Imac Flashing

My dad has a slot loading iMac DV. I upgraded him from 10.2.1 to 10.2.6. I also installed iChat AV and iTunes 4 for him. Shortly after I did so, it froze up. Now he can't start it up. ...

cd but during installation i got a system error and had to restart but when it started up all i get a a gray screen with a folder in the middle with the mac icon flashing to question mark and back n forth. im stuck here. wat could be the problem. i cant even get the cd out to put in the system restore cd in. ...

To upgrade my iMac (233 MHz Rev. B with tray-loading CD-ROM), I bought a 256 MB RAM chip and a 40 GB IBM hard disk (DeskStar 40GXP). The iMac immediately recognized the additional memory, but I ran into an unexpected problem with the new disk: I partitioned it with the DriveSetup utility from an original MacOS 9.0 CD (Intern'l English), respecting that boot partitions must...

Today when i turned my imac on.. ...

We recently took ownership of a used G4 iMac from my father. The original hard drive was faulty and needed to be replaced according to an Authorized Apple Dealer in MA. ...

Firewire HD. It was DOA and I replaced the PCB on the HD. Now I have flashing blue lights on the front. At Maxtor they say this means its process data. ...

We recently took ownership of a used G4 iMac from my father. The original hard drive was faulty and needed to be replaced according to an Authorized Apple Dealer in MA. ...

Alas, no go. Light is flashing amber. ...

party applications from my iMac to my Powerbook. ...

The light on the front is normally the sleep light. If it flashes at boot, then that is likely a problem with the RAM memory that you installed. The memory may be incorrect for that iMac. If you installed the memory by taking the back off, and you can see the hard drive and logic board and everything else, then the correct memory will be PC3200 SDRAM. If, instead, then...