This is still under investigation. The workaround is to raise the brightness to 99 and then lower the contrast to a suitable appearance. If that works for you great. If not, you should get the monitor replaced. If you only have a monitor order number, you should contact Order Support for your country. If your monitor was purchased tied to a Dell PC, contact Technical Support for your country. They will need the following data -
Monitor Order number or attached PC Service Tag number:
Monitor 20 digit PPID number:
Reason: U2312HM Buzzing with Brightness lower than 99
For my notes to engineering, please provide the 25 digit monitor PPID number. It looks like this:
Savvy.Singh UK PPID =
Siddytrousers UK PPID =
Gammawolf UK PPID =
ukhkamran UK PPID =
Leopardi Finland PPID = CN-059DJP-74445-17K-CY6L
kevyin Australia PPID =
The PPID is on a label on the monitor. There might be a plastic thing you slide out to see it. You must get the original Dell order number from the seller.
i brought it back to the retailer, and they said they suspected they would not be able to take it back due to them being over their 21-day deadline with dell (by 2-3 business days). further, they said they could not get me the original order number until monday.
it would be easiest for me if i could just give it back to them. is there someone in support i could contact to resolve this?edit: retailer took it back, so this is resolved. thanks!