5 Navigeren op het scherm.....................................................................................................................................................23
Actietoetsen.....................................................................................................................................................23
6 De computer onderhouden..................................................................................................................................................26
De prestaties verbeteren .................................................................................................................................................26
Schijfdefragmentatie gebruiken..............................................................................................................................26
Schijfopruiming gebruiken.......................................................................................................................................26
De computer reinigen ......................................................................................................................................................28
7 Computer en gegevens beveiligen ......................................................................................................................................32
8 Problemen oplossen ............................................................................................................................................................34
Computer start niet .........................................................................................................................................................34
Voeding ............................................................................................................................................................................35
Toetsenbord en muis (met kabel) ...................................................................................................................................36
Toetsenbord en muis (draadloos)....................................................................................................................................36
Luidsprekers en geluid.....................................................................................................................................................37
Internettoegang...............................................................................................................................................................37
Softwareproblemen oplossen .........................................................................................................................................38
producten)........................................................................................................................................................40
producten)........................................................................................................................................................42
producten)........................................................................................................................................................44
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