dedicated server not booting well in normal mode

i need to check my linux dedicated server operating system , when i boot in normal mode its not pinging , but it works in rescue mode .. hosting company response :
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After verification, there was an intervention on your server on the 2022-11-17 at 09:49 CET, which all API task will be temporary disabled during an intervention.

Here is the report of the intervention:

Date 2022-11-17 09:49:15 CET (UTC +01:00), Diagnosis interface boot (rescue):
Here are the details of the operation performed:
The server has started (login is requested on the screen) but inaccessible
by the network (not pinging).
A restart on the OVH Kernel ('netboot') does not correct the
problem.

Actions:
Bios is up to date
IPMI reconfiguring and Remote Reboot OK
Check HDD OK
Check RAM OK
Check Cooling OK
Post Inter Check OK
Rebooting the server to rescue mode (Linux)

result:
Boot OK. Rescue mode accessible.

recommendations:
Software configuration to be corrected by customer
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** server has a lot of important data .