Skip to main content

2020 IMac 27inch No Power Troubleshooting

11 pages · 114.66 KB · PDF

1RGLYPH<c=3,font=/YMSIOD+font000000002582bdf2>3RZHU

8QOLNHO\GLYPH<c=3,font=/YMSIOD+font000000002582bdf2>FDXVHVGLYPH<c=29,font=/YMSIOD+font000000002582bdf2>

&DPHUDGLYPH<c=18,font=/QQFVTQ+font000000002582bdf2>PLFURSKRQHGLYPH<c=18,font=/QQFVTQ+font000000002582bdf2>$/6GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>FDEOHGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>IDQGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>H'3GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>FDEOHGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>GLVSOD\GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>SDQHOGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>OHIWGLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>VSHDNHUGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>PHPRU\GLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>ULJKWGLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>VSHDNHUGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>IODVKGLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>VWRUDJHGLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>FDUGGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2> VWDQGGLYPH<c=15,font=/QQFVTQ+font000000002582bdf2>GLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>:LGLYPH<c=16,font=/QQFVTQ+font000000002582bdf2>)LGLYPH<c=18,font=/QQFVTQ+font000000002582bdf2>%OXHWRRWKGLYPH<c=3,font=/QQFVTQ+font000000002582bdf2>DQWHQQDVGLYPH<c=17,font=/QQFVTQ+font000000002582bdf2>

4XLFNGLYPH<c=3,font=/YMSIOD+font000000002582bdf2>&KHFN

Table Caption: This table lists various computer-related functions and actions, categorized under headings like "System Configuration," "Troubleshooting," and "Safety Precautions." It details tasks such as connecting, disconnecting, and resetting computer components, along with warnings and important procedures.

Table Caption: This table outlines troubleshooting steps for a computer that will not turn on, detailing checks for power source, connections, and internal components, along with actions and corresponding codes.

Table Caption: This table outlines a troubleshooting procedure for a computer, specifically focusing on power-related issues after disconnecting the computer from the electrical outlet. It guides the user through checking for damage and determining if further escalation is required.

Table Caption: This table outlines troubleshooting steps for a computer, including checking power, performing a hard reset, and verifying LED status.

Table Caption: This table outlines troubleshooting steps for a power button, including checks, results, action codes, and relevant commodities, with a specific focus on power button behavior.

Table Caption: This table outlines troubleshooting steps for a computer's power and display, detailing actions, expected results, and relevant code snippets.

Table Caption: This table outlines troubleshooting steps for a computer issue, detailing checks, results, actions, associated codes, and affected commodities. It categorizes potential problems and their corresponding solutions.

Table Caption: This table outlines troubleshooting steps for a "60&" issue, with columns for the procedure, whether the result is "Yes," the action to take, a code associated with the text, and a column for "Commodity."

Table Caption: This table outlines troubleshooting steps for potential damage to power button cable, main logic board, power supply, or logic board connectors, categorizing the action based on whether the damage is limited to the power button cable or involves multiple parts requiring escalation.

Table Caption: This table appears to be a diagnostic or troubleshooting guide for a power button issue on a device, detailing checks, expected results, actions, and corresponding codes.

Join iFixit for free to read the full document (11 pages)

We require a free account to help block bots and preserve iFixit for humans.

View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 1

All Time: 65