What version of Chrome is it? Check to see if there's any updates for it. It's loading fine on Chrome for me.
When you use the same computer, are you using the same sign in/profile for it. Like, do you have multiple accounts/users on the computer itself?
So if you're using different browsers, it's likely the the browser that isn't working properly.
Are you able to use the same browser as her and get onto your account?
Ok, so it's the browser. Which one did you try to use but didn't work?