I installed a new 650 watt power supply in my dell gx280 and now when i turn it on it says no boot device available, i also temporarily took out the floppy drive to get at a part in case that's the problem, cause i know that the floppy drive is part of the boot process. but that doesn't make any sense because my computer has booted fine for years with no disk in the floppy drive
You either have the boot priority in the bios off or you have improperly cabled your hard drive . perhaps you set it to boot to cd while installing the operating system and forgot to change the order back.
The floppy drive does not have to be present for the system to boot (if set to "not installed" in bios)
your boot devices are your cd/dvd rom and your harddrive.
Seeing as you've recently replaced the power supply , ime assuming you didnt dismantle the whole computer , just the power leads coming from the power supply, which means you only moved power , not data cables.
This would be the first thing to check -- power to the harddrive and cd rom, the 4 pin connector that sometimes connects to the motherboard and any data cables you might have bumped while changing the power cables. check these things and post here again.
Regards
I'm no expert, but maybe my experience will help someone. I had this same problem- replaced the PSU in my Optiplex GX280 Mini Tower and got the "No boot Device" message. I found that I had to go into set up and check the drive settings- the hard drive and cd rom drive were set to off. I don't know if switching out the PSU caused the change- or maybe because I also changed the battery, but my suggestion is Check your drive settings!
There may not be something wrong with the hard drive!! These computers were like school computers they used to boot off of a network system. You' ll have to go into bios' put your operating system disk in and boot it off of the disk, It's complicated and i know it' blunt but this is what happened to mine. I was pissed I spent 320 bucks on mine a nd thought it was broke. Turns out that's all i needed to do.
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note,i assume that it boots off the hard drive but the hard drive appears as un-identified in the boot sequence so any tips to fix this would be really apreciated
i tried telling the system not to check for floppy drive at start up, this didn't change the message, thats why i think it might be the hard drive, thank you for your help
thank you, i figured out that my hard drive was not plugged in, dumb mistake i know but i've never swapped out the power supply before so i guess it counts as a learning experience
Your computer's hard drive is not being detected. Double-check your connections. You can go into the BIOS and tell it not to check for a floppy at start up, or you can simply plug the floppy back in. It is possible but unlikely the missing floppy is the problem, the computer should search for other boot devices if it does not find one it is expecting.
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