I shut down properly, and later when I went to start it back up, the power button seemed to not work. I removed keyboard tray, cleaned and inspected and replaced. Once with battery only, it seemed to get power but not thru to boot cycle it would go over to the circled z light only (hibernate?) and with or without ac power, it seems not to get power? Green battery light when plugged in battery should still be good, I get 2 + hrs usually - I bought a second hand docking station (for the power button) and hoped it would re-route the power instead of through keyboard control - no love any suggestions out there?
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Attaching an external keyboard does not help because the keyboard controller is damaged. I recommend you put your money towards a new laptop as the cost of repair maybe too expensive or beyond repair. Most computer repair shop charge for a quote and may drop this charge if you go ahead with the repair. If the hard disk is OK then I suggest you remove it from the laptop and insert it into an USB hard drive adapter case and use it as an external USB hard drive for backups and data transfer etc.
try taking out all peripherals like mouse printer keyboard leave screen pluggged n then press and hold the power button for 2 minutes then plug in your mouse and keyboard and see if it boots hope this helps
Holding down the power button as you did, is only helpful in clearing CMOS. This does not seem to be your issue. The battery itself is the most likely culprit, power cord or not- it will not work without a good battery. Start with that as your troubleshooting procedure.
okay close laptop remove battery, open ram / memory compartment, remove memory. try holding down power button for 3 minutes. THEN INSTALL BATTERY , NOT RAM/ MEMORY AND PRESS POWER BUTTON AND IF YOU HEAR A SOUND THAT GOOD NEWS THE SCREEN MIGHT COME ON, OR IT MAY NOT, BUT YOU SHOULD HEAR A BEEP, IF POWER BUTTON REMAINS LIT HOLD DOWN TILL COMPUTER TURNS OFF, THEN INSERT MEMORY/ RAM AND FIRE IT UP. WORK THESE STEPS
Hi There, I've got the same problems with my DV 285. My power started going off approximately 5 to 10 minutes into the DVD. The only button that seems to work is the OPEN/CLOSE button. Once the tray closes, the unit shuts off. I can't even use the on/standby button to turn it on.