usually what happens is the BGA grid breaks up with that geforce go video processor. if you flood the array with flux and heat it up till the solder reflows, it usually works, but sometimes it doesn't.
obviously there is a professional way to do it if you have a BGA re-work station etc. On Fri, Oct 11, 2013 at 5:28 PM, peteru...@gmail.com <peteru...@gmail.com>wrote: > Pardon me if I’m posting to the wrong list, but I figure you might give me > a hint, even so: > I have a PowerBook G4 that went weird on me this summer. First a kernel > panic, and then only able to boot from DVD, although ocasionally able to > boot on its own, all the way to being able to open a few apps such as iCal > and Address book to export backups. Apple Hardware Test, after much > grinding, gave me a number, but it was undreadable, due to the screen > turning all stripey (half centimete horizontal dark grey unreadble > stripes). The mouse pointer turned to a largish block, about 1-2 > centimetres square before this happens. It reminds me of how an iBook > (those thick white plastic dual bootable machines) failed due to a loose > soldering in a videochip, temporarily amandable by squeeszing the right > hand side of the machine. It didn’t work on my PB, but even if it won’t > boot, I could still get all the stuff of the HD with Targer Mode. But I > think it’s toast, considering its age. > The iMac G5, also PowerPC, had been sitting in a closet for half a year. > Dug it out, booted it, and the logins screen and deksktop came up fine, but > the time and date never showed up, and I got the spinnig beach ball all the > time. Turned it off, and on again (after a wait), and then first just got a > gray screen,, and then a flashing folder icon, flashing the Apple icon > ("face") and a question mark, which I guess means the HD is dead. Is it > worth it to stuff in a new HD, or is it best tossed away, considering its > age? (It is a good machine for surfing and e-mail, although slow for the > modern media such as youtube etc.). > If I have posted to the worng group, I humbly ask for forgiveness and for > the use of your time! > Peter, Oslo, Norway > > -- > -- > ----- > You received this message because you are a member of the Vintage Macs > group. > The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our > netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml > To post to this group, send email to vintage-macs@googlegroups.com > To leave this group, send email to > vintage-macs+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/vintage-macs > > Support for older Macs: http://lowendmac.com/services/ > --- > You received this message because you are subscribed to the Google Groups > "Vintage Macs" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to vintage-macs+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. > -- Charles -- -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to vintage-macs@googlegroups.com To leave this group, send email to vintage-macs+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/ --- You received this message because you are subscribed to the Google Groups "Vintage Macs" group. To unsubscribe from this group and stop receiving emails from it, send an email to vintage-macs+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.