Setting pagefile size

In an attempt to increase my virtual memory, through the usual control- panel/system/performance settings, I must have inadvertently entered a value of 10 instead of 100. This has caused the system to be unusable. Is there a way to change this setting in setup or DOS after booting on a floppy.
cacarsonAsked:
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TedSennCommented:
Are you sure you cannot login for long enough to change it back?  I did that once and by being patient was able to rechange the value.
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cacarsonAuthor Commented:
Adjusted points to 100
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Lee W, MVPTechnology and Business Process AdvisorCommented:
I would tend to agree with Ted.  Give it time.  NT needs a pagefile and the minimum size is 2MB.
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bchewCommented:
Have you tried booting to the "Last Known Good" configuration?
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CAFCommented:
why dont you try and chaange the settings from a remote systeeem
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j2Commented:
Even if you set pagefile to 0 the system will be usable. It will fail to launch programs, but the SYSTEM will come up. SOmething else must be wrong.
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taylorgCommented:
What do you mean by unusable? How far does the boot go? Is this on a FAT or NTFS partition?
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cmcgeeCommented:
If you are connected to a network, CAF's suggestion is a good one.

Connect to you machine via regedt32 and go to the HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management key

Modify the pagefile size here.

I have inadvertantly done this myself as well. It was next impossible to change the pagefile after booting and the remote registy access saved my butt.

Good luck,
Craig
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LermitteCommented:
Startup in vgamode this will start you system in minimum use. You must now be able to startup and change the virtual memory... I think that something else is wrong...

And I must agree with bchew have you startup with "last know good" option???

Mario
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CAFCommented:
last known good will not work if he has tried to boot his system more than once since the failure, because the failed settings will now bedcome the last known good.  The easy way to do this is if you had made an erd disk which contains registry sesttings just run a rfepair and repair the registry `
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bchewCommented:
Last Known Good is only updated during a SUCCESSFUL reboot.  If he has never gotten far enough to log on, the LNG should still be useable.
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j2Commented:
CAF: Why do you think it is called  "last KNOWN good"? unless the system actaully "knew" the settings worked?
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cacarsonAuthor Commented:
I solved my problem this morning, on my own, by going into NT setup and even though I didn't have a repair disk, I chose to try to recover the system files. When it asked for my repair disk I exited setup and the system files had been restored. So, even  though I was able to solve the problem myself CAF's answer is closest to the solution.
He was correct in saying that "Last Good Known" wouldn't work. It didn't for the reason he stated.

BTW:
What I was getting when I had the problem was the normal screen for NT, but when I would try get the control panel to initiate it would just
hang up. Also the Programs folder in the Start menu was empty, even though I could see the files when I was in DOS mode.

Thanks everyone,
Craig
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j2Commented:
No, he was wrong in the workings of "last known good".

The problems you describe in your last comment is NOT due to a faulty pagefile, something ELSE muste been wrong also.
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CAFCommented:
no i am not wrong in last known good...last know good only works if you realize an  error was made before you reboot, if you rebboot to corrupt settings they now become the last know good corrupt or not
thanx
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cmcgeeCommented:
j2,

I have had the exact thing happen to me when I set my pagefile down to 2 megs on accident. The start menu was empty and I was unable to get into the control panel. Once I updated my Pagefile via remote registry access it worked for me, so I truly believe that the pagefile size might be at fault considering I have seen it first hand.

Craig
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j2Commented:
last known good requires a clean shutdown / startup / shutdown with the same config to replace the lkg reg.

NT requires about 12Mbyte of RAM to get up and running. There has to be another factor in all this, but i cant say i am THAT eager to find it ;)
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