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09-18-2011, 09:46 AM
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#1 |
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Member (9 bit)
Join Date: Feb 2007
Location: England Coventry
Posts: 339
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Power Question ?
Hello Guys,
I have a HP Pavilion zd8000 which will not turn on. Before I can delve into troubleshooting, I have measured the charger(AC Adapter) output voltage, instead of 19V as specified, the voltmeter shows 16V only. Do the 3V make any difference to power up the all laptop or not. The battery is not charging neither. Thanks a lot. Thierry
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GIGABYTE X48-DQ6/E8400 @ 4.50GHz STABLE/OCZ REAPER HPC 4GB PC2-8500 DUAL KIT(5-5-5-15) /SAPPHIRE RADEON TOXIC 1GB HD4870 OVERCLOCKED(835MHZ/1020MHZ)/SAMSUNG T260 TFT/COOLERMASTER REAL POWER 850 WATTS/ARTIC FREEZER 7 PRO/12CM THERMALTAKE FRONT-INTAKE & REAR-EXHAUST FANS/SEAGATE BARRACUDA 500GB SATAII/DUAL BOOT VISTA ULTIMATE SP1& XP SP3. Last edited by THIERRY; 09-18-2011 at 09:51 AM. |
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09-18-2011, 10:03 AM
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#2 |
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Techphile.
Join Date: Nov 2003
Location: San Francisco Bay
Posts: 5,962
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It depends.
If the batteries need 19 volts to charge and they are only receiving 16 volts then it is not going to happen. If the charger steps up the voltage from 16 volts when there is no current flow to 19 volts when there is current flow then the charger may or may not be the cause. Another possibility is that the battery regulator has gone bad inside the laptop. One more possibility is that the battery may be getting the correct charge voltage but no longer holds a charge. I would first try the least expensive potential solution by purchasing a replacement charger. If that does not work then try replacing the battery.
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Asus P8P67 WS Revolution | Intel 2600K @ 4.7 GHz | Win 7 Pro 64 |8 gigs Corsair 1600 | Two Diamond 6990's in Crossfire| Corsair AX1200 | Thermalright Silver Arrow | Western Digital Black 2TB 64 meg cache | Lian-Li PC-A71B | Logitec Z-5500 | Three Asus 26" VW266H monitors running under Eyefinity | Last edited by David M; 09-18-2011 at 02:51 PM. |
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