To fix it, I have to keep manually resetting the mac until the tft powers up. Write For Us As I press the button to turn it on the white LED lights up, but only when the button is held pressed. Note: This is a bottom view of the connector when it is unplugged and facing up. manage system resets from various commands. Oferty. I just got this Mac from one of my friends, I plug it in and it makes a clicking noise. Then follow the procedure outlined below to determine whether the problem is related to the power supply. Press the SMU reset button on the logic board. Privacy Policy Sortowanie. If you're not sure about the outlet, test it with a lamp or other device. Do not turn on the computer. LED #1 is On. But fans are running, so it's doing something. It just remains on standby. Note: This is a top view of the connector when it is plugged into the logic board.

Make sure the computer is starting up properly.

OK I tried that (well I tested the battery and it still had some juice left so I doubt that it was the problem). If your Mac has no signs of power, start by making sure that it's receiving power: Make sure that your power cable is undamaged and securely plugged into your Mac and a working power point. Unplug the power from the iMac G5 and remove the internal hard drive and set it aside. 2. 14. The computer however does not turn on (no fans, no boot, nothing but the white LED). Accessibility. In response to Chucklz, Jul 22, 2008 3:01 PM in response to DaddyPaycheck 2.

Question: Q: Power Mac G5 Won't Turn On. Go to step 13.

The back cover should be replaced. If your Mac has signs of power but the screen remains blank, try the. @oldturkey03, Slam Buffington, first try what Apple suggest:", Power-on LED illuminates when power button is pressed but fans do not spin (or spin only momentarily) and there is no boot tone or video, 1. On the power supply cable connector: connect the black lead of the volt meter to pin 23 and connect the red lead of the volt meter to pin 1. Does the computer start up normally now?

Round the back of the G5, where the power cord plugs in the may be a small slot through which you can see a sliding switch with voltage and current settings printed on it. Yes: Press and hold the power button until the computer powers off. Turn the computer on by using the internal power button. Joined Feb 13, 2009 Messages 1 Reaction score 0 Points 1. This indicates that your power supply should be replaced. Important: Be very careful when handling the logic board. Once more, press and hold the power button for 10 seconds, then press it again.

I says to take to AASP, or the RAM is bad. Note: To verify the power supply, you need a volt meter. No: This indicates that the power button switch is not working correctly. The video works and it shows a folder with a mac sign and question mark (probibly cause there is no hard disk and therefore no OS). Once more, press and hold the power button for 10 seconds, then press it again. Make sure that your display's brightness is turned up. Advertise Hi all, I'm a bit new to Macs. (You could have an issue with one or more of those devices or their cables.) Thread starter Wickerman.... Start date Feb 13, 2009; W. Wickerman.... New member. It just recently decided not to power up.



So are you saying that I should switch 'em or replace the battery or what?

My PowerMac G5 computer is not displaying anything when i turn it on and then the fan starts to run without - Answered by a verified Mac Support Specialist We use cookies to give you the best possible experience on our website. Remove keyboard, mouse, and other peripherals such as speakers. About (The blinks were 5 seconds apart but chen I counted 5 the blink blinked...can I add a video of the blinks?). It was discontinued in 2006 as part of the Intel switch first to developers then consumers. LICYTACJA. 2 500, 00 zł. The plastic deflector isn't being sensed. Yes: This shows that the power button switch is working correctly. Classic MAC, The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. I thought this noise was for the power being connected into the board.

OK I just tried to turn on the computer and it did nothing this time (I plugged it in and it did its little clicking thing but when I pressed the power button it did nothing). | I have a Power Mac G5 (Late 2005) and the front LED light will turn on, along with 1 light inside. 1. Q: I just pressed the PMU for 30 seconds and my Mac is back to normal.

If you're not sure about the outlet, test it with a lamp or other device. Lights, such as from a backlit keyboard , Caps Lock key or sleep indicator light.



To start the conversation again, simply ask a new question. There are also some more clicking noises like when a circuit breaker brakes.

In response to DaddyPaycheck, Jul 22, 2008 3:04 PM in response to Chucklz Go on to the next step. 13. If the battery is good, go directly to step. No: Go to the next step. If I switch outlets, I get same thing. When I turn on the power button, it briefly lights up, then goes off. If you're using a Mac notebook, make sure that it's using the, If you're using an external display, make sure that it's turned on, securely connected to your Mac, and isn't experiencing any. Less. Joined Jul 24, 2008 Messages 4 Reaction score 0 Points 1. I'll get the battery either tonight or tomarrow. I aquired an Power Mac G5 today.

After pressing the SMU button, press the internal power button again. Mac notebook computers have a Brightness Up. In response to DaddyPaycheck, Jul 23, 2008 1:22 PM in response to Chucklz The monitor light is NOT on.

Any help in this will be EXTREMELY appreciated. If the PMU crashes and is not reset, the battery life goes from about five years to about two days.

The SMU is the small metal button (shown below) located below the internal power button.

Apple may provide or recommend responses as a possible solution based on the information provided; every potential issue may involve several factors not detailed in the conversations captured in an electronic forum and Apple can therefore provide no guarantee as to the efficacy of any proposed solutions on the community forums. ", © 2020 iFixit — Licensed under Creative Commons — Privacy —

oldturkey03 … Verify power supply cables are fully connected. Press the power button on your Mac.
Check the connection of the power cord on both ends. Learn how to troubleshoot USB-C power adaptors or MagSafe power adaptors. light on, but no power up. Note: The above procedure resets the computer’s PRAM.

Every Mac has a power button, usually marked with a power symbol . Power Mac G5 AND quicksilver WONT turn on -_-Thread starter exXit; Start date Aug 21, 2010; E. exXit New member. After the storm I plugged everything back in. Mac OS 8.6 or Earlier, The PowerMac G5 is a desktop computer first produced in 2003 by the Apple Corporation. In response to DaddyPaycheck, Jul 22, 2008 3:51 PM in response to DaddyPaycheck
5. Turn off the computer by selecting Shut Down from the Apple menu or by holding the power button until the computer turns off. Thanks, it turns out that the memory I put into my mac was too slow (I think it was PC2100). 1. (You could have an issue with one or more of those devices or their cables.) After resetting the PMU, be sure to reset the time, date, and other system parameter settings.



In response to Chucklz, Jul 22, 2008 3:28 PM in response to DaddyPaycheck Use a known good power cord. Go to step 8. This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. To power on, the computer’s logic board requires a “trickle” power of +5V.

User profile for user: 2. In response to DaddyPaycheck, Jul 22, 2008 2:57 PM in response to Chucklz Replace the fan assembly, air deflector, and outer door. the white LED does blink in a pattern (...1...2...3...4...5...) and I remember reading something that explains what these blink codes mean, I just have to find it. In response to DaddyPaycheck, Jul 26, 2008 10:45 AM in response to DaddyPaycheck Refer to “Power Supply. If the computer does not power on, there is something else wrong with it. The PMU (Power Management Unit) is a microcontroller chip that controls all power functions for this computer. Then try these solutions, whether or not your Mac has signs of power: Press and hold the power button on your Mac for 10 seconds, then press it again. If the computer will ONLY start up from the internal power but will not power on from the power button on the back cover, this may indicate that the power button on the back cover is faulty. Plug a known good power cord into the computer.

Plug in the iMac G5, and using the Internal power button as before, power on the iMac G5.

And will not change. 2. Check the power cord. If the system fails to power on, first reset the PMU. If the voltage is still not present, replace the power supply.

Press the PMU reset button once and then proceed to step 3. To start the conversation again, simply ask a new question. (Make sure video card is fully inserted in connector and end of card is secured by the connector latch.). If your Mac has no signs of power, start by making sure that it's receiving power: Make sure that your power cable is undamaged and securely plugged into your Mac and a working electrical outlet. Unplug the power from the iMac G5 and remove the internal hard drive and set it aside. | If you do not get a reading of +5V, recheck the volt meter connections and measure the voltage again.

If the computer will ONLY start up from the internal power but will not power on from the power button on the back cover, the power button on the back cover may be faulty.

Remove the back cover to access the diagnostic LEDs on the main logic board. 3 dni. Hey j baez- good job solving your question, however can you please post the solution as an Answer and Accept that so people can see the solution? 12.

This guide will review the repair process of an Apple PowerMac G5 model number A1047 EMC 2061 from 2004. If the computer will ONLY start up from the internal power but will not power on from the power button on the back cover, this may indicate that the power button on the back cover is faulty. Refer to the iMac G5 Repair Extension Program for video and power issues mentioned at the beginning of this chapter.

12. Momentarily: The logic board has detected 12v, but the power supply cannot maintain it. When you have a computer that fails to power up, follow this procedure before replacing any modules: 1.