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DavidBrian   
Fri Aug 28 2026, 06:31am
Joined: Dec 08 2025
Member No: #6038
Location: Bathurst NSW
Hi all,

I am wanting to have a go at adjusting ride height due to headlamp aim problems. I have been gifted a Lexia Diagbox by the bloke who sold me the vehicle and have only some vague instructions about using it.

The CD-ROM is labelled with the warning that the software will not run on Windows 10.
I have a fairly modern laptop which runs Windows 11 but no DVD or CD drive which I am told will not be suitable.

I am looking at buying a second hand computer on ebay...

Trouble is, what to buy? Any ideas?



tpr   
Fri Aug 28 2026, 12:10pm
Joined: Jun 11 2024
Member No: #5543
Location: Newbury
Mine did not come with a CD-ROM; the seller provided a ready-made VMWare image which is Windows 7 with the software installed. (The Windows is set to French but the DiagBox/Lexia software is set to English.) I could run that on any computer and OS with VMWare installed; I am actually running it on a MacBook.
MGmike   
Fri Aug 28 2026, 05:09pm

Joined: May 21 2017
Member No: #3151
Location: South Queensferry
VMware is the way to go on newer machines.

If you go to the Files section of "Citroën C5 Technical Group" Facebook page you'll find a Diag software download.
DavidBrian   
Tue Sep 01 2026, 04:35am
Joined: Dec 08 2025
Member No: #6038
Location: Bathurst NSW
MGmike wrote ...

VMware is the way to go on newer machines.

If you go to the Files section of "Citroën C5 Technical Group" Facebook page you'll find a Diag software download.



Whooooosh! The sound of your answers sailing straight over my head.... My electrical engineering wizard son is visiting this weekend...

Hopefully he can get this stuff set up for me.

Thanks for prompt if unintelligible responses!
cruiserphil   
Tue Sep 01 2026, 02:59pm


Joined: Jan 24 2010
Member No: #38
Location: Celbridge
Hello DavidBrian,

Did you try correcting the headlamp beam alignment?

Best regards,

Phil C.
DavidBrian   
Tue Sep 01 2026, 09:17pm
Joined: Dec 08 2025
Member No: #6038
Location: Bathurst NSW
No I haven't tried to adjust the headlamp aim because I really now think it is a product of the vehicle's stance rather than the headlights having actually been moved out of proper alignment.

I had another issue with the headlights also related to high (or as you blokes call it - main) beam where the wire which energises the shutter solenoid had come adrift in the LH headlamp.

People were also flashing me when I had no main beam in my LH headlight.

At that time I had a quite knowledgable auto-sparky remove the headlamp and do a key-hole surgery repair on it. That was quite a big job, involving removing the front bumper and a shed-load of trim in the engine bay. I also mentioned to him about headlamp aim but he said it 'looked okay to him' and there it stopped.

Main beam now works but is pointed way too high
 

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