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Old 05-20-2022, 12:22 PM   #1
TomH
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Default Dock Corrupting EDID

Hi,

The organisation I work for has recently started having a large number of incidents with our dl-6950 powered docks. Our Dell monitors keep having their stored EDID data corrupted on the docks local memory. This is causing them to run at 600x400 resolution and the issue can only be fixed when the display port cables are unplugged and re-plugged in again causing the EDID data refresh due to the reoccurrence of a new handshake. Is their a way we can stop this occurring as it has effected hundreds of our monitors over the last few weeks.

Any response would be greatly appreciated.

Thank you Tom

(Bellow is an example of some corrupted EDID data )

0x00 0xFF 0xFF 0xFF 0xFF 0xFF 0xFF 0x00 0x11 0x8D 0x00 0x00 0x8D 0xFF 0xC3 0x99 0x2A 0x09 0x01 0x04 0x00 0x00 0x\ 0x00 0xFF 0x02 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x20 0x00 0x00 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0x\ 0x01 0x01 0x01 0x01 0x01 0x01 0x01 0xD5 0x09 0x80 0xA0 0x20 0xE0 0x2D 0x10 0x08 0x60 0x22 0x00 0x00 0x00 0x00 0x08 0x08 0x18 0x\ 0x00 0x00 0x00 0xFC 0x00 0x4E 0x6F 0x20 0x4D 0x6F 0x6E 0x69 0x74 0x6F 0x72 0x0A 0x20 0x20 0x00 0x00 0x00 0xFF 0x00 0x55 0x53 0x\ 0x42 0x5F 0x36 0x30 0x30 0x61 0x2D 0x31 0x38 0x31 0x31 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x\ 0x00 0x00 0x00 0x00 0x00 0xE8

Last edited by TomH; 05-20-2022 at 02:44 PM.
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Old 05-31-2022, 11:44 AM   #2
KatarzynaCzaja
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Join Date: Apr 2020
Posts: 461
Default

Hello,

Thank you for for reporting the issues.

We will have to investigate this case individually as you mentioned the large number of affected devices. Can you please contact us directly by sending an email to technical-enquiries@synaptics.com and also providing more details on what the docking stations are in use and monitors?
Also we will need logfiles gathered from some computers that experience these problems. Please follow the article How can I report Windows issues to DisplayLink?

Thank you,
Katarzyna
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