Is the DELL E151FPb monitor you are having problems with?
From the EDID information:
Code:
# EDID version 1 revision 3
Section "Monitor"
# Block type: 2:0 3:ff
# Block type: 2:0 3:fc
Identifier "DELL E151FPb"
VendorName "DEL"
ModelName "DELL E151FPb"
# Block type: 2:0 3:ff
# Block type: 2:0 3:fc
# Block type: 2:0 3:fd
HorizSync 31-60
VertRefresh 56-76
# Max dot clock (video bandwidth) 80 MHz
# DPMS capabilities: Active off:yes Suspend:yes Standby:yes
Mode "1024x768" # vfreq 60.004Hz, hfreq 48.363kHz
DotClock 65.000000
HTimings 1024 1048 1184 1344
VTimings 768 771 777 806
Flags "-HSync" "-VSync"
EndMode
# Block type: 2:0 3:ff
# Block type: 2:0 3:fc
# Block type: 2:0 3:fd
EndSection
Regards.
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