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11

You have a mostly-dead battery. Not running without the battery is an unfortunate but common design choice that shackles you to spending money on a battery that may cost a significant portion of the current value of the computer when the battery becomes fully dead. For now, the 30 seconds of life it has is evidently enough to get started, so be happy about ...


2

You typically don't need to change the boot order to boot from optical media. You just need to invoke the boot menu options when booting. Try pressing ESC, F9, F10, F11 or F12 (one at a time) when booting until you see the boot menu. Then select the optical drive.


1

The BIOS is locked - it would require a password to allow you to edit these settings. Since you don't have this password, many motherboards have a jumper on the board itself that you remove or install to clear the BIOS password. Alternately, sometimes pulling the CMOS battery for several minutes (I am not referring to the main battery, but you should ...


1

I suppose you're one of those people who threw out all documentation that came with it? Usually you get an invoice, manual, etc from which you can get the exact specifications, albeit by googling some of the information found in those documents... serial numbers, part numbers etc printed on the computer will all help. From the HDD, you can probably detect ...


1

Maybe looking at HP 8540w would help. If you need to replace the motherboard, you need to get the exact model for this, as others may look similar but not fit the casing openings for connectors, etc. I would recommend buying a new one and selling all good parts as spares, you might be surprised you can get good money out of them.


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HP 8540W Disassembly video instruction (5 minutes) Also screen replacement another video instruction


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You can try a hard reset to see if it clears the issue. If not, it is likely a connection issue inside the laptop which sends power to the battery. Remove the battery Unplug the power and any USB devices Hold the power button down for 45 seconds Plug the unit back in but not the battery Start it If it still won't start without the battery, It might be a ...


1

It sounds like there might be a fault with the onboard electronics or power adapter and the battery is not charging. In the case of the adapter it might not be providing enough power to charge the battery. An inexpensive multimeter from your local electronics store would be able to verify the output of the charger. Laptop adapters are pricey so it is ...


1

Remove your battery. Otherwise the power will still be applied.


1

sometimes it happens because some static charge will left in the key board. do the following steps. 1.Remove you'r laptop battery. 2.Do not plug it after removing battery press and hold power button for few seconds. 3.Plug it now and start you'r laptop and see the keys are working are not.


1

Remove the little cover on the back of the laptop, there's a connector and a square black button. push the button with a pen for at least 1 full second. boot the computer while connected to the power supply. it should work. Note that its normal for the battery to stop charging at 99% for a while then charge again. it never reaches 100%. thats the battery ...


1

You have 2 different issues. The DRIVER_POWER_STATE_FAILURE bugcheck seams to be caused by the nVIDIA driver nvlddmkm.sys !DevObj !DrvObj !DevExt ObjectName ffffe001b2bdf040 Unable to load image \SystemRoot\system32\DRIVERS\nvlddmkm.sys, Win32 error 0n2 *** WARNING: Unable to verify timestamp for nvlddmkm.sys *** ERROR: ...



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