A spinning loader over a blank game window or a form field that clears itself is the symptom players report most often, and the usual cause is a browser or network setting on the player’s own device. A deposit, bonus or document that is not showing has a different origin, and each one has its own short set of checks.
Games and pages that will not load on a phone
On a phone, the page may stall on a grey screen, a game may close itself, or the lobby may refuse to move past the logo. In most cases the browser is holding an old copy of the page or blocking part of what the betmgm.com.nl platform needs to run.
- An outdated cached version of the page is being served.
- Mobile data or Wi-Fi drops briefly during the session.
- A browser setting blocks scripts, cookies or pop-ups.
- Too many open tabs or background apps use the available memory.
- An ad blocker or privacy extension interferes with the game window.
- Close every other tab and background app on the phone before you start.
- Reload the page once and watch whether the loader moves.
- Clear the browser cache and cookies for the site, then sign in again.
- Allow cookies and scripts for the site in the browser settings.
- Turn off ad blockers and privacy extensions for the site, then reload.
- Switch between Wi-Fi and mobile data to see which connection holds.
- Move to a spot with a steady signal if the page stalls mid-game.
- Try a different browser on the same phone, such as the one already installed.
- Keep only one game open at a time so memory stays free.
- Update the phone’s operating system and the browser to the current version.
- Disable any battery saver that suspends the browser in the background.
- Open the game from the lobby again rather than from a saved bookmark.
- Restart the phone if the same screen keeps coming back.
- Note the time and the game name if the failure repeats.
Contact support if the same page fails on two different browsers and two connections, or if the failure happens right after a deposit.
A deposit that left the bank but is missing from the balance
The bank shows the payment as sent or pending, but the casino balance stays the same, and the player sits on a deposit screen that never confirms. Funds often move between two systems that update at different moments, so the record exists on one side only for a while.
- The payment is still being cleared by the bank or payment provider.
- The balance page is showing an older version of the account.
- The deposit was sent to account details that do not match.
- The account holds a pending document or bonus step that pauses crediting.
- The payment reference was left blank or typed incorrectly.
- Stay on the deposit confirmation screen until it shows a result.
- Do not send a second deposit while the first is unconfirmed.
- Write down the amount, the time and the reference of the payment.
- Refresh the balance page once, then sign in again to reload the account.
- Open the transaction history and look for the deposit as pending or failed.
- Check the bank statement again to see whether the payment is still pending there.
- Compare the account details you used with the ones shown on the deposit page.
- Complete any open document request on the account before repeating a payment.
- Clear the saved payment details and enter them again if the reference is wrong.
- Keep a screenshot of the bank entry and the casino history side by side.
- Wait for the bank’s own status to settle before taking further action.
- Do not start a chargeback while the payment is still being traced.
- Use the same payment route for the next deposit once this one is settled.
- Send the reference and screenshots to support in one message if the record is still missing.
Contact support once the bank shows the payment as completed but the transaction history still has no record of it.
The welcome bonus or free spins that never arrived
The bonus screen stays empty after registration or a qualifying deposit, or the free spins show as used without any result. The usual reason is that a condition of the offer was not met at the moment the system checked the account.
- The deposit that triggers the offer was made after the offer expired.
- The bonus code was typed with an error or left out of the deposit form.
- A deposit method excluded from the offer was used.
- The account already held a welcome offer under the same details.
- The bonus sits in a separate section that the player has not opened.
- Open the bonus section of the account and look for an active or pending offer.
- Check that the deposit amount matches the minimum the offer requires.
- Confirm the bonus code was entered in the deposit form, not afterwards.
- Look at the transaction history to see whether a bonus was attached to the deposit.
- Read the offer conditions for the deposit methods that count.
- Finish any open profile step that the offer depends on.
- Log out and back in so the account state refreshes.
- Clear the browser cache if the bonus screen still shows nothing.
- Note the name of the offer and the time of the qualifying deposit.
- Take a screenshot of the empty bonus section and of the deposit entry.
- Avoid making a second qualifying deposit until the first one is traced.
- Send one message to support with the offer name and the screenshots.
- Keep the message short and do not send it twice.
Contact support if the qualifying deposit is visible in the history and no bonus appears after a fresh sign-in.
Identity checks stuck or documents turned down
The account asks for identity documents, the upload finishes, and the status stays on pending or returns as rejected without a clear reason. A photograph that is blurry, cropped or past its expiry date is the most common trigger.
- The photo is out of focus, too dark or shows only part of the document.
- The document has expired or the details do not match the account.
- The file is in a format the upload form does not accept.
- The name on the account differs slightly from the document.
- Only one side of a two-sided document was sent.
- Open the document section and read the status message for the exact item that failed.
- Place the document flat on a plain surface in good light before photographing it.
- Capture the whole document, including all four corners and the photo page.
- Send both sides if the document has information on the back.
- Use a current document that has not expired.
- Save the file in a common format the upload form accepts.
- Check that the name and date of birth match the account exactly.
- Upload the corrected file once and wait for the status to change.
- Do not send the same document repeatedly while a review is open.
- Add a second document type if the first one keeps being rejected.
- Keep a copy of everything you send for your own records.
- Complete any remaining profile fields linked to the check.
- Sign in again to reload the status before sending another file.
- Write one message naming the document type and the status you see if nothing changes.
Contact support when a clear, current document has been rejected twice with no explanation shown.
Most of these problems start with an old page, a switched network or a missing step, so clear the browser data and sign in fresh before each deposit, bonus claim or upload. One clean session on a steady connection prevents more trouble than any later fix.