Well, first, the AC charger quit working so I paid 90 bucks for a new one, that worked fine for a couple of days, now, I can't boot up, NO VIDEO!! intermittently, it has booted to a blue screen, and mentioned a memory dump? whats going on? is it DEAD???
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This seems like a poor soldering job at the factory which has become loose/disconnected over time, affecting the power port the ac adapter plugs into. Take the laptop to the shop and have your power jack inspected.
it could be a couple things:
Are you using the standard 90 Watt ac adapter, or the Travel auto/Air adapter. The travel adapter is only 65 watts can will charge the battery
If using the standard ac adapter, see if you can try another Dell D series adapter and see if you get the same error.
If same with another adapter, the issue is the charging circuit. If another adapter works, then replace the adapter.
If the charging circuit is bad, it will be the chargerboard or if intergrated, the motherboard
Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board. The
LCD cable transfers data signal from the motherboard & video card
to the LCD screen. It also supplies high voltage DC power to the screen
inverter board. The screen inverter board works as a power supply for
the backlight lamp mounted inside the LCD screen. It converts low
voltage DC power to high voltage AC power needed for the backlight lamp
There are isues with HP external power supplies - if it is a dv7-3xxx series you require AC
Smart adapter (120 watt) - 100-240VAC input, 50-60Hz, 2.5A - 18.5VDC
output, 6.5A, Pt No 463953-001
for earlier models require AC
Smart power adapter (90 watt) - 100-240VAC input, 47-63Hz - 19.0VDC
output, 4.74A, 90 watts, with power factor correction (PFC) 463955-001 If you are within the warranty period utilize that warranty if not contact HP and see what price a replacement external power pack is.
I feel for you. HP makes a crummy product. That is why I never sell them anymore. Plus, as I do some warranty work for them, I get to see the problems up close. Their tech support usually sucks as well.
Go into Control Panel --> System --> Device Manager. Look for a Sound device or unknown multimedia device. Try updating the device to Realtek audio. Vista should have it's own Realtek audio drivers. If you can't find it, go here...