Firewall logged on shows blank screen, why?

This is using the Fortinet fortigate 110 firewall. My co-worker told me that after logged on via the web console, what he saw is the blank screen. What went wrong and how to solve it?

thanks in advance.
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MichaelBalackAsked:
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MichaelBalackAuthor Commented:
Hi all,

At the end, i decided to format the firewall and then upgrade with a much higher version of firmware. All these done in command, ans now is working fine.
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dpk_walCommented:
Please ensure that cable is correct and you are using the correct COM port in the terminal emulation program [eg, hyperterminal or putty]

Follow steps below:

1. Connect the serial cable to the COM port of your computer and to the 110 console port.
2. Start terminal emulation program.
3. Select following port settings:
     Bits per second 9600 [or 9600 baud]
     Data bits 8
     Parity None
     Stop bits 1
     Flow control None

Now if the cable is working; COM port is also working properly then you would get prompted for username after hitting ENTER key once or twice.

If cable and COM are working [may be connected to another device and shows output] then it could be a faulty console port on the device.

Please check and update.

Thank you.
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MichaelBalackAuthor Commented:
Hi dpk_wal,

Sorry is not blank screen, but the whole web menu looks hung.
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dpk_walCommented:
Try using a different cable and different COM port; other than that the CLI access should work.

Please check and update.
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myramuCommented:
Hello MichaelBalack,

If you are able to access the device using SSH, clear the browser cache and cookies. I would recommend to use Mozilla browser.

If you still have the same issue check "httpsd" demon is running using the command " diag sys top".

If "httpsd" demon is not running, looks like web demon is crashed and try by rebooting the device.

Good Luck!
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dpk_walCommented:
Are you using web browser or using console port on the device; more details would certainly help.
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dpk_walCommented:
Good to know that the problem is resolved.
Happy New Year 2014.
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MichaelBalackAuthor Commented:
It works
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