Dash lights like Xmas display....

OK guys, need a wee pointer in the right direction with this one:
I'm away at work and the wife phones to say all the lights on the dash came on while driving home (a mile to go so she got home and switched engine off). After telling me, I asked her to go and try starting it but noted this
- Went out to car and no lights on
- Put in key and turned to 1st position, all lights came on and stayed on with the battery light being the brightest
- Tried to start engine but it cut out as soon as it turned over
- Switched off and removed key, all lights went out.
Anyone had the same problem and if so please let me know how to fix it - I was thinking Alternator problem

Anyone at all?????

Will do, when I get back from work as the missus won't have a clue

Right folks, checked all fuses including the ones under battery cover - all OK.
Code reader will not link - keeps coming up with Link Error!!! - but more stranger is the dash lights come on just by plugging in my reader!!!! Then they flash when I try to connect and it just comes up with the error.
When I turn on the ignition to 1st position, both fans come on after 5secs and stay on !!
I’m baffled but still thinking alternator??


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Thanks for all the replies, just a wee update and to say I’m still baffled:
I got back from holiday on Sat 27th - the car had bee sitting in driveway all this time - thought I might as well get to the bottom of the problem. Checked all fuses again - OK
Checked battery volts - 12.5
Checked the earth leads I could get to - OK
Noted that all the dials needles were in their normal position and not sitting at the 10 o’clock.
Switched on ignition and all lights came in as normal but then they started to go out as you would expect!!! Noted that both fans were not running (which they were before)
Tried to start her but didn’t even turn over - like the battery was dead.
Connected my code reader and it actually linked in this time, lots of codes with missing messages ( I took a note of them just in case) then proceeded to clear them, all successfully.
Got a jump start from wife’s car and managed to start the car on second go . Left running for 10mins then gingerly went for a drive - all ok (had heating/radio/rear de mister/lights on). Got home switched off and left a couple of mins and started her, again no probs. Been OK since, rechecked for error codes and none saved so at a loss as to what caused the problem in the first place!?!?!


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