écran bleu windows 7

Salut a tous,

Suite a une manipulation pour pouvoir utiliser mes 4 Go de ram, car (3 Go utilisable) j'ai effectuer cette manip: "Demarrer- executer- msconfig- onglet Demarrer- Options avancées- Décochez la case Mémoire maximale- Rebootez" vu sur https://forums.commentcamarche.net/forum/affich-16717722-windows-7-64-bits-4-go-3-go-utilisable

Depuis impossible d'utiliser mon pc, j'alume le pc puis après le " Démarrage de windows..." j'ai un écran bleu avec inscription:

a problem has been detected and windows has been shut down to prevent damage to your computer.

BAD_SYSTEM_CONFIG_INFO

if this is the first time you've seen this stop error screen; restart your computer. if this screen appears again, follow these steps:

check to make sure any new hardware or software is properly installed. if this is a new installation, ask your hardware or software manufacturer for any windows updates you might need.

if problems continue, disable or remove any newly installed hardware or software. disable BIOS memory options such as caching or shadowing.

if you need to use safe mode to remove or disable components , restart your computer, press F8 to select advanced startup options, ans then select safe mode.

tecnical information:

*** STOP: 0X00000074 (0X00000002, 0X8F3B2BA8, 0X00000002, 0XC000009A)


collecting data for crash dump ...
initializing disk for crash dump ...
beginning dump of physical memory.
dumping physical memory to disk: 100
physical memory dump complete.
contact your system admin or technical support group for further assistance.

Si quelqu'un a déjà eu ce problème merci de me venir en aide merci d'avance.