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Abdessamad Derraz 75a6356959 feat: say network failures in plain words

Offline, the run printed "[Errno -2] Name or service not known". The
common failures now read as words, the raw text kept under --verbose.
A refused certificate under a clock set before the installer was written
is reported as reason clock, with the date it reads, and no trusted
certificate list on the machine as reason no_ca, naming SSL_CERT_FILE.
Neither is retried, and verification is never turned off.

2026-10-23 14:14:08 +02:00

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level, order

level	order
start	40

When a game does not start

Most often a BIOS file is missing or wrong.

1. Check my BIOS folder

Run the command with --check. It changes nothing.

curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh | sh -s -- --check

Read the count line:

  1/109 present (0 verified, 1 wrong hash)

wrong hash: another region, model, or damaged. Batocera says UNTESTED.
Fewer present than the total: files are missing.
A line under a file, like still zipped, says what to fix.
0 wrong hash, all present: go to step 3.

2. Fix the files

Run it again without --check. It adds missing files and replaces wrong ones.

3. Check the folder and the names

Right folder? Get your files names the one your setup reads.
Exact name? scph5501.bin and SCPH-5501.BIN differ. On Linux, capitals count too.
A bios folder inside your BIOS folder? Move its files up one level.
Unzipped by hand on Linux? Run the command once. It adds names that differ by capitals only.
A ZIP in parts, like Pack.part1of2.zip? Unzip every part into one folder.

An arcade game does not start

It needs its BIOS set, like neogeo.zip, and a game set for the same emulator version.

Keep neogeo.zip zipped.
A game set for another MAME version often fails. Details: the version of each emulator.
Run the command once. It installs the BIOS sets your emulators read.

The BIOS is fine, the game still fails

Another emulator? Each one reads its own files. Its page lists them.
A BIOS setting? Some emulators can skip the BIOS. In PCSX ReARMed, set BIOS Selection to Auto.
A disc game in several files? Open its .cue or .m3u file, not a .bin.

If the command fails

Network error: try again once github.com opens.
The clock reads ...: the date is wrong. Let it sync over Wi-Fi, or set it, then run again.
Permission denied: do what the message says. It names what to run.
No setup found: name it and its folder:

curl -fsSL https://raw.githubusercontent.com/Abdess/retrobios/main/install.sh | sh -s -- --platform retroarch --dest ~/.config/retroarch/system

Other messages: When something goes wrong.

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