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No signal on monitor - possible boot failure

Ayman Altounji
Valued Contributor

No signal on monitor - possible boot failure

I have a boot problem with a 4500R. The system powers-up, the array powers-up and initialises, the CD-Rom tray works but I get no signal on the monitor. I believe it could just be the onboard graphics connecter but I'm concerned that the disks don't have any activity (read/write) once they have initialised i.e. boot sequence. Any ideas?? .. Is this normal? Would the system halt from booting if the graphics card fails?

I have re-seated everything and checked the manual to ensure everything is in the right place. I do have one concern however... I have read that the simms should be inserted in fours. I bought my system second-hand and it came with only two simms. Could this cause the problem?
3 REPLIES
Ayman Altounji
Valued Contributor

Re: No signal on monitor - possible boot failure

I believe I have solved the problem. It was indeed the memory that was causing the problem. I put in another two simms and booted the server. The screen came on and the system began to boot. The system halteed at POST however with a memory error and wouldn't let me go any further. I just have to get my hands on some 4500R memory now!!
Ayman Altounji
Valued Contributor

Re: No signal on monitor - possible boot failure

What specific memory error? It may only require you to run System Configuration to fix this...
The Apple Core
Occasional Visitor

Re: No signal on monitor - possible boot failure

The SIMMs have to be identical. Actually, I ran into a similar no signal on monitor problem. No signal on the monitor is caused by a problem with your processor card. What that problem is, I don't know. Take a close look at the card and make sure the chip is seated. A glance at all those little L2 cache chips wouldn't hurt either.