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| dell (La-8241p) trun off after 2 second https://vlab.su/viewtopic.php?f=41&t=35570 |
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| nasser_pczone [ 25 авг 2015, 12:51 ] | |
| Заголовок сообщения: | dell (La-8241p) trun off after 2 second |
hi my la-8241p dell 5520 would not power when i check the schematic i found the PQ101 not crossing power (look pic) i jumper pin 5 with VIN 19 dc and laptop turn on and boot fine BUT.... when i plunged the battery boot fine but if i connect the ac adepter only laptop turn on and then turn off after 2 second and not boot ... this this my problem please help me i flashed bios and ec with working one |
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| and555 [ 10 сен 2015, 14:54 ] | |
| Заголовок сообщения: | Re: dell (La-8241p) trun off after 2 second |
first, make sure PQ100/PQ101/PQ102/PQ108/PQ110 are ok, then please measure on PQ101 pin 4, normally the voltage is about half of 19v, if not .... check ACIN(normally about 3.3v), if not .... check PR109 and DCIN(PU100 pin 22). |
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| maytinhht.vn [ 19 сен 2015, 09:56 ] | |
| Заголовок сообщения: | Re: dell (La-8241p) trun off after 2 second |
nasser_pczone писал(а): hi my la-8241p dell 5520 would not power when i check the schematic i found the PQ101 not crossing power (look pic) i jumper pin 5 with VIN 19 dc and laptop turn on and boot fine BUT.... when i plunged the battery boot fine but if i connect the ac adepter only laptop turn on and then turn off after 2 second and not boot ... this this my problem please help me i flashed bios and ec with working one you try EC an bios |
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| nasser_pczone [ 20 сен 2015, 23:43 ] | |
| Заголовок сообщения: | Re: dell (La-8241p) trun off after 2 second [РЕШЕНО] |
hi thanks problem solved with first post... thanks my friend |
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