- #Apple mac g5 desktop beeps twice no video install#
- #Apple mac g5 desktop beeps twice no video manual#
- #Apple mac g5 desktop beeps twice no video pro#
Plug the power cord back into the computer and press the power button on the back cover to turn it on. Return the computer to the upright position.
Unplug the the power cord from the iMac and replace the back cover. Press and hold the power button until the computer turns off. Turn the computer on using the internal power button (press the small, metal button under the fan cover as shown below).ĭoes the computer start up normally after pressing the internal power button? Please schedule a service appointment with either an Apple Retail Store or an Apple Authorized Service Provider. If LED 1 is off, the computer's power supply should be replaced. If LED 1 is on, the power supply is getting power from the electrical outlet. Plug the power cord into your iMac G5 and into a working electrical outlet. With the back cover removed, locate diagnostic LEDs 1 through 4 on the main logic board, shown above the large white arrow in the image below.
#Apple mac g5 desktop beeps twice no video manual#
Remove the back cover to access the diagnostic LEDs on the main logic board (see Chapter 4 of your iMac G5 User Manual for instructions on removing the back cover). Use a power cord that you know works.Ĭheck both ends of the power cord to make sure that the plug is securely inserted into both the AC outlet and back of the computer.ĭisconnect the keyboard, mouse, and other peripherals (such as speakers) from your computer. Plug a different device (such as a working lamp) into the socket to make sure it has power, or plug your iMac G5 into another outlet.Ĭheck the power cord. Make sure that the power outlet you are plugging your computer into is working. This article does not apply to iMac G5 (iSight) computers. But with El Capitan it automatically installs a 13,2.F your iMac G5 won't turn on-the display has no picture or color, and you don't hear fan or hard drive activity sounds-follow these steps to troubleshoot the issue.
#Apple mac g5 desktop beeps twice no video pro#
After adding the other 3 RAM in their previous slots, everything works now (only Win7 tested).Ĭould there be a mistake in the powermanagement of the macOS for the CPU - to my understanding, there is not the optimal management (or none) for CPU in such a hackintosh?ĮDIT: Could that be the problem - I used the recommendation of installing the Mac ID "iMac 14,2", although I only have a Ivy Processor (and not a Haswell) originally with Mavericks, I was on a Mac Pro 3,1. I then put out the graphic card (hd5750) put out 3 of 4 RAM (four identical 4GB 1667), and all of a sudden it started (although internet pages did not fully load). This might not be a hackintosh problem, but perhaps motherboard / CPU / RAM. I could neither start from my Win7 sdd, nor from any other macOS hdd (Mavericks running usually on internal other hdd).
#Apple mac g5 desktop beeps twice no video install#
I had to restart several times to update, install or modify the Audio and other parts - and could even start from the USB hdd / Clover-root2.3 / El Capitan, but when I thought Sierra would be close to be installed ( I think three automatic and manual reboots with 17, 7 and 2 minutes) the system obviously crashed: no beep, no bios.Īfter I learned from my first, similar crash a week ago, that waiting for several hours made the computer happy again, I tried this, but today, initially ONLY the BIOS screen started, but I could not go further.
I installed or tried to install one of the newer macOS (10.11 and 10.12) on an external 2,5" hdd (placed on a cold metal case for larger hdd, so should not get too warm). Building a CustoMac Hackintosh: Buyer's Guide