1 files changed, 8 insertions, 1 deletions
diff --git a/monitor-parse-edid b/monitor-parse-edid
index 5a6f4f0..389658a 100755
--- a/monitor-parse-edid
+++ b/monitor-parse-edid
@@ -588,7 +588,14 @@ sub ratio_name {
 sub to_MonitorsDB {
     my ($edid) = @_;
 
-    $edid->{monitor_range} && $edid->{EISA_ID} or return;
+    if (!$edid->{monitor_range}) {
+	print STDERR "No monitor range data in EDID.\n";
+	return;
+    }
+    if (!$edid->{EISA_ID}) {
+	print STDERR "No monitor EISA_ID in EDID.\n";
+	return;
+    }
 
     my $detailed_timings = $edid->{detailed_timings} || [];
     my @preferred_resolutions = map {