Most effective system all around repairing ?

[Scorm]

Hi,
I basically have quite some experience repairing PCs from the most annoying problems (had faulty motherboard, memory and all sorts of Windows errors)
My last problem was my Windows 7 starting to boot and having BSODs after changing my Raid-0 Drivers (turns out I had broken MFT and backupMFT + bad sectors)
=> CHKDSK successfully repaired, but it took more than 4 days
But my real question is that from all the recovery/tweaking tools I will list, what is the most effective order in which I have to run them for the best recovery and result ?

(I think the 1st one should be bootrec.exe for PCs with damaged boot sectors)
- Virus/Malware/PUP scan
- Windows System Files Check (SFC)
- Windows Checkdisk with bad sectors repair (CHKDSK)
- Hard Drive defragmentation
- Registry repairing & defrag

I am guessing the last operations to do are the tweaking ones :
- RAM 'optimization'
- Startup items optimizing
- Drivers updating
- Unused software removal
? Windows updates ?
- Temporary files cleaning
- System registry tweaks
- System services tweaks

Please provide an explanation of the order you think works best and why ?
If not possible, a themed explanation or also list other tools I forgot to mention ?
Thanks, I need some really good insight here, the most you can mention

[Shane]

The first thing you should do is always check for bad memory, then check for bad sectors on the drive.

If you have bad memory this can mess up repairs and the system more and even mess up the bad sector check. So memory first.

Then the hard drive. If you try to do anything when there is bad sectors you can make things worse.

So the goal is to check those 2 first. At that point it doesn't really matter the steps you take from there. Every repair is different and you will have to use an order based on what is needed to be done. But memory and drive are always first

Any kind of defrag or optimization should be done last. And repairs are in the middle, after the memory and drive scan.

Shane

[Scorm]

Thanks, was helpful ^^