1 question do you have an up to date virus program as you didnt mention that?
plus all critical updates?
Recently I replaced the dial up modem on my late- 1998 Dell Deminsion XPS 450R with 128 MB on the mother board. The operating system is fully updated ME. I have up-to-date spam and virus protection (software) and the hardware firewall the modem supplies. The modem is an Actiontec DSL Gateway, GT701-WG, supplied by Quest.
It worked well the first evening. The next day, the icons for My Documents, My Computer, Trash, My Network Places, and Internet Explorer (6.0, the most recent update) failed to open, but MS Outlook worked. Settings, run, and search on the start menu did not work . Software (Word, Excel, etc.) worked. At this point the computer was running in safe mode.
I removed the DSL modem and could access everything. Of course, I tried to set up the modem again, but the results were the same. I eliminated software that I rarely use hoping to free memory. No luck. I ran SpyBot, no problems there.
Subsequently, I set the modem up on my DH's iMac (a couple of years old, 256 MB, OS 10.1.5.) It is working fine.
However, I need DSL on the PC. I don't want to spend $$ on an older computer that is going to be replaced in mid-June. Is this an ME problem or some other incompatibility? Can I make the iMac the "master" computer and add an USB wireless adapter to the PC with any assurance of re-establishing internet access on the PC? TIA