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Replaced battery no boot device detected Dell 740

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Posted on Jan 02, 2017

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SOURCE: Dell inspiron 6000 error mesage permament battery failure detected. Replaced the battery and still get the message. Computer won't boot up

Tons of people have this problem with dell computers sadly, the motherboard is refusing it's new part. The reason they do this is so you send in the computer to their tech dept so they can make more money pretty much :p Remember, most new tech is meant to break like this, and usually leaves the tech dept in beta.

The only real fix is to replace the motherboard, or buy a new laptop.

Or you're having really bad luck and the second battery you bought is a dud too.

Posted on Feb 24, 2013

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1 Answer

Why doesn't it boot?

You have to go back into the bios and make all the setting correctly match what you have for hardware.

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Here is how the cmos battery looks like(look at video) at 2:15 running time of video shows you the cmos battery that is simular to a big watch battery. here a link for battery

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If the BIOS setting for the Boot up device order does not have the USB as a boot up device then it is not possible to boot up your computer with an USB device.
For a Drive 0 seek problem -
First - re-seat the harddisk and reboot the computer. If the computer does not boot up then reboot andgo into the BIOS configuration to see if the BIOS detects the hard drive. If itdoesn't detect the hard drive then it could be faulty.
Then the hard drive needsto be replaced in the computer/laptop, Windows installed and the computer orlaptop's device drivers plus your programs etc. to get a functioningcomputer/laptop again.

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I have Dell Optiplex 740. When I press the power button the PC goes thru POST OK but, once it looks for the OS the screen goes black and never displays anything. If I power reset again, it does the same...

Boot with your recovery CD and select REPAIR and boot into the recovery console
from the command line type

fixboot c:

If that doesn't fix your problem reboot into the recovery console and at the command line try


Jan 23, 2011 | Dell OptiPlex 740 PC Desktop

1 Answer

I its need to restore my optiplex 740 dell computer to factory settings.

Place your operating system disc in the ROM drive restart computer and restore the windows software it will do the rest for you. If you need drivers go to they have them there one the restore is done.
If the CD will not boot up it is because you will need to change the boot to boot from CD as the first boot. Hit F2 when you restart the computer. This will get you into setup then go to boot sequence choose CD first Hard Drive second boot hit F10 to save. Off you go. John

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No boot device available strike f1 to retry boot in dell optiplex 320 in winxp

Try to replace the CMOS(CR2032) 3v battery, could be the Bios is not function as it should. Set the Bios to settings to default and see whether the HDD is detected in the Bios settings.

If is is no good probably the HDD could be faulty.

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OptiPlex GX110 PC Desktop: Hello.. I'm having Dell Optiplex machine.When I t...

Generally an indication that the Hard Drive isn't detected
Things to check, go to BIOS F2, reset defaults and reboot, see if the HDD is seen. If it is, the battery on the motherboard is likely dead and needs replacement (Watch battery at Walmart, 3 dollars)
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chk for boot sequence in the BIOS and chk the hard disk is detecting in the BIOS

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Normally you boot up the laptop without a memory stick in the USB port.
Check your BIOS settings for the boot up device order.
You should have the hard drive as the first boot device, you can have the CD as the first boot device and the hard drive as the second boot device.
You should not have the USB port as the first boot device.

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