How do I now sign in to my other gmail accounts from the main account page

Sign in. Enter your Google Account email or phone number and password. If information is already filled in and you need to sign in to a different account, click Use another account. If you see a page describing Gmail instead of the sign-in page, click Sign in in the top right corner of the page.

Sign in to Gmail - Computer - Gmail Help - Google Support..

or go to this link might help you..
how do login into my google account Google Search

Hi. Are you using a computer, or some other mobile device? It wont affect your account. It may however,affect the login process youre used to.

If using Gmail on a computer

1. Go to gmail.com.
2. Enter your Google Account username and password.
   • If a username is already filled in and you need to sign in to a different account, click Sign in with a different account.
   • If you see a page describing Gmail instead of the sign-in page, click Sign in in the top-right corner of the page.

SIGN IN TO GMAIL

Public or shared computers

If you're using a public or shared computer, be sure to sign out of your Google Account before leaving the computer. Learn more about signing in securely to Google.

If you've registered for a Gmail account :
To sign in to Gmail on a computer, go to gmail.com.

• If you're taken directly to the sign-in page, enter your username if it's not filled in already and enter your password. If you need to sign in to a different account than the one shown, click Manage accounts on this device.
• If you see a page describing Gmail instead of the sign-in page, click the Sign in link in the top right corner of the page.

Hi Richard
following is a cut & past information from Google and I hope it helps in your quest.

Adding Gmail
If you add Gmail to your Google Account, your account's primary username will permanently change to yourusername@gmail.com.
After you add Gmail, the original email address associated with your account will become your alternate email address. If you have verified your original email address before adding Gmail, you will be able to sign in using this email address.

Adding Gmail to an existing Google Account

1. Go to mail.google.com.
2. Click Sign up for Gmail.
3. At the top of the page, click If you already have a Google Account, you can sign in here. You'll be redirected to a sign-in page.
4. Use your existing Google Account username and password to sign in. On the next page, you'll see a shortened Gmail sign-up form where you can choose your Gmail username

I hope this helps.

Are you sure that your old one isn't still there? Are you just talking about the cookie that makes a username appear on the gmail main page? If that confuses you you can clear cookies before going to that page....

After creating your account just visit http://gmail.com

• If you're taken directly to the sign-in page, enter your username if it's not filled in already and enter your password. If you need to sign in to a different account than the one shown, click Manage accounts on this device.
• If you see a page describing Gmail instead of the sign-in page, click the Sign in link in the top right corner of the page.

All the information you need can be found on the Gmail help website: https://support.google.com/mail/answer/8494?hl=en

Hope that helps!

Oopen up the Gmail app. . If you are not already signed in, you will get the Google sign-in page. Enter your Email address and your Password. You can aslo get help is you forgot your password. After you sign-in, on the screen that comes up, there is on the top left of the screen a square of three lines . Tap this. Next tap the downward arrow on the dark gray screen that comes up. On this page is listed the Gmal accounts that currently able to be used. Tap the account that you want. If for some reason you cannot see your account, just go to the the "mangage accounts" screen at the bottom of the screen. (You might have to scroll to get to it.) When the "Accounts" screen where you can select the account that you want appears, select "Add another account". Now a "Sign in" page shows up. Enter your e-mail address and your password. This should get you signed in.
If you want to add another account, tap "Add another account". Now you will go to the "Sign in with you Google account" page that has at the bottom "Create an account" Tap this. Then follow the instructions on the "Create your Google Account" page. Now just enter the account information that you want to use.
Alternatively, to sign-in into a Gmail account without going through the Gmail app,, go to http://www.google.com/accounts . There you will get the sign-in page for Gmail. Enter your Email address and your Password. You can aslo get help if you forgot your password. Additionally, you can create a now account by tapping "Create an account" at the bottom of the page. Then follow the "Create your account" page's instructions

Point your web browser at http://www.gmail.com

If another account comes up, sign out of it by clicking the avatar in the upper-right then clicking "Sign out."

If you then still can't sign in to your account, click the "Can't access your account?" link on the sign-in page.

Point your web browser at http://www.gmail.com

If another account comes up, sign out of it by clicking the avatar in the upper-right then clicking "Sign out."

If you then still can't sign in to your account, click the "Need help?" link on the sign-in page.

If you're getting an error message, what does it say?