startup error messages

[Guest]

when i start my computer it says,"system memory has changed,press f1 to continje" when i press it the damn thing either reboots and runs or the screen turns blue with the following message,"stop c0000221 unknown hard error \systemroot\system32\ntdll.dll please help

 

[Will]

-----Original Message-----
when i start my computer it says,"system memory has

changed,press f1 to continje" when i press it the damn
thing either reboots and runs or the screen turns blue
with the following message,"stop c0000221 unknown hard
error \systemroot\system32\ntdll.dll please help

.

offhand, I'd say you have a bum memory chip somewhere.