At 11:52 PM +0000 12/28/2002, SimPanda wrote:
>I have a Quadra 840AV that I found one day on my way home from work. I
>brought it home, hooked it up to my monitor and keyboard, and found it
>worked just fine. I decided to do a few upgrades on it by adding memory
>and filling the vram slots. Since then I can not get it to start up
>again. When I try to start it, I get no chime, just a blank gray screen
>with the cursor in the upper left hand corner.
>Here's a list of what I've tried to remedy the problem with no results:
>I removed all of the upgrades I added except for one simm that I know is
>good. No go.
>I tried starting up from a system floppy. No go. Just the blank gray
>screen with the cursor that won't move.
>I tried starting up from an original Quadra 840AV system CD. See above.
>I replaced the PRAM battery with a brand new one. No good even after I
>have left it without a battery overnight.
>I tried zapping the PRAM.
>I have checked all of my cables numerous times, and all seem to be
>seated solidly.
>I have no external SCSI items connected to the machine.
>Right now my biggest fear is that I may have damaged the motherboard
>with static, even though I was very careful.
>But I must admit I had one hell of a time getting everything aligned
>properly each time I put the motherboard back. Is this something other
>Quadra 840AV owners have experienced? Is there anything I can do to fix

If you are stuck on a gray screen then the startup disk is not an 
issue, it's not getting that far.    Best guess is that some of the 
VRAM is either mis-seated, wrong or bad.  Also possibly the RAM is 
also in similar straights.

Start by removing the RAM you added.  If that doesn't help then 
remove the added VRAM.
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

"I'm a designated driver on the Information Super Highway"

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