DP35DP won't boot with 2 video cards installed

[Tamkinat]

I have approximately identical config that you have Intel dp35dp , I encompass try to install leopard retail 10.5.1 by means of boot 132 and I encompass failed, additional than right at present I am using leopard 10.5.5 by means of the iatkos 5i DVD install, I desire to ask you something, I have 2 tribulations, number one is that if I update to 10.5.6 my time machine stop running and I imagine is for the reason that the dsdt, the additional thing is I am using nvdarwin for nvidio 7800 gt 256 and I have the OHS.kext for the restart shutdown difficulty additional than my system would not boot up. What suggestion is able to you gave me the entire my hardware is running absolutely simply the shutdown problem for at present I am able to stay on 10.5.5 additional than actually determine to be great if I be able to install it.

[Apple.Mac.Rocker]

You determine to observe lights onboard and on the chassis frontage panel and the processor fan determine to spin, additional than nothing determine to come into view on the monitor. If the power make available cable by means of the 2x2 connector or 2x4 connector (depending on your desktop board), is not plugged into the 12V processor core voltage connector situated near the processor socket, the system determine to not boot up.

[Sn0w-Le0p@rD]

No boot circumstances are able to be caused by several of the following. If you encompass installed an irreconcilable processor, the system determine to not boot. Create certain the selected processor model is accurate for your desktop board. A number of processors require unambiguous desktop board versions or descriptions and BIOS revisions. To locate the supported processor register for your board, go to Supported Processors. If the processor is well-matched, try removing and reinstalling the processor to create certain it is installed properly.

[Abhibhava]

If the processor is overheats, the system might not boot or possibly determine to shut down shortly subsequent to booting. Create certain the fans on the processor are associated correctly and working. Create certain that the thermal interface material or the thermal grease is practical to the processor correctly. Make sure that the power make available fan is working appropriately and several additional exterior case fans are working appropriately. Make sure that the air intakes for the exterior fans are unhindered and encompass at least several inches away from walls and additional items.

[CAILYN]

No boot conditions are capable of be caused by some of the following. If you have comprise installed mismatched memory modules, the system possibly determine to not boot. Confirm the memory you have installed has been tested by means of your board. To locate the tested memory register for your board, for this you have to go to the Tested Memory. If the memory is well-matched, try removing and reinstalling the memory modules to create certain they are installed appropriately.

[Felix46]

A number of desktop boards necessitate you to populate the memory sockets starting by means of the first socket. The merchandise guide for your desktop board determines to indicate such a prerequisite. If you comprise defective memory modules, the system might not boot. One, two or three beeps at boot designate imperfect memory. To isolate a unambiguous memory module as defective, boot the system by means of presently one memory module installed at a time.

[desilva]

No boot positions are able to be caused by several of the following power make obtainable, chassis or fan issues: Authenticate that your chassis and power provide is suitable for the processor model and occurrence and the desktop board you comprise. An ATX12V or SFX12V by means of the 2x2 connector is required for the entire Pentium 4 processor based and superior Intel Desktop Boards. Power expenditure necessities for high-end video cards, sound cards, peripherals, and the Pentium 4 processor determine to go beyond the typical 5A current capacity of customary ATX & SPX power supplies.