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3357
October 24th, 2018 14:00
780 MT, Windows 10 no boot
I have an Optiplex 780 mini tower windows 10 that suddenly wont boot. I let a friend try to fix it & they changed some settings in the Bios & it still won't boot. Is there anyway to get it to boot up in command prompt. I have created a thumb drive with windows 10 & I cant even get it to boot to USB to install. Is there a way to do a clean install if I cant get it to boot. Please help as I have been trying on & off for weeks now to get this issue resolved. Very frustrated. I hope somebody has an answer for me. I am ready to throw this PC out the window as I have run out of motivation & hope to ever get it fixed. It ran just fine before this happened. I don't even know what caused it to happen. Thanks for your time.
Mary G
6 Operator
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20.1K Posts
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October 24th, 2018 16:00
When does the computer quit? Never starting at all--black screen or does it get to Dell logo? Any error message? Did you try tapping F12 immediately when you start up without waiting for any screen to open the boot menu? If you can get to the boot menu, run the diagnostics including the custom hard drive test. If you get any errors, replace the hard drive.
bkm97423
2 Posts
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October 25th, 2018 03:00
Yes F12 works & there is an error code when I test the hard drive: error code 2000-0146 I don't really think there is anything wrong with the hard drive but I will try another one & see if it works. Did you see where I said somebody tried to fix it & messed with the system settings in the bios & I think he changed settings that he shouldn't have messed with. Do you know anyway to start windows 10 in command prompt? Thanks for your advice. Brenda
Philip_Yip
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October 25th, 2018 11:00
Your hard drive has physically failed and needs replaced. Your Windows 10 Bootable USB is likely set up to Boot using the GPT partition scheme which is not supported on the OptiPlex 780 which has a Legacy only BIOS.
speedstep
11 Legend
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47K Posts
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October 25th, 2018 11:00
2000:0146 Long test contains Previous Errors.
There are no soft fixes for Physically Bad Hard Drives.
speedstep
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47K Posts
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October 25th, 2018 15:00
Windows 10 boot works fine on a GX620 all the way thru 780 790 980 990 etc. There are no soft fixes for physically bad hard drives.
I tested both F12 Boot and install scenario and it works fine.
Burned 1803 DVD and RUFUS Created USB installer from the ISO used to burn the DVD.
Both work fine and install windows 10 on GX 360, 380, 620, 745, 755, 760, 780, 790, 960, 980, 990, 3010, 3020, 7010, 7020, 9010, 9020.
The issue is bad drive.