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| dell n5040 (dv15 cp15 uma) black screen https://vlab.su/viewtopic.php?f=41&t=20512 |
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| alifakhrniya [ 07 апр 2014, 10:32 ] | |
| Заголовок сообщения: | dell n5040 (dv15 cp15 uma) black screen |
Hi laptop starts on and and sinks 0.5A current,every voltages are true,bios is ok,i did not find schematic diagram. The LPC bus is inactive,any offer? |
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| alifakhrniya [ 08 апр 2014, 14:56 ] | |
| Заголовок сообщения: | Re: dell n5040 (dv15 cp15 uma) black screen |
Hi changed pch with other reballed one(but not new) solved problem and system boots up well but a little issue: when system is off system turns on but black screen so when cmos cleared system starts well. when cmos back up battery is not on board,problem not appear. pch damaged ? |
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| Partizanen [ 08 апр 2014, 18:59 ] | |
| Заголовок сообщения: | Re: dell n5040 (dv15 cp15 uma) black screen |
new PCH first place, then you can talk about something |
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