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June 19th, 2022 05:00
GX620 won't boot
When I turn on pc, all I get is the flashing "_" in the upper left corner. I don't get the dell screen or anything. I'm assuming some hardware has failed. Is there any way to determine what hardware component has failed? Thank you.
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redxps630
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June 19th, 2022 06:00
I got this flashing "_" in the upper left corner sometimes.
try clear cmos settings by reset cmos jumper on motherboard.
if no change, remove all memory sticks and reinstall only one stick in dimm1.
speedstep
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June 19th, 2022 05:00
@Capnp72
Drive failed. Crashing to black screen of death. Disconnect hard drive and it will post with error.
Capnp72
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June 19th, 2022 06:00
I disconnected the hard drive and still get the same thing. I also replaced the cmos battery.
Capnp72
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June 19th, 2022 06:00
@redxps630 Could you please tell me how to clear cmos settings by reset cmos jumper on motherboard?
Capnp72
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June 19th, 2022 07:00
@redxps630 I was able to get it to boot!! Thank you so much for your assistance.
redxps630
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June 19th, 2022 07:00
https://dl.dell.com/manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-gx620_user's%20guide_en-us.pdf#page12
When I had this error it was because POST was stuck in memory check stage. It may not be the cause of your pc error.