Gateway Power Problem

March 9, 2011 at 16:32:25
Specs: Gateway MX7118, 787MHz/448MB
Can a bad memory card stop a laptop from starting up? I have a Gateway MX7118 laptop that powers up for a few seconds then shuts down. It tries a second attempt to power up but then just shuts down again after a few seconds and thats it. I was told all I need is the mobo (which is brand new)the CPU and RAM (Memory Card) installed to power up laptop on the bench.Thats what brings me to this question of memory card/stick. Before the Mobo was replaced it did the same thing. Once the "new" Mobo was installed it worked for about (3) hours then right back to this power up condition. Can a memory card have intermittent failures? Cuz I did R&R the the old Mobo and it worked for an hour!! Then back to the power up problem. I really think both Mobo's are fine (Thanks Best Buy techs...lol) I need some real techs advice on this...Thanks

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#1
March 9, 2011 at 16:52:02
Bad ram can cause all kinds of flukey things, but heat is what usually makes them shutoff immediately. Easy enough to swap out the ram module and test it. Is the cpu in right? Fans all clean and running. I gather you tested the power supply?

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#2
March 9, 2011 at 17:35:55
I tested the power supply and its output is right at 18.5vdc as the label says on the power supply. I don't have a "spare" ram module at this time. I did talk to Gateway support nad they also asked if I had CPU in right. The angled corner matches the angled base so "I think" I have that in right. When my friend brought it to me it was doing this power failure thing also and I know she didn't remove the CPU so I kinda have eliminated that. Fans are clean "but" do not power up when I try to start it.

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#3
September 3, 2011 at 12:24:41
Don't need memory card installed to power up unit. Just need power to mobo, processor, screen & power strip connected. After months of trial and error, new motherboard, came to find out it was a bad processor. Problem with Gateway MX 7118 (XP Media Center Edition) is it can operate at speeds from 787MHz up to 2200 MHz and it's system memory is shipped with 512MB RAM so basically the processor is doing all the work and getting very hot...which in turn takes it out.

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