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Windows 7: Changed msconfig setting. Booting win7 now impossible.

27 Feb 2014   #1
FractalFarmer

Windows 7 Ultimate x64
 
 
Changed msconfig setting. Booting win7 now impossible.

Hello there,

I changed the maximum memory in the msconfig boot settings (STUPID STUPID) and now windows won't boot under any mode. Underneath is everything I know about the situation.

Yesterday I noticed that my 8GB RAM wasn't being used fully (only 3,96GB). CCleaner detects 8GB. My BIOS detects 8GB. But my OS said only 3,96 was usable. So I looked up why. I saw a 'solution' somewhere, which said:
- go to msconfig > boot > advanced options.
- check maximum memory
- fill in amount of memory in laptop (8192)
- apply and reboot

The person said this worked for him. For me it did the following. When rebooting I got to Windows Error Recovery, and I haven't been able to boot windows since. Whatever I try, I always get a black screen and then the laptop reboots after 2 seconds. I've tried:
- Starting windows normally. > black screen then reboots
- Launching startup repair, windows loads files (grey process bar) > black screen then reboots

If I go into the F8 advanced boot options menu:
- Safe mode (with or without networking or command prompt) makes it load the windows files from system32, then halfway through the list > black screen then reboots
- Last working configuration doesn't work either. > black screen then reboots

I've tried booting from my USB drive, which functions as a win7 DVD (my CD/DVD drive is broken), with no results. It starts loading files (grey process bar), then as soon as the 'starting windows' GUI appears > black screen and reboot.

The person in this thread below had a similar problem. Although the solution involved booting in safe mode with command prompt. Which is an option that doesn't work for me.
http://www.sevenforums.com/general-d...r-windows.html

Is there any way I can reset my msconfig back to normal without booting windows? Is there any way of getting to a command prompt without safe mode or a boot CD/USB?

Regards,
William


My System SpecsSystem Spec
.

27 Feb 2014   #2
Brink
Microsoft MVP

64-bit Windows 10 Pro
 
 

Hello William, and welcome to Seven Forums.

You might see if you may be able to do a system restore at boot, and use a restore point dated before this happened to undo it.

Hope this helps for now,
Shawn
My System SpecsSystem Spec
28 Feb 2014   #3
FractalFarmer

Windows 7 Ultimate x64
 
 

Hi Shawn, and thanks.

I've tried this option, but it involves booting with a repair/installation disc, or booting in safe mode. Which both don't work.
I just get a black screen and then it reboots.
My System SpecsSystem Spec
.


28 Feb 2014   #4
Sir George

Windows 7 Professional x64
 
 

Quote   Quote: Originally Posted by FractalFarmer View Post
Hello there,

I changed the maximum memory in the msconfig boot settings (STUPID STUPID) and now windows won't boot under any mode. Underneath is everything I know about the situation.

Yesterday I noticed that my 8GB RAM wasn't being used fully (only 3,96GB). CCleaner detects 8GB. My BIOS detects 8GB. But my OS said only 3,96 was usable. So I looked up why. I saw a 'solution' somewhere, which said:
- go to msconfig > boot > advanced options.
- check maximum memory
- fill in amount of memory in laptop (8192)
- apply and reboot

The person said this worked for him. For me it did the following. When rebooting I got to Windows Error Recovery, and I haven't been able to boot windows since. Whatever I try, I always get a black screen and then the laptop reboots after 2 seconds. I've tried:
- Starting windows normally. > black screen then reboots
- Launching startup repair, windows loads files (grey process bar) > black screen then reboots

If I go into the F8 advanced boot options menu:
- Safe mode (with or without networking or command prompt) makes it load the windows files from system32, then halfway through the list > black screen then reboots
- Last working configuration doesn't work either. > black screen then reboots

I've tried booting from my USB drive, which functions as a win7 DVD (my CD/DVD drive is broken), with no results. It starts loading files (grey process bar), then as soon as the 'starting windows' GUI appears > black screen and reboot.

The person in this thread below had a similar problem. Although the solution involved booting in safe mode with command prompt. Which is an option that doesn't work for me.
http://www.sevenforums.com/general-d...r-windows.html

Is there any way I can reset my msconfig back to normal without booting windows? Is there any way of getting to a command prompt without safe mode or a boot CD/USB?

Regards,
William
Check the following thread for some information that may be useful;

Changing msconfig without windows [Solved] - Msconfig - Windows 7

Read down the list of posts until you get to the one from Sam_23 "before I did anything,..."

HTH
My System SpecsSystem Spec
04 Mar 2014   #5
Alpha

Windows 7 64-bit, Ubuntu 13.10 64-bit
 
 

Try booting into the command prompt using a windows disk
My System SpecsSystem Spec
04 Mar 2014   #6
Computer0304

Windows 7 Professional 32-bit/Windows 8 64-bit/Win7 Pro64-bit
 
 

Quote   Quote: Originally Posted by Alpha View Post
Try booting into the command prompt using a windows disk
He can't boot to a disk to.
My System SpecsSystem Spec
04 Mar 2014   #7
Alpha

Windows 7 64-bit, Ubuntu 13.10 64-bit
 
 

Did you try reseating your Ram.
My System SpecsSystem Spec
05 Mar 2014   #8
gregrocker

 

Have you tried accessing System Recovery Options by tapping the F8 key a boot, to run System Restore?

Otherwise you'll need to get the Win7 bootable installation media or System Repair disk to boot. Failure to boot disk is almost always a user failure.

But make sure you have media that is bootable in another PC. If not create new media from Steps 1 and 2 of Clean Reinstall - Factory OEM Windows 7.

Follow these steps:

If disk fails try the flash stick method also provided in tutorial.

If both fail then reset the BIOS to defaults: How To Clear CMOS (Reset BIOS)
My System SpecsSystem Spec
05 Mar 2014   #9
ESARE

Windows 7 Ultimate x64
 
 

remove Mem sticks
boot
shutdown
insert memory sticks
boot
???
My System SpecsSystem Spec
05 Mar 2014   #10
Computer0304

Windows 7 Professional 32-bit/Windows 8 64-bit/Win7 Pro64-bit
 
 

Quote   Quote: Originally Posted by ESARE View Post
remove Mem sticks
boot
shutdown
insert memory sticks
boot
???
Uh, what are you trying to say? If you have a issue, please start another thread.
My System SpecsSystem Spec
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 Changed msconfig setting. Booting win7 now impossible.




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