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  comp freezes and restarts after adding 1 gig of ram 
 
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jeremy till Jan 25, 2011, 04:05pm EST Reply - Quote - Report Abuse
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motherboard abit nf7-s
ram 2 1 gig sticks pc 27000
gforce 6200 512 vid card
500 watt psu
160 gig WD 7200 rpm
amd athlon xp 2600 1.9

So i added new ram pc 2700 1 gig ram 2 sticks and my computer locks up and restarts randomly and will sometimes loop when starting up, it doesn't matter what im doing it will do all of these!!

When i put back in my old ram 256 and 512 my computer goes back to being stable!! So to me once i hit 1 gig of memory the computer locks up or restarts whenever it wants to!!

All my motherboard drivers are old and same with bios, So basically to sum it up i use whatever drivers that come with the motherboard cd!! I don't know how to upgrade these im kinda of a noob lol.


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kOrny Jan 25, 2011, 05:25pm EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram
I would check the manual (if you don't have it then it may be on the manufacturer's website) and make sure the RAM is compatible and that you can in fact have up to 2GB of RAM installed (motherboards do have a limit).

Reason   Jan 25, 2011, 05:46pm EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram
Korny's got good advice.

If your mobo does support that RAM and that much RAM, get memtest86. You'll need to burn it to disk and boot the PC with it, and let it run at a bare minimum for 12 hours, i usually go for 24 hours. That means you won't be able to do anything else with the PC for that time.

I'd run just the new ram, one stick at a time, then both, then together with your existing ram, to see if you can get it to work. Any errors are bad; if it happens on the new RAM, return it.

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john albrich Jan 25, 2011, 07:23pm EST Reply - Quote - Report Abuse
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Edited: Jan 25, 2011, 07:51pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
jeremy till said:
...So i added new ram pc 2700 1 gig ram 2 sticks and my computer locks up and restarts randomly and will sometimes loop when starting up, it doesn't matter what im doing it will do all of these!! ...


I'm reading a bit between the lines here, so this may not apply. If it does apply, then this is the fastest and easiest way to debug a possible memory problem in this situation..

But...it SEEMS like you're saying that at least sometimes the computer does boot up into Windows and runs for some short period of time, before the failures start to occur. If that's not what you meant, if in fact the computer never passes Power On Self Test (POST) then the following does NOT apply.

IF that is the case, then we know your system can use the RAM. They may not be blessed by the motherboard manufacturer, but at least they are electrically compatible.

IF that is the case, then remove all RAM except 1 of the new sticks.
Make sure it is installed in the correct slot. Then reboot and try to run Windows again.

If it's stable, then that stick is probably ok.

REMOVE power again. Replace that 1 stick with the other new stick of RAM. Then restore power, reboot, and try to run Windows again.

If it's stable, then that stick is probably ok.

If either or both sticks failed, then it/they are bad or have a subtle compatibility problem with the motherboard, or your motherboard can't handle two sticks of RAM. If you never ran 2 sticks of RAM before, this is possibly a motherboard issue.

Replace the failed stick(s) if any. As kOrny indicated be sure to verify the memory you purchase is compatible in timings AND in voltage. For example, there are some memory sticks that take 1.65V, and your motherboard may be able only to supply 1.5V...which could lead to unstable memory...although I think given the memory type your motherboard uses you won't run into memory like that, that even physically fits in your memory slots. Not absolutely positive, just covering the possibility. I think all DDR"type1" RAM is 2.5-ish volts.



Remember to ENTIRELY remove power from the PC, then waiting for at least 30 seconds before changing parts. This means either using the PSU's back switch or removing the AC plug. Simply using the front PC button does NOT remove all power and you will likely damage parts by doing so. In fact, if you didn't remove power ENTIRELY when you first installed the RAM, it's possible you were the one that may have damaged the RAM.

Similarly, use good ESD practice when handling computer parts. While it may not cause any immediately observable problem, ESD can cause future part failures.


edit: sorry about the multiple edits. Today's another very bad pain meds day.
added sentence "Make sure it is installed in the correct slot."
added ref to kOrny's post and mentioned 1.65V vs. 1.5V memory as an EXAMPLE
Like I said, DDR memory sticks I think shouldn't encounter that problem. But I'm going from old memories there.

jeremy till Jan 26, 2011, 12:20pm EST Reply - Quote - Report Abuse
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Edited: Jan 26, 2011, 12:33pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
The memory is good ive tested on my dad's comp and he had no problems with em! I ran memtest 86 on em and no errors returned!! Ive tried one at a time and it still locks up randomly or restarts. Ive tried my dads memory pc 3200 ddr 400. and in my manual it says i can have up to 2 gigs of this type of memory pc 3200 ddr 400. But pc 3200 even locks up my comp and restarts randomly and im just using one stick.

My mother board can handle up to 3 gigs of pc 2700 that is what it says in the manual! everything you have listed i have tried and it still locks up and randomly restarts!! Ive tried both sticks at once one at a time swapped in new and old at the same time still locks and restarts. locks up when i have just one pc 2700 in!! Ive tried alot except for upgrading the Bio's in witch i do not know how to do, ive heard its a risky operation if you do not know what your doing!!

My Nforce chips are up to date just got all the other drivers yesterday motherboard etc!! The only one i don't have is the new bios update!

I just don't understand how the two sticks i have that make 768 megs don't even lock up! I have ran the computer for days and never had problem until i recently went over 1 gig or got to 1 gig!

When i say it loops when it starts up, I mean that ive watched it boot up like it should then when it hits windows xp loading screen it will restart again but doesn't happen all the time!!

These are one of the scenarios ive had when dealing with the locking up or restarting! Ill get done playing wow or cs and when im trying to exit the game it locks up or during the game doesn't matter!! I have opened my computer double clicked on my C drive and had it restart, once it reload i did the samething like i just said and it restarted same place and everything. So i tried the samething the 3rd time and it didn't lock up or restart. The restarts can occur at anytime, doesn't matter what your doing it will lock up or restart!!


john albrich Jan 27, 2011, 03:37pm EST Reply - Quote - Report Abuse
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Edited: Jan 27, 2011, 06:01pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
Jeremy Till said:
When i say it loops when it starts up, I mean that ive watched it boot up like it should then when it hits windows xp loading screen it will restart again but doesn't happen all the time!!

Jeremy,

Try using self-booting diagnostic disc UBCD tests to test your CPU and memory. This will take Windows out of the equation.

See my post here for more info on UBCD. The version info I mention is outdated but you can get the new version.
http://www.hardwareanalysis.com/content/topic/71598/#536892


edit:
clarify that this is just to point to where to get UBCD.

edit to add:
Make sure the POST tests are as thorough as possible. This will make it more likely that hardware problems will be detected before Windows tries to load.
Until the problem is resolved, change the type of memory testing POST performs. This will make sure the memory is MUCH more completely tested during POST. Otherwise, POST tests only a fraction of the memory and uses only very simple tests. This is a BIOS Settings option. You change from a parameter that might be called something LIKE
"Memory Test: [Long] (or [Extended] or similar). The opposite choice might be something like [Short] or [Quick].
Or, the parameter might be identified LIKE
"Quick Power-On Self Test" [Enabled] or [Disabled] (you want to set it to whichever option makes it conduct the most thorough RAM test during POST. In this case, it would would be set to [Disabled], to "disable" the "Quick" test and run the longer and more thorough POST routines.) If I didn't explain that very well, please let me know.

Suspended User Jan 27, 2011, 05:14pm EST Reply - Quote - Report Abuse
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Edited: Jan 27, 2011, 05:17pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
http://www.abit.com.tw/page/au/download/download_bios_detail.p...Socket%20A

Many BIOS updates, a lot of them to do with memory issues.

Adds auto-detect function of "Dual Channel DDR". The DDR modules should be installed in DIMM-3 and DIMM-2.

The default value on DRAM Ration changes to"Auto".

Revises the DDR frequency reading during POST.


jeremy till Jan 27, 2011, 06:59pm EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram
Nice thank you for the bio updates when i get home ill check em out! I can't do it on the work comp but thank you and ill give em try!!

john albrich Jan 28, 2011, 07:26am EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram

Jeremy,

Since you have confirmed the problem occurs ONLY when they system tries to boot up or is actually running in Windows, I really encourage you to try the UBCD diagnostics before you start updating BIOS.

BIOS updates and the software used to perform them on older motherboards are historically more risky than on current motherboards, and they should be considered a "last ditch" solution.

IF the UBCD tests show no problems, then it's unlikely the problem is associated with the BIOS level and updating BIOS is a significant risk for little probable gain in such a case. From a "What's most likely?" standpoint, it's much more likely a case of a corrupted OS or filesystem, or a driver issue.

Could it still be an obscure hardware problem (like the harddrive or something in the disk interface subsystem that caused or causes data integrity problems)? Yes, but again probably not BIOS-level related. Data corruption from ANY source can cause the problem you've described...and that can be hardware, firmware, or software.

jeremy till Jan 28, 2011, 01:43pm EST Reply - Quote - Report Abuse
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Edited: Jan 28, 2011, 01:43pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
I get what your saying but what gets me is that 768 megs works perfectly no lock ups and you can push the computer to its limits by having more than one process open!! When i upgrade to 1 gig it locks up and restarts randomly and having multiple process will make what i just said occur to!!

Im try that program when i get home to test my computer and ill get back on this matter!! I have not yet updated my bios so im take your advice and wait see what happens.

Suspended User Jan 28, 2011, 01:49pm EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram
Does it only crash in windows...ie. has it crashed while booting up?

Try boot to safe mode by pressing F8 while the computer is booting, a menu will appear, just choose safe mode and see if your PC runs stable with that.

Have you set the pagefile yourself? or is it system managed?

jeremy till Jan 28, 2011, 01:55pm EST Reply - Quote - Report Abuse
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Edited: Jan 28, 2011, 01:56pm EST

 
>> Re: comp freezes and restarts after adding 1 gig of ram
It will crash in windows and it will re-loop when trying to load windows not all the time but sometimes!! Re-looping usually happens when the windows xp loading screen usually comes on!!

Ive tried booting in safe mode and it still locks up, this happend when i was trying to install Windows SP3!!


What do you mean set page file? that is new to me!

Suspended User Jan 28, 2011, 01:58pm EST Reply - Quote - Report Abuse
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>> Re: comp freezes and restarts after adding 1 gig of ram
john albrich said:

Jeremy,

Since you have confirmed the problem occurs ONLY when they system tries to boot up or is actually running in Windows, I really encourage you to try the UBCD diagnostics before you start updating BIOS.

BIOS updates and the software used to perform them on older motherboards are historically more risky than on current motherboards, and they should be considered a "last ditch" solution.

IF the UBCD tests show no problems, then it's unlikely the problem is associated with the BIOS level and updating BIOS is a significant risk for little probable gain in such a case. From a "What's most likely?" standpoint, it's much more likely a case of a corrupted OS or filesystem, or a driver issue.

Could it still be an obscure hardware problem (like the harddrive or something in the disk interface subsystem that caused or causes data integrity problems)? Yes, but again probably not BIOS-level related. Data corruption from ANY source can cause the problem you've described...and that can be hardware, firmware, or software.


This is all true, but the computer runs absolutely fine with his old memory...it is the new memory that is causing the issue. The memory passes diagnostics, meaking the most likely culprit, the BIOS.

Running UBCD would be a good idea if his memory had not already passes diagnostics. Sure he can test his HDD and filesystem, but this is MOST LIKELY not causing this issue.....( if it is, is is probably pagefile related )

I truly believe it is a timing/speed/quantity issue. The BIOS is probably initial release, and many revisions have been released since then to fix a number of issues ( related to memory or not ) and should be updated....in fact, 13 BIOS updates have been released since the initial.

If you are not comfortable updating yourself, maybe ask a friend to do it, or someone you know with experience.



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