Won`t burn DVD/CD. Trouble reading CD , not music DVD

Memory : 4 GB 667 Mhz DDR2 SDRAM

MATSHITA DVD-R UJ-875.

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1) New Music CD `s : throws it out! Old CD music throws it out! Same CD`s works ok with normal CD player.

2) Music DVD play well! Strange!

3) Software : Simply Burn version 428.

Find the DVD (for example Verbatim 8X DVD+ R DL). Says 7.96 free. ) Starts burning. It stops. Says finished.

4) Packard DVD-R 1-4x Speed, 4,7 GB. Throws it out.

4) Check with disk tool : says MATSHITA is ok.

5) Can I repair ?

6) Buy a new internal DVD driver ?

7) Difficut to change?

8) Will not take CD Laser Lens Cleaner (Dry System). It Used to do that some time ago.