Long story short....
I blew my PSU one day when I switched on the computer (spike in electricity mains I guess - Have now invested in a surge protector).
I bought a new PSU and the computer was still not working (No beeps, Can't get to BIOS), So I thought the MoBo must have had gone too and so bought a new motherboard.
New motherboard did not work either (exact same problem), I'm kinda frustrated and tried the board with just one stick of RAM and hey presto it works.
Tried same in old Motherboard and same thing it works too (now got a spare motherboard as it was not the problem).
Anyway I test all 4x512MB DDR PC3200 sticks of ram individualy with Memtest86 and they all pass several times with no errors. The same when combining them and using them in none dual mode - No problems.
HOWEVER: If I use them in dual mode (like I used to do) Memtest goes crazy with errors and even stops the tests. No matter if I have 2 in dual or 4 or 3 sticks in my computer.. All errors. Only having 2 sticks in none dual works fine with no problems (just i'm limited to 1GB in ram none dual on Vista 64 so basicaly my computer is crippled to the point of agony to use it).
When I tryto boot the computer with the memory in dual mode it gets passed bios and splashscreen. But where it whould have the windows logo and load up screen progress bar instead the computer crashes out and just displays weird colours and symbols all over the screen (A bit like when C64 or ZX Spectrums used to crash). I know this must mean it is the memory. But why only in dual mode? BTW I also have a Diagnositc Bracket connected up with the 4 lights system and that says the memory and everything else is alright too.
So is there any way to fix this? Why does the memory work fine when individual and/or not in dual mode?
They worked perfect before the PSU blew. I have the same problem on BOTH motherboards aswell (so it rules out a problem with the board).
It is weird how memtest86 has no errors with them individualy or even paired up in none dual mode. But all hell breaks loose when any are in dual.
Surely if it was dodgey memory it would show up both in dual and none-dual modes?
MEMORY: 4 x GEIL 512MB PC3200 DDR400 CL=2.5-6-3-3
Motherboards: BOTH are MSI RD480 Neo2
I'm at a loss here... I would buy some new memory sticks but I'm worried it is a waste of money as they may not work in dual and then I really am scratching my head as like I say it can't be two MoBos with same fault. Maybe the CPU is knackered and can't hanldle dual anymore or something crazy? I have no idea, I know it sounds stupid.
I just find it weird memory is perfectly fine without dual mode and shows no errors at all (shame I can't use all 2Gigs that way as there would be no problem).
Thanks for any help or advice on the matter, I'm clutching at straws that it is not dodgey memory doue to the power spike meaning they can no longer work in dual mode somehow (maybe it shagged there timings but somehow memtest86 does not pick up on that?).
I blew my PSU one day when I switched on the computer (spike in electricity mains I guess - Have now invested in a surge protector).
I bought a new PSU and the computer was still not working (No beeps, Can't get to BIOS), So I thought the MoBo must have had gone too and so bought a new motherboard.
New motherboard did not work either (exact same problem), I'm kinda frustrated and tried the board with just one stick of RAM and hey presto it works.
Tried same in old Motherboard and same thing it works too (now got a spare motherboard as it was not the problem).
Anyway I test all 4x512MB DDR PC3200 sticks of ram individualy with Memtest86 and they all pass several times with no errors. The same when combining them and using them in none dual mode - No problems.
HOWEVER: If I use them in dual mode (like I used to do) Memtest goes crazy with errors and even stops the tests. No matter if I have 2 in dual or 4 or 3 sticks in my computer.. All errors. Only having 2 sticks in none dual works fine with no problems (just i'm limited to 1GB in ram none dual on Vista 64 so basicaly my computer is crippled to the point of agony to use it).
When I tryto boot the computer with the memory in dual mode it gets passed bios and splashscreen. But where it whould have the windows logo and load up screen progress bar instead the computer crashes out and just displays weird colours and symbols all over the screen (A bit like when C64 or ZX Spectrums used to crash). I know this must mean it is the memory. But why only in dual mode? BTW I also have a Diagnositc Bracket connected up with the 4 lights system and that says the memory and everything else is alright too.
So is there any way to fix this? Why does the memory work fine when individual and/or not in dual mode?
They worked perfect before the PSU blew. I have the same problem on BOTH motherboards aswell (so it rules out a problem with the board).
It is weird how memtest86 has no errors with them individualy or even paired up in none dual mode. But all hell breaks loose when any are in dual.
Surely if it was dodgey memory it would show up both in dual and none-dual modes?
MEMORY: 4 x GEIL 512MB PC3200 DDR400 CL=2.5-6-3-3
Motherboards: BOTH are MSI RD480 Neo2
I'm at a loss here... I would buy some new memory sticks but I'm worried it is a waste of money as they may not work in dual and then I really am scratching my head as like I say it can't be two MoBos with same fault. Maybe the CPU is knackered and can't hanldle dual anymore or something crazy? I have no idea, I know it sounds stupid.
I just find it weird memory is perfectly fine without dual mode and shows no errors at all (shame I can't use all 2Gigs that way as there would be no problem).
Thanks for any help or advice on the matter, I'm clutching at straws that it is not dodgey memory doue to the power spike meaning they can no longer work in dual mode somehow (maybe it shagged there timings but somehow memtest86 does not pick up on that?).
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