How to Lighten dark screen
Screen very dark, tried f7 and f8.
Dell Desktop Latitude D620
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Try an external display and see if that shows properly. If it does, you may hae either backlight issues or a bad LCD
crwdns2934271:0crwdnd2934271:0 oldturkey03 crwdne2934271:0
Hope you tried with FN + F7/F8
crwdns2934271:0crwdnd2934271:0 Buddhika Mahesh crwdne2934271:0