Boot stuck at A2 code

[Pocoyoz]

yesterday working well but today computer stuck at blank screen with A2 at start up.
unplugged all HDD except boot disk and boot up. proceed to add them back one by one. Seems to be working now.
Don't know what's wrong.


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[Koenig168]

The boot drive was not detected previously. Nothing to be concerned about unless the problem recurs.

 

[Pocoyoz]

happen again today. seems to occur after main switch off for a while.
need to disconnect one storage hdd, then can boot into bios.
this hdd doesn't have issues from smart readings
issue seems to start after creating a new partition in this hdd

 

[tsteo77]

happen again today. seems to occur after main switch off for a while.
need to disconnect one storage hdd, then can boot into bios.
this hdd doesn't have issues from smart readings
issue seems to start after creating a new partition in this hdd

A2 is an IDE Detect error code, maybe you want to do a clean install for os.

 

[Koenig168]

happen again today. seems to occur after main switch off for a while.
need to disconnect one storage hdd, then can boot into bios.
this hdd doesn't have issues from smart readings
issue seems to start after creating a new partition in this hdd

Try switching this HDD to a different SATA port and use a different SATA cable.