Instructables
Picture of How to Fix the PS2
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If you have ever owned a Play Station 2 (thick version) you may have had deal with the "Disk Read Error" problem. At first it is not so bad, just one or two of  the games don't work, but after a while almost none of the games work. You can pay money to send it in to Sony HQ and have them fix it or you can just do what they do by yourself for free.
 
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Step 2: Unscrew the Bottom

Picture of Unscrew the Bottom
Turn the  PS2 upside down and use the flat headed screw driver to remove the tabs, there are 10 (only six are shown), and unscrew the screws, there are 10 (only six are shown). Flip it  back over and get ready to take the top off.

Step 3: Unscrew Disk Cover

Lift up the lid and unscrew the six screws holding the disk cover on. Make sure that your  PS2 is unplugged to avoid risk of shock.



Step 4: Adjusting the Optical Lens

Remove the disk cover and plug in the PS2. Press the open button and then unplug it. Find the little white gear and put a mark on it where it touches the smaller gold gear (so you can move it back if needed in the future). Turn the white gear about half a centimeter and put the disk cover back on.
Ds HaKa3 years ago
there's no such thing as radiation poisoning is PS2's or any laser based device unless it runs off of a nuclear battery. As I highly doubt that your or anybody elses PS2 runs off of a nuclear battery, your warning is pointless. Laser radiation and nuclear radiation are tow completely different things.
bombmaker24 years ago
I must be lucky or something because I have one of the first PS2's ever made and it has not broken at all in the years I have had and heavily used it.(That is until I got a PS3 slim.)
Focker5 years ago
 I did this for my PS2 awhile back, it worked out for about a day, but it kept going back to the disc read error, eventually I had to leave the whole cover off so I could adjust that gear more frequently. It is not a permanent fix, but it certainly helps. And as a side note, it does take a lot of patients to find the "sweet spot" when adjusting the gear, move it in small increments.
CharlesB123 (author) 5 years ago
that little white wheel/gear changes the intensity of the optical lens. so as the lens gets weaker you can make it stronger.

it is not ment to completly get rid of the problem but just keep you ps2 alive for a much longer time.

for some reason this only happens to the thick version.
lemonie5 years ago
What does this do / how does it work?

L
Over time the laser gets moved out of position and this realigns it back to where it originally was.
That isn't part of the laser drive as far as I can see. What exactly does that mechanism do?

L