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Abdessamad Derraz bbbf551140 docs: first install for the full screen

The one-liner opens the full screen, and the page walked through the
line questions. It now shows the first screen, the keys and the
controller, Install, the copy from an old card and the result titles.
Troubleshooting no longer asks to move a nested bios folder by hand.

2026-10-23 18:31:33 +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 or model, or damaged.
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 without --check. It adds missing files and replaces wrong ones.

3. Check the folder and the names

Right folder? Get your files names it.
Exact name? scph5501.bin and SCPH-5501.BIN differ. On Linux, capitals count too.
A bios folder inside your BIOS folder? Run the installer: it copies those files up one level.
Unzipped by hand on Linux? The command adds names that differ by capitals.
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 reads its own files, listed on its page.
A BIOS setting? Some emulators can skip the BIOS. In PCSX ReARMed, set BIOS Selection to Auto.
A disc in several files? Open its .cue or .m3u, not a .bin.

If the command fails

Network error: try again later.
The clock reads ...: set the right date.
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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