOKZdOW6dGwvfP.full&quot;, '', 'width=1060,height=948')" /></div>

<p>Could there be an issue with the Battery Board Data Cable if it isn't seated properly ? Wanted to ask for some advice before taking the computer apart again</p>

<p>⟐ Answered January 28, 2026 at 12:46 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/898847/Battery+changed+-+still+shows+Service+Recommended</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/898847</guid>
<pubDate>Wed, 28 Jan 2026 12:46:10 -0700</pubDate>
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<title><![CDATA[MacBook Pro 15" Touch Bar 2018: What could be wrong if "internet recovery" won't go through?]]></title>
<description><![CDATA[<p>Got this laptop from auction, and was told it was linking with another Apple ID for Activation.</p>

<p>When I turn it on, no matter if press “Command” + “R”, “D&quot; or “Option” key, it always go to “Internet Recovery Mode” with the “Global” rotating, but most of the time it won’t finish loading, instead it returns error like &quot;<a href="http://support.apple.com/imac/startup" rel="nofollow noopener noreferrer" target="_blank">support.apple.com/imac/startup</a> - 2100F”.</p>

<p>Is this due to Activation locked?</p>

<p>Any thoughts?</p>

<p>Thanks,</p>

<p>⟐ Commented October 13, 2025 at 13:46 MST</p>]]></description>
<link>https://www.ifixit.com/Answers/View/855676/What+could+be+wrong+if+%22internet+recovery%22+won&#039;t+go+through</link>
<guid isPermaLink="false" >https://www.ifixit.com/Answers/View/855676</guid>
<pubDate>Mon, 13 Oct 2025 13:46:22 -0700</pubDate>
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