Blank screen after installing ram and BSOD

September 9, 2010 at 12:25:46
Specs: Windows Vista
I have an hp m8300f computer which came with 2 gbs of ram to start. After a while I started to get blue screens of death and I found out it was attributed to the ram being bad. So I just went out and bought the same type of ram, same size, and installed them. When I have them both installed the computer starts up, but the monitor remains black. When I take out one, it starts up, and it works, but I get blue screens of death saying 'page fault in non paged area' and 'irql less or not equal'. I don't have the manual for my comp but I read a few topics with people having similar problems and I figured maybe it was the volts, or that I need to adjust something on the motherboard? I know the ram is right, I just don't know if the computer is reading it correctly because the ram is newer and prob more advanced then the old ram. Also,
I ran memtest and the old ones were faulty, the new ones should be fine. When I alternate them they both work, but just not together. The comp had 4 slots though. 2 are white, 2 are blue. The white slots contain 2 512mb sticks in them and I did not replace these. What are these slots for? Can I just take out the 512 sticks, and only keep the two 1gb sticks in the blue slots? Maybe I should have replaced these too?

See More: Blank screen after installing ram and BSOD

September 9, 2010 at 12:29:36
try to restart with only 1 stick of ran in your PC and see if you are getting an error. Please post your results

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September 9, 2010 at 12:43:12
I have restarted with only one stick of ram and it starts, but I'm still getting the BSODs. When I put both of the GB sticks in the monitor screen just stays black. I don't know if the 512mb sticks are bad though, and I don't know what they are for so I don't want to remove them just yet. Maybe its not working because the 512mb sticks are old and not the same brand as the newly purchased 1gb sticks? That still doesn't explain why it would work with 1 in but not both.

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September 9, 2010 at 13:34:03
When I was first starting in I.T. and had to troubleshoot situations like this I would go all the way back to the basics. I would start with 1 known good stick of RAM, video card and only what I need to boot the PC. Then add pieces one at a time until I get the error. That should help you pin point what the problem is. It may not be the ram at all.
Also, some motherboards are very picky when it comes to RAM (especially Dell's) so it may be that the ram is fine but the motherboard doesn't work with it.

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September 9, 2010 at 14:38:45
Alright, so I took out all of the ram to try and get this thing working. I thought maybe the 512 sticks were bad so I took them out and put 1gb stick in the first slot (which was the white one), then I proceeded to put the other gb stick into the 3rd slot, which is the 1st blue slot. The computer boots and it runs, but I don't think this solved my problem. The reason I don't think this fixed my problem is because when I was browsing the internet the computer just shut down. I didn't see any blue screen, it kind of just looked like the power was disconnected and the monitor screen said no imput. Then it immediately began restarting and it brought me to the screen saying the computer shut down and asked me whether I wanted to run startup repair. I'm happy that it wasn't a BSOD but the computer restarting unexpectedly is the real issue. I don't want to start doing any work because I don't want my computer to restart unexpectedly and terminate all my work. Someone please help me get to the bottom of this!

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September 9, 2010 at 16:09:09
Without getting to into too lengthy an explanation:

- different colored slots means the motherboard supports dual channel mode, provided you use the correct slots.

- the proper RAM for this system is DDR2-800 (aka PC2-6400) regardless of the type HP originally installed. And it MUST be RAM that runs at 1.8v...not 1.9v, 2.0, 2.1v, etc.

- ALL RAM, old or new, should be tested with memtest86 before being put into service. The sticks should be tested individually, then together.

- working RAM generally doesn't "go bad" for no reason. The error message on the blue screen is there to tell you what is wrong so that you can fix it. What message did you get that indicated the RAM was bad?

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September 10, 2010 at 13:35:25
Ok so I just put the new ram I bought into the 1st slot of both channels. So, each channel should have been running a gig. I put on memtest and it failed. It got 98% through Test#6 (Moving inversions) and there were 2 errors and 2 passes. Below it says 'unexpected interupt- halting cpu'. Does anyone know what I can conclude by the failure of this test?

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September 10, 2010 at 13:37:00
I bought the ram from bestbuy. Should I try and return the ram and get some pc2-6400?

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September 10, 2010 at 15:59:55
If you pair up DDR2-800 with any other speed RAM (DDR2-533, DDR2-667), it will be forced to run at the slower speed anyway. If your original RAM is DDR2-533 & that's what you bought to pair it up with, AND it's significantly cheaper than DDR2-800, just stick with it.

The RAM voltage is very important. You MUST run 1.8v RAM, not the so-called "performance" or "gaming" RAM that runs at higher voltages. Also, you need to test the sticks individually, THEN together. I know it's a pain in the @ss & it will take longer, but that's the way it should be done. You're not doing yourself any favors by cutting corners.

I don't know why you would buy RAM from BestBuy anyway...was it on sale? Did you pay more than $40? If you did, you paid too much.

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