To help us assist you, please provide more information:
1) Decribe the issue you are having in detail. For example if its with a specific piece of equipment, include the make and model.
2) When was it last working normally? Since then, did you add/remove any software or hardware?
3) What steps have you already tried to resolve the problem? (rebooted, searched google, etc)
If you're getting the write delay bubble message, there's a chance your hard drive is starting to fail. Backup everything you need now, then run a few tests on it. HP should have software available on their support website to do that. Good luck.