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When my laptop wake from sleep the builtin screen blinks for a sec then the system crashes. if a external display is connected using the HDMI port then the error never occurs even the builtin display works well. I tested my system by downgrading everything also tried other distros but the issue is same. the journalctl shows nothing related to this issue. Recently I cleaned my laptop with glass cleaner and it weted the hdmi port. what should i do?
system: HP ef2126wm
Builtin display conn: eDP
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