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New paired ram, boots intermittently
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I have a Toshiba Satellite A135-S4467 that I upgraded to 2x2 gig of ram (paired set). Have run the laptop several days and now suddenly won't boot up. I've reseated the ram and removed battery, and it booted right up and worked fine. Shut it down, left it for an hour and it won't boot up again. Any suggestions are really appreciated. BTW, Toshiba model allows 4 gig on the dual core, but it will only read 3.1 ..checked all this out before I upgraded. Thanks 
Last edited by DTaly; Aug 7th, 2008 at 2:52 pm.
if your system allows 4gb and the system only reads 3.1 GB theres somthing wrong is the memory being read minus the video being shared or, yet is your system video use shared memory and if it is how much, does it account after the video shared is minus from the main memory
try isolating the problem since this whole thing started only after you upgrade, try the old memory back and see what happens or better yet, try the memory one by one,analyze then isolate, this are the best steps in troubleshooting.
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Originally Posted by junt 
if your system allows 4gb and the system only reads 3.1 GB theres somthing wrong is the memory being read minus the video being shared or, yet is your system video use shared memory and if it is how much, does it account after the video shared is minus from the main memory
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Originally Posted by junt
try isolating the problem since this whole thing started only after you upgrade, try the old memory back and see what happens or better yet, try the memory one by one,analyze then isolate, this are the best steps in troubleshooting.
Toshiba.com tells us that it will only read 3.1 with 4 installed. That isn't the issue though. The issue I believe has been solved, I isolated that even though the ram was paired, they only worked separately. I called the retailer and am having another set shipped, however, a different brand. Thanks for the help!
Just for the record, a 32-bit Windows operating system will recognize up to 4GB of RAM, but will not show the total amount because of the draw from critical functions such as the system BIOS, motherboard resources, memory mapped I/O, AGP, PCI, PCI-E, and other memory allocations for PCI devices.
Different onboard devices and different add-on cards (devices) will result in different total memory size. This means that the more PCI cards installed will require more memory resources, resulting of less memory free for other uses.
Different onboard devices and different add-on cards (devices) will result in different total memory size. This means that the more PCI cards installed will require more memory resources, resulting of less memory free for other uses.
I wouldn't join any club that would have me as a member.
Groucho Marx
Groucho Marx
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Originally Posted by 4th&3wood
Just for the record, a 32-bit Windows operating system will recognize up to 4GB of RAM, but will not show the total amount because of the draw from critical functions such as the system BIOS, motherboard resources, memory mapped I/O, AGP, PCI, PCI-E, and other memory allocations for PCI devices.
Different onboard devices and different add-on cards (devices) will result in different total memory size. This means that the more PCI cards installed will require more memory resources, resulting of less memory free for other uses.
Yes, indeed; you are exactly correct. I was too frustrated to completely explain why this occurs, so thank you for explaining for all other members.
Well, here I am again....now have Kingston RAM.....and it booted right up after installation, but shutting down and rebooting after half an hour takes three or four tries......any ideas?
And how many times have you tried to reboot where it took 3-4 times??? I d suggest to run memtest and check for the ram integrity to make sure that this new RAM is good.
Raj
Raj
The laptop has been off over night. This morning I booted once, black screen; shut down; rebooted after 30 seconds and it booted up. Used it awhile (works fine) and shut down for 4 hours; booted up...black screen; shut down 30 seconds, booted again and it came directly up. I've reseated modules and all four gigs are showing at bootup. I'll do a couple more things before I go on. Yes, the mem test, I wish there were an easier way. Thanks.
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