hi, im having a problem with my computer and hoping you can help me. the other day when i went into "my computer" it started not responding so i restarted it but not wen it restarts it has a black screen with the white flashing thing in te top left and takes awhile before it goes to the screen where it askes if u want to start it in safe mode or start it normally. if i start it normally it goes to a black screen and gotta wait like 10 mins for it to start then is really slow for like the 1st 10 mins.. any help please?