Plug in AC Adapter - H4 goes into 'Connect to Computer' mode
When I work off of battery power the H4 works perfectly.
When I have the AC adapter plugged in the H4 menu screen goes directly into the 'Connect to Computer' screen after bootup. This is the only menu screen it will display. I can not get out of this menu screen unless I unplug the AC adapter. Therefore, I can not record or perform other functions with the AC adapter plugged in.
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To charge the battery using your computer:
Connect iPod shuffle to a high-power USB port on your computer using the included
iPod shuffle Dock. The computer must be turned on and not in sleep mode (some
models of Macintosh can charge iPod shuffle while in sleep mode).
When the battery is charging, the status light on iPod shuffle is orange. When the
battery is fully charged, the status light turns green.
If you don't see the status light, iPod shuffle might not be connected to a high-power
USB port. Try another USB port on your computer.
To charge the battery using an iPod USB Power Adapter If you do not have then you have to buy the same from Apple Store)
1 Connect the AC plug adapter to the power adapter (they might already be connected).
2 Plug the USB connector of the iPod shuffle Dock into the power adapter.
3 Plug the power adapter into a working electrical outlet.
4 Put iPod shuffle in the dock.
You can disconnect and use iPod shuffle before it is fully charged.
WHY NOT GET IT FIXED.?
NOT ONCE RUN IT WITH NO BATTERY AT ALL.!!!
FAIL NOW?, BAD POWER PACK IF BIOS IS DEAD
WORKS NOT, BATTERY IS DEAD SHORTED , BAD.
ALSO KNOW SLEEP MODE! facts of life.
Only works if all driver on laptop are correct at hp.com
or it will fail for sleep.
or virus infected.
turn off sleep mode (ac/ and batter) under powers settings CP
work now>? i bet does, (battery out)
new power pack but why do that, take out the battery first
laptops need no battery and with no battery it can run perfect
does it.?????????????????? (ac wall power good sure)
There could e a problem with the battery. A fast check to determine whether you have a problem with the power
adapter, power cord or the laptop's battery is to turn off the laptop,
remove the battery, connect the power adapter, turn on the laptop &
see if it works. If the laptop works directly from the power adapter
with the battery removed, then the power adapter is good. In this case
we can suspect that the battery is defective & needs to be replaced.
Try also to reseat the main components of the notebook: the battery, the AC adapter, the memory modules, & the hard drive. After that try switching it on & see if the problem was fixed.
Probably the connector where you plug the AC adapter into has a switch contact that disconnects the battery when external adapter is used and it has gotten bent so when the adapter is not plugged in, it no longer makes contact to the battery power. This is pretty common for devices that use both battery and adapters.
You either have a faulty ac adapter; a bad power supply in your laptop; a bad battery; or a blown LED indicator light.
1. If the connection is not loose when you plug in your ac adapter try letting the laptop charge for a while. (If you are using the correct ac adapter)
2. Try removing your battery and using the ac adapter. If this works the battery is bad.
3. Try a new ac adapter.
4. Power supply is bad
hi bro what u need to do is ... understand when u plug in the ac adapter the light on the ac adapter goes off and whne u unhoook it it comes on .. right there is a possible static charge in the mobo bcoz of which the ac current is nt able to flo on thru the wires to the motherboard .. what u can do is turn ur laptop off completely unhook the ac adpter and take off the battery as well press the power button for 15 sec press and hold it do this xcersice .. hook every thing up and try to charge the battery again it should work .....second possible thing can be may be the connectors on the mobo can be bad on the pin in the prong on the ac adpter must be twisted ,,, so check for that as well ...if still no go then either problem with the onboard power connector on mother board or the whole mother board power aseembly IE replace the mobo ....
Probably a power issue. Your new computer has less extra power capacity and the external drive is pulling from the USB port power.
What you need is a USB hub with an AC adapter that powers the hub and any devices that are connected to it from the external AC power adapter and NOT from the USB bus. In other words look for an external power adapter that plugs into the wall as well as into the USB port. Don't get a recharger for an iPOD as that will not do you any good. And don't get a hub that says "powered" or "external power" that does not have an AC power adapter because it is still sucking power off of the USB port.
Try shopping for a D-Link DUB-H4 High Speed USB 2.0 4-Port Hub. It is a good choice if you are not going to plug any USB 1.1 devices into it. Read the reviews for any device you choose.
If the ac adapter was plugged into the laptop at the time may be bad news. Unplug AC adapter, take out the battery and hold power button for 10 seconds. Then connect AC adapter and hit power. If that doesn't work put battery back in without ac adapter and hit power button.
If neither test works bring to repair center for diagnosis. Best case AC adapter would need replacing. Worst case Motherboard fried.